3,856 results match your criteria Pest management science[Journal]


The evolution of multiple-insecticide resistance in UK populations of tomato leafminer, Tuta absoluta.

Pest Manag Sci 2019 Feb 20. Epub 2019 Feb 20.

College of Life and Environmental Sciences, Biosciences, University of Exeter, Penryn Campus, Penryn, Cornwall, UK.

Background: The tomato leafminer, Tuta absoluta, is an economically important pest of tomatoes in Europe, Africa, Asia and South America. In the UK this species is controlled using an integrated pest management (IPM) programme which incorporates the insecticides spinosad and chlorantraniliprole. In response to UK grower concerns of loss of efficacy of these compounds at certain sites, insecticide bioassays were performed on five populations collected from four commercial glasshouses and potential mechanisms of resistance investigated. Read More

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http://dx.doi.org/10.1002/ps.5381DOI Listing
February 2019

Assessment of potential effects and detection efficacy of fluorescent marking system on a medically important hard tick, Haemaphysalis longicornis (Acari: Ixodidae).

Pest Manag Sci 2019 Feb 20. Epub 2019 Feb 20.

Department of Life Sciences, Gachon University, Gyeonggi-do, South Korea.

Background: Although Haemaphysalis longicornis (Acari: Ixodidae) is an important disease vector, its small size restricts tracking methods applicable. Recently, fluorescent marking method as a conventional detection method for small arthropods has been improved by combining it with ultraviolet-laser. Therefore, we examined the application potential of this new fluorescent marking system (FMS) for tracking H. Read More

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http://dx.doi.org/10.1002/ps.5383DOI Listing
February 2019

Chemical inhibition of Kir channels reduces salivary secretions and phloem feeding of the cotton aphid, Aphis gossypii (Glover).

Pest Manag Sci 2019 Feb 19. Epub 2019 Feb 19.

Louisiana State University AgCenter, Department of Entomology, Baton Rouge, LA 70803.

Background: The unique feeding biology of aphids suggests novel insecticide targets are likely to exist outside of the nervous system. Therefore, we aimed to directly test the hypothesis that pharmacological inhibition of inward rectifier potassium (Kir) channels would result in salivary gland failure and reduced sap ingestion by the cotton aphid, Aphis gossypii.

Results: The Kir inhibitors VU041 and VU590 reduced the length of the salivary sheath in a concentration dependent manner, indicating that the secretory activity of the salivary gland is reduced by Kir inhibition. Read More

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http://dx.doi.org/10.1002/ps.5382DOI Listing
February 2019

Selectivity of novel and traditional insecticides used for management of whiteflies on the parasitoid Encarsia formosa.

Pest Manag Sci 2019 Feb 19. Epub 2019 Feb 19.

Engineering Research Center of Natural Enemies, Institute of Biological Control, Jilin Agricultural University, Changchun, China.

Background: Encarsia formosa Gahan is the most important parasitoid exploited for the control of whitefly pests of vegetable crops. However, the non-target effects of recently developed insecticides for controlling whiteflies toward this biocontrol agent is little documented. Here we evaluated the susceptibility of E. Read More

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http://dx.doi.org/10.1002/ps.5380DOI Listing
February 2019

Assessing the impact of climate change on the worldwide distribution of Dalbulus maidis (DeLong) using MaxEnt.

Pest Manag Sci 2019 Feb 18. Epub 2019 Feb 18.

Departamento de Fitotecnia, Universidade Federal de Viçosa, Viçosa, MG, 36570-900, Brazil.

Background: For the first time, a model was applied at the global scale in order to investigate the effects of climate change on Dalbulus maidis. D. maidis is the main vector of three plant pathogens of maize crops and has been reported as one of the most important maize pests in Latin America. Read More

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http://dx.doi.org/10.1002/ps.5379DOI Listing
February 2019

Phenotypic and molecular characterisation of novel Vicia faba germplasm with tolerance to acetohydroxyacid-synthase-inhibiting herbicides (AHAS) developed through mutagenesis techniques.

Pest Manag Sci 2019 Feb 18. Epub 2019 Feb 18.

South Australian Research and Development Institute, GPO Box 397, Adelaide, SA, 5001, Australia.

Background: Faba bean (Vicia faba L.) is an important crop in Australian farming systems, however, weed control is a major constraint due to a lack of in-crop broadleaf herbicide options. To address this, we developed acetohydroxyacid synthase (AHAS) inhibitor herbicide tolerance in faba bean using mutagenesis techniques. Read More

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http://dx.doi.org/10.1002/ps.5378DOI Listing
February 2019

Herbicidal efficacy and ecological safety of an allelochemical-based benzothiazine derivative.

Pest Manag Sci 2019 Feb 17. Epub 2019 Feb 17.

State Key Laboratory of Elemento-Organic Chemistry, Nankai University, Tianjin 300071, China.

Background: Development of allelochemical-based herbicides may be of particular value for weed management in cropping systems. However, the action of potential allelochemical-based herbicides on crop selectivity and ecotoxicology needs to be clarified before they can be introduced the cropping systems.

Results: An allelochemical-based 3-(2-chloro-4-ethanesulfonyl)-benzoyl-hydroxy-2- methyl-2H-1,2-benzothiazine-1,1-dioxide, originated from the rice allelochemical tricin, was applied into the paddy system. Read More

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http://dx.doi.org/10.1002/ps.5377DOI Listing
February 2019

Selection and characterization of the inheritance of resistance of Spodoptera frugiperda (Lepidoptera: Noctuidae) to chlorantraniliprole and cross-resistance to other diamide insecticides.

Pest Manag Sci 2019 Feb 14. Epub 2019 Feb 14.

Departament of Entomology and Acarology, Luiz de Queiroz College of Agriculture (ESALQ), University of São Paulo (USP), Av. Pádua Dias 11, Piracicaba, São Paulo, 13418-900, Brazil.

Background: Understanding the genetic basis of insect resistance to insecticides can help to implement Insecticide Resistance Management (IRM) strategies. In this study, we selected a resistant strain of Spodoptera frugiperda (J. E. Read More

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http://dx.doi.org/10.1002/ps.5376DOI Listing
February 2019
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Genome-wide gene expression profiling reveals that cuticle alterations and P450 detoxification are associated with deltamethrin and DDT resistance in Anopheles arabiensis populations from Ethiopia.

Pest Manag Sci 2019 Feb 11. Epub 2019 Feb 11.

Department of Plants and Crops, Faculty of Bioscience Engineering, Ghent University, Coupure links 653, 9000 Ghent,, Belgium.

Background: Vector control is the main intervention in malaria control and elimination strategies. However, the development of insecticide resistance is one of the major challenges for controlling malaria vectors. Anopheles arabiensis populations in Ethiopia showed resistance against both DDT and the pyrethroid deltamethrin. Read More

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http://dx.doi.org/10.1002/ps.5374DOI Listing
February 2019

Semisynthesis of novel N-acyl/sulfonyl derivatives of 5 (3,5)-(di)halogenocytisines/cytisine and their pesticidal activities against Mythimna separata Walker, Tetranychus cinnabarinus Boisduval, and Sitobion avenae Fabricius.

Pest Manag Sci 2019 Feb 11. Epub 2019 Feb 11.

Research Institute of Pesticidal Design & Synthesis, College of Plant Protection, Northwest A&F University, Yangling 712100, Shaanxi Province, People's, Republic of China.

Background: To discover novel natural-product-based pesticidal agents for crop protection, a series of N-acyl/sulfonyl derivatives of 5 (3,5)-(di)halogenocytisines/cytisine were prepared by structural modifications of cytisine. Their pesticidal activities were evaluated against three typically crop-threatening agricultural pests, Mythimna separata Walker, Tetranychus cinnabarinus Boisduval, and Sitobion avenae Fabricius.

Results: Compound 5f exhibited the promising pesticidal activities against three tested pests. Read More

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http://dx.doi.org/10.1002/ps.5375DOI Listing
February 2019
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The mechanism of trace acetamiprid-caused reproductive disorders in silkworm, Bombyx mori.

Pest Manag Sci 2019 Feb 10. Epub 2019 Feb 10.

School of Basic Medicine and Biological Sciences, Soochow University, Suzhou, Jiangsu 215123, P.R. China.

Background: Neonicotinoid insecticides are widely used in the prevention and control of pests in agriculture and forestry, but they can also affect the development of nontarget economic insects. In order to determine the effects of trace acetamiprid on the development of reproductive system of silkworm, we studied the gonad development and endogenous hormone metabolism in silkworms exposed to trace acetamiprid.

Result: The silkworm showed mild poisoning symptoms after being exposed to trace acetamiprid (0. Read More

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http://dx.doi.org/10.1002/ps.5373DOI Listing
February 2019
2 Reads

Assessment of neuropeptide binding sites and the impact of biostable kinin and CAP2b analogue treatment on aphid (Myzus persicae and Macrosiphum rosae) stress tolerance.

Pest Manag Sci 2019 Feb 7. Epub 2019 Feb 7.

Institute of Molecular, Cell and Systems Biology, College of Medical, Veterinary and Life Sciences, University of Glasgow, Davidson Building, Glasgow G12 8QQ, UK.

Background: Neuropeptides are regulators of critical life processes in insects and, due to their high specificity, represent potential targets in the development of greener insecticidal agents. Fundamental to this drive is understanding neuroendocrine pathways that control key physiological processes in pest insects and the screening of potential analogues. The current study investigated neuropeptide binding sites of kinin and CAPA (CAPA-1) in the aphids Myzus persicae and Macrosiphum rosae and the effect of biostable analogues on aphid fitness under conditions of desiccation, starvation and thermal (cold) stress. Read More

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http://dx.doi.org/10.1002/ps.5372DOI Listing
February 2019
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Molecular features and expression profiles of octopamine receptors in the brown planthopper, Nilaparvata lugens.

Pest Manag Sci 2019 Feb 7. Epub 2019 Feb 7.

College of Plant Protection, Nanjing Agricultural University, Nanjing, 210095, China.

Background: Octopamine, the invertebrate counterpart of adrenaline and noradrenaline, regulates and modulates many physiological and behavioral processes in insects. It mediates its effects by binding to specific octopamine receptors, which belonging to the superfamily of G-protein coupled receptors (GPCRs). The expression profiles of octopamine receptor genes have been well documented in different developmental stages and multiple tissue types in several different insect orders. Read More

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http://dx.doi.org/10.1002/ps.5371DOI Listing
February 2019

Phenotypic and genotypic pyrethroid resistance of Aedes albopictus, with focus on the 2017 chikungunya outbreak in Italy.

Pest Manag Sci 2019 Feb 6. Epub 2019 Feb 6.

Dipartimento di Sanità Pubblica e Malattie Infettive, Università Sapienza, Roma, Italy.

Background: The highly invasive mosquito species, Aedes albopictus, has become a major health concern in temperate areas due to its role as vector of exotic arboviruses. Pyrethroid insecticides represent the main tools for limiting the circulation of such mosquito-borne viruses. The present work aimed at extending previous reports on phenotypic pyrethroid-resistance in European Ae. Read More

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http://dx.doi.org/10.1002/ps.5369DOI Listing
February 2019

Responses of two ladybird beetle species (Coleoptera: Coccinellidae) to dietary RNAi.

Pest Manag Sci 2019 Feb 6. Epub 2019 Feb 6.

Research Division Agroecology and Environment, Agroscope, Zurich, Switzerland.

Background: One concern with the adoption of RNAi-based genetically engineered (GE) crops is the potential harm to valued non-target organisms. Species of Coccinellidae (Coleoptera) are important natural enemies and might be exposed to the insecticidal dsRNA produced by the plant. To assess their susceptibility to dietary RNAi, we fed Adalia bipunctata and Coccinella septempunctata with a dsRNA designed to target the vATPase A of the western corn rootworm, Diabrotica virgifera virgifera (Dvv dsRNA). Read More

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http://dx.doi.org/10.1002/ps.5370DOI Listing
February 2019

Water depth-dependent notonectid predatory impacts across larval mosquito ontogeny.

Pest Manag Sci 2019 Feb 6. Epub 2019 Feb 6.

Department of Ecology and Environmental Science, Assam University, Silchar, 788011, India.

Background: Context-dependencies can modulate the strength of predatory interactions and often remain unquantified. In particular, differences in water depth within aquatic systems could influence predator efficiencies towards prey which utilise 3D-space through the water column. Differences in prey size could drive prey size-refuge effects, influencing the efficacy of natural enemies towards vector species. Read More

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http://dx.doi.org/10.1002/ps.5368DOI Listing
February 2019
1 Read

Maximum vs. Minimum Harmonization: What to expect from the institutional and legal battles in the EU on Gene editing technologies?

Pest Manag Sci 2019 Feb 3. Epub 2019 Feb 3.

Wageningen University, Department of Social Sciences, Hollandseweg 1, 6706, KN Wageningen, The Netherlands.

New Plant Breeding Technologies (NPBTs), including CRISPR gene editing, are widely used and drive the development of new crops. However, these new technologies are disputed, creating uncertainty in how applications of these technologies for agricultural and food uses will be regulated. While in North America regulatory systems respond with a differentiated approach to NPBTs, the Court of Justice of the European Union has in effect made most if not all NPBT subject to the same regulatory regime as GMOs. Read More

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http://dx.doi.org/10.1002/ps.5367DOI Listing
February 2019
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Previous diet affects the amount but not the type of bait consumed by an invasive ant.

Pest Manag Sci 2019 Jan 31. Epub 2019 Jan 31.

Department of Integrative Biology, Oklahoma State University, Stillwater, OK.

Background: Recent research on multiple invasive ant species has revealed the importance of carbohydrates for achieving high activity levels and outcompeting native ants. However, comparatively little is known about the role of diet and macronutrient preferences for uptake of insecticidal baits used to control invasive ants. We tested whether diet affected yellow crazy ant (Anoplolepis gracilipes Fr Smith) survival, behavior, and whether bait preference would be complementary to past diet. Read More

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http://dx.doi.org/10.1002/ps.5365DOI Listing
January 2019
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Density threshold-based acaricide application for the two-spotted spider mite Tetranychus urticae on cassava: from laboratory to the field.

Pest Manag Sci 2019 Jan 31. Epub 2019 Jan 31.

Environment and Plant Protection Institute, Chinese Academy of Tropical Agriculture Sciences; Laboratory of Integrated Pest Management on Tropical Crops, Ministry of Agriculture, China.

Backgroud: The red spider mite Tetranychus urticae is known as worldwide pest in cassava production which can caused serious economic losses. Because no threshold levels are established for T.urticae in cassava cropping, many growers in China are applying excessive chemical applications per cassava cropping period. Read More

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http://dx.doi.org/10.1002/ps.5366DOI Listing
January 2019
2.694 Impact Factor

Control of root-knot nematodes using Waltheria indica producing 4-quinolone alkaloids.

Pest Manag Sci 2019 Jan 30. Epub 2019 Jan 30.

Department of Agricultural Chemistry, Institute of Environmentally Friendly Agriculture, College of Agriculture and Life Sciences, Chonnam National University, 77 Yongbong-ro, Gwangju, 61186, Republic of Korea.

Background: Waltheria indica exhibited strong nematocidal activity against Meloidogyne incognita, a causal agent of root-knot nematode disease. This study aimed to characterize the nematocidal metabolites and to evaluate the efficacy of the formulated extract of W. indica in the biological control of M. Read More

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http://doi.wiley.com/10.1002/ps.5363
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http://dx.doi.org/10.1002/ps.5363DOI Listing
January 2019
4 Reads

Selection for imidacloprid resistance and mode of inheritance in the brown planthopper, Nilaparvata lugens.

Pest Manag Sci 2019 Jan 30. Epub 2019 Jan 30.

Agro-Environment Research Division, Kyushu Okinawa Agricultural Research Center, NARO, Koshi, Kumamoto, JAPAN.

Background: Strong resistance to imidacloprid in Nilaparvata lugens (Stål) has developed in Southeastern and East Asia. Although the mode of inheritance for resistance is very useful information for pest control, this information is unknown in N. lugens. Read More

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http://dx.doi.org/10.1002/ps.5364DOI Listing
January 2019
2 Reads

Ozone treatments activate defence responses against Meloidogyne incognita and Tomato spotted wilt virus in tomato.

Pest Manag Sci 2019 Jan 30. Epub 2019 Jan 30.

Institute for Sustainable Plant Protection, CNR, via G. Amendola 122/d, 70126, Bari, Italy.

Background: Ozonated water (O wat) soil drench and/or foliar spray applications, were evaluated for their potential to control the root-knot nematode Meloidogyne incognita (RKN) and the airborne pathogen Tomato spotted wilt virus (TSWV) in tomato. We investigated how O wat modulates the SA/JA/ET signalling network in the host, locally and systemically, to induce resistance to nematode and virus.

Results: The application as soil drench was effective in reducing the number of galls and egg masses, but did not reduce the incidence and severity of TSWV infection. Read More

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http://dx.doi.org/10.1002/ps.5362DOI Listing
January 2019

Tolerance to nymphs and adults of Mahanarva spectabilis (Hemiptera: Cercopidae) by forage plants in fertilized soils.

Pest Manag Sci 2019 Jan 30. Epub 2019 Jan 30.

Brazilian Agricultural Research Corporation, Embrapa Dairy Cattle, Laboratory of Entomology, Juiz de Fora, MG, Brazil.

Background: Several factors may degrade pastures, in particular, inadequate nutrient application and spittlebug attacks. Mahanarva spectabilis (Distant, 1909) (Hemiptera: Cercopidae), one of the species that occur in Brazil, is a limiting pest in forage production. The current investigation analyzes the influence of fertilization with the macronutrients nitrogen, phosphorus and potassium (NPK) on the survival of nymphs of M. Read More

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http://dx.doi.org/10.1002/ps.5361DOI Listing
January 2019

Novel trunk trap net designs for the control of Eucryptorrhynchus scrobiculatus (Coleoptera: Curculionidae).

Pest Manag Sci 2019 Jan 25. Epub 2019 Jan 25.

Beijing Forestry University, No. 35, Tsinghua East Rd., Haidian District, Beijing, 100083, P.R. China.

Background: Eucryptorrhynchus scrobiculatus is a major pest of tree of heaven, Ailanthus altissima, in China. Damage caused by E. scrobiculatus has increased as beetle populations have expanded. Read More

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http://dx.doi.org/10.1002/ps.5356DOI Listing
January 2019
1 Read

Recent advances in allelopathy for weed control. From knowledge to applications.

Pest Manag Sci 2019 Jan 25. Epub 2019 Jan 25.

Allelopathy Group, Department of Organic Chemistry, School of Sciences, Institute of Biomolecules (INBIO), University of Cadiz, C/República Saharaui, n 7, 11510-Puerto Real, Cádiz, Spain.

Allelopathy is the biological phenomenon of chemical interaction between living organisms in the ecosystem, and it must be taken into account to address pest and weed problems in future sustainable agriculture. Allelopathy is a multidisciplinary science, but in some cases, chemistry aspects are overlooked, despite the need for a deep knowledge of chemical structural characteristics of allelochemicals to facilitate the design of new herbicides. This review is focused on the most important advances in allelopathy, with particular attention paid to the design and development of phenolic compounds, terpenoids and alkaloids as herbicides. Read More

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http://dx.doi.org/10.1002/ps.5355DOI Listing
January 2019
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Problems of Implementing Compulsory Integrated Pest Management.

Authors:
Ewa Matyjaszczyk

Pest Manag Sci 2019 Jan 25. Epub 2019 Jan 25.

Plant Protection Institute - National Research Institute, ul. Władysława Węgorka 20, 60-318, Poznań, Poland.

Compulsory integrated pest management poses a number of challenges and debatable issues. Some of them are discussed in reference to the European Union requirements set in Annex III of Directive 128/2009. Requirements on the use of plant protection products bring problems with dose reduction in the light of resistance prevention strategy, the lack of threshold levels, the necessity of chemical treatments and the limited availability of effective products of biological origin. Read More

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http://dx.doi.org/10.1002/ps.5357DOI Listing
January 2019
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Effects of different odours on the reproductive success of Mus musculus as an alternative method of control.

Pest Manag Sci 2019 Jan 24. Epub 2019 Jan 24.

Departamento de Ecología, Genética y Evolución, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires and Instituto de Ecología, Genética y Evolución de Buenos Aires (IEGEBA), UBA-CONICET, Cdad. Autónoma de Buenos Aires, Argentina.

Background: The house mouse (Mus musculus) is a cosmopolitan rodent that has become adapted to living in close association with humans and is considered a serious pest because it poses a risk to human health and causes economic losses due to food and crop consumption and damage to building structures. Its control in animal production farms is achieved mainly through the application of anticoagulant rodenticides, but the effect of these compounds is limited because of the presence of resistant individuals and aversive behaviours. A potential alternative method could use chemical signals to reduce rodent reproductive success. Read More

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http://dx.doi.org/10.1002/ps.5359DOI Listing
January 2019
1 Read

Spatiotemporal Dynamics of Fungicide Resistance in the Wheat Pathogen Zymoseptoria Tritici in France.

Pest Manag Sci 2019 Jan 24. Epub 2019 Jan 24.

UMR1290 BIOGER, INRA, AgroParisTech, Université Paris-Saclay, F-78850 Thiverval-Grignon, France.

Background: Management of pesticide resistance is a major issue in modern agricultural systems, particularly in the context of the broader challenge of reducing pesticide use. However, such management must be adapted to resistance dynamics, which remains challenging to predict due to its dependence on many biological traits of pests, interactions with the environment and pesticide use. We retrospectively studied the evolution of reported resistances to four modes of action (benzimidazoles, quinone outside inhibitors, sterol demethylation inhibitors and succinate dehydrogenase inhibitors); in French populations of the wheat pathogen Zymoseptoria tritici. Read More

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http://dx.doi.org/10.1002/ps.5360DOI Listing
January 2019
1 Read

Exposure to cyantraniliprole causes mortality and disturbs behavioral and respiratory responses in the coffee berry borer (Hypothenemus hampei).

Pest Manag Sci 2019 Jan 24. Epub 2019 Jan 24.

Instituto de Ciências Agrárias, Universidade Federal de Viçosa, 38810-000, Rio Paranaíba, Minas Gerais, Brasil.

Background: Hypothenemus hampei Ferrari (Coleoptera: Curculionidae) is the main pest of coffee because of the damage they cause to the coffee berries. Effective management methods and prevention of insecticide resistance are urgently needed against this insect. Thus, bioassays were conducted to assess the effects of the diamide insecticide cyantraniliprole on H. Read More

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http://dx.doi.org/10.1002/ps.5358DOI Listing
January 2019
1 Read
2.694 Impact Factor

Toward a new method to classify the airblast sprayers according to their potential drift reduction: comparison of direct and new indirect measurement methods.

Pest Manag Sci 2019 Jan 24. Epub 2019 Jan 24.

Department of Agricultural, Forest and Food Sciences (DiSAFA), University of Turin (UNITO), Largo Paolo Braccini, 2, 10095 Grugliasco (TO), Italy.

Background: Drift is one of the most important issues to consider for realising sustainable pesticide sprays. This study proposes an alternative indirect methodology for comparative measurements of Drift Reduction Potential (DRP) generated by airblast sprayers, aimed at overcoming practical inconveniences and drawbacks of standardized ISO22866:2005. A test bench in the absence of target crop and wind was employed to measure Drift Potential Values (DPV). Read More

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http://dx.doi.org/10.1002/ps.5354DOI Listing
January 2019
1 Read

Evaluation of Spray Pattern Uniformity using Three Unique Analyses as Impacted by Nozzle, Pressure, and Pulse-Width Modulation Duty Cycle.

Pest Manag Sci 2019 Jan 22. Epub 2019 Jan 22.

Department of Agronomy & Horticulture, University of Nebraska-Lincoln, North Platte, NE, 69101, USA.

Background: The increasing popularity of pulse-width modulation (PWM) sprayers requires that application interaction effects on spray pattern uniformity be completely understood to maintain a uniform overlap of spray thereby reducing crop injury potential and maximizing coverage on target pests. The objective of this research was to determine the impacts of nozzle type (venturi vs. non-venturi), boom pressure, and PWM duty cycle on spray pattern uniformity. Read More

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http://dx.doi.org/10.1002/ps.5352DOI Listing
January 2019
1 Read

Impact of fungal and plant metabolites application on early development stages of pea powdery mildew.

Pest Manag Sci 2019 Jan 22. Epub 2019 Jan 22.

Dipartimento di Scienze Chimiche, Università di Napoli Federico II, Complesso Universitario Monte Sant'Angelo, Via Cintia 4, 80126 Napoli, Italy.

Background: Pea powdery mildew incited by Erysiphe pisi represents a major constraint for pea crop worldwide. Crop protection is largely based on chemical control, although recently a renewed interest in the discovery of natural products as alternative to synthetic fungicides application has emerged. Thus, twelve bioactive plant and fungal metabolites belonging to different class of natural compounds were evaluated, together with a commercial fungicide, at different concentrations on detached pea leaves for their potential to inhibit spore germination and subsequent stages of fungal growth. Read More

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http://dx.doi.org/10.1002/ps.5351DOI Listing
January 2019
1 Read
2.694 Impact Factor

Safe nanotechnologies for increasing the effectiveness of environmentally friendly natural agrochemicals.

Pest Manag Sci 2019 Jan 22. Epub 2019 Jan 22.

Genomic and Biotechnology, Centre Alameda del Obispo, Andalusian Institute of Agricultural and Fisheries Research and Training (IFAPA), Cordoba, Spain.

Natural compounds and living organisms continue to play a limited role in crop protection, and few of them have reached the market, despite their attractiveness and the efforts made in research. Very often these products have negative characteristics compared to synthetic compounds, e.g. Read More

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http://dx.doi.org/10.1002/ps.5348DOI Listing
January 2019
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Natural Products: A Strategic Lead Generation Approach in Crop Protection Discovery.

Pest Manag Sci 2019 Jan 22. Epub 2019 Jan 22.

Corteva Agriscience™, Agriculture Division of DowDuPont™, Crop Protection Discovery, Dow AgroSciences, 9330 Zionsville Road, Indianapolis, IN 46268.

With the anticipated population growth in the coming decades, changing regulatory environment and continued emergence of resistance to commercial pesticides, there is a constant need to discover new lead chemistries with novel modes of action. We have established a portfolio of approaches to accelerate Lead generation. One of these approaches capitalizes on the rich bioactivity of natural products (NP), highlighted by the numerous examples of NP-based crop protection compounds. Read More

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http://dx.doi.org/10.1002/ps.5350DOI Listing
January 2019
1 Read

Detection of Broadleaf Weeds Growing in Turfgrass with Convolutional Neural Networks.

Pest Manag Sci 2019 Jan 22. Epub 2019 Jan 22.

Gulf Coast Research and Education Center, University of Florida, 14625 Co Rd 672, Wimauma, FL, USA.

Background: Weed infestations reduce turfgrass aesthetics and uniformity. Postemergence (POST) herbicides are applied uniformly on turfgrass, hence areas without weeds are also sprayed. Deep learning, particularly the architecture of convolutional neural network (CNN), is a state-of-art approach to recognition of images and objects. Read More

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http://dx.doi.org/10.1002/ps.5349DOI Listing
January 2019
2 Reads

Laboratory and field survival of Spodoptera frugiperda (Lepidoptera: Noctuidae) on Bt and non-Bt maize and its susceptibility to insecticides.

Pest Manag Sci 2019 Jan 21. Epub 2019 Jan 21.

Department of Plant Protection, Federal University of Santa Maria, Santa Maria, Rio Grande do Sul, Brazil.

Background: Field-evolved resistance of fall armyworm (FAW), Spodoptera frugiperda (Smith), has been reported to Bt maize technologies in Brazil. The control failures of FAW by Bt maize increased the use of insecticides for their control. However, no information is available on the interaction between resistant FAW and their response to insecticides. Read More

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http://dx.doi.org/10.1002/ps.5347DOI Listing
January 2019
1 Read

Vertical and temporal distribution of spotted-wing drosophila (Drosophila suzukii) and pollinators within cultivated raspberries.

Pest Manag Sci 2019 Jan 20. Epub 2019 Jan 20.

University of Wisconsin-Madison, Dept. of Entomology, 1630 Linden Dr. Madison, WI, 53706.

Background: Drosophila suzukii (Diptera: Drosophilidae) is the most prominent arthropod pest of caneberries. Current management practices rely on chemical control, which has raised concerns over the sustainability of this approach. We currently understand little about D. Read More

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http://doi.wiley.com/10.1002/ps.5343
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http://dx.doi.org/10.1002/ps.5343DOI Listing
January 2019
10 Reads

The importance of timing of heat events for predicting the dynamics of aphid pest populations.

Pest Manag Sci 2019 Jan 20. Epub 2019 Jan 20.

Climate Change Biology Research Group, State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, China.

Background: Heat waves are increasing in frequency and there is growing interest in their impact on pest organisms. Previous work indicates that effects depend on timing of the stress event whose impact needs to be characterized across the full set of developmental stages and exposure periods of an organism. Here we undertake such a detailed assessment using heat stress (20-35 °C diurnal cycle) across the nymph and adult stages of the English grain aphid, Sitobion avenae (Fabricius). Read More

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http://doi.wiley.com/10.1002/ps.5344
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http://dx.doi.org/10.1002/ps.5344DOI Listing
January 2019
8 Reads

Trap-treat-release: horizontal transfer of fipronil in field colonies of black carpenter ants, Camponotus pennsylvanicus.

Pest Manag Sci 2019 Jan 20. Epub 2019 Jan 20.

Department of Entomology, Purdue University, West Lafayette, IN 47907, USA.

Background: Horizontal insecticide transfer is thought to play an important role in controlling a wide range of urban pests including ants, bed bugs, cockroaches, and termites. Despite decades of research and numerous laboratory studies, horizontal transfer has never been demonstrated in the field. As a result, the importance of horizontal transfer (and the resulting secondary kill) for practical pest management remains unknown. Read More

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http://dx.doi.org/10.1002/ps.5345DOI Listing
January 2019
1 Read

Transovarial effects of insect growth regulators on Stephanitis pyrioides (Hemiptera: Tingidae).

Authors:
Shimat V Joseph

Pest Manag Sci 2019 Jan 17. Epub 2019 Jan 17.

Department of Entomology, University of Georgia, 1109 Experiment Street, Griffin, GA 30223.

Background: Azalea lace bug, Stephanitis pyrioides (Scott) (Hemiptera: Tingidae) is a serious insect pest of azaleas (Rhododendron L. spp.) in the U. Read More

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http://dx.doi.org/10.1002/ps.5342DOI Listing
January 2019
1 Read

Robotic weeders can improve weed control options for specialty crops.

Pest Manag Sci 2019 Jan 17. Epub 2019 Jan 17.

Clemson University, Department of Plant and Environmental Sciences, Coastal Research and Education Center, Charleston, South Carolina, USA.

Specialty crop herbicides are not a priority for the agrochemical industry, and many of these crops do not have access to effective herbicides. High-value fruit and vegetable crops represent small markets and high potential liability in case of herbicide-induced crop damage. Meanwhile, conventional and organic specialty crop producers are experiencing labor shortages and higher manual weeding costs. Read More

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http://dx.doi.org/10.1002/ps.5337DOI Listing
January 2019
2 Reads

Isaria fumosorosea based zero-valent iron nanoparticles affects the growth and survival of sweetpotato whitefly, Bemisia tabaci (Gennadius).

Pest Manag Sci 2019 Jan 17. Epub 2019 Jan 17.

Key Laboratory of Bio-Pesticide Innovation and Application, Engineering Research Centre of Biological Control, South China Agricultural University, Guangzhou, 510642, P.R. China.

Background: Nanoparticles can be used for effective pest management as a combined formulation of metal and some other material that has proven efficacy against a given pest. This study reports the synthesis, characterization and efficacy of Isaria fumosorosea based zero valent iron (ZVI) nanoparticles against sweetpotato whitefly Bemisia tabaci (Gennadius).

Results: The I. Read More

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http://doi.wiley.com/10.1002/ps.5340
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http://dx.doi.org/10.1002/ps.5340DOI Listing
January 2019
5 Reads

Development of a rapid assessment method for detecting insecticide resistance in spotted wing Drosophila (Drosophila suzukii Matsumura).

Pest Manag Sci 2019 Jan 17. Epub 2019 Jan 17.

Department of Entomology, Michigan State University, East Lansing, Michigan, 48824, USA.

Background: Spotted wing Drosophila is an invasive pest of fruit crops in most production regions globally, and insecticides are commonly used for its control. The biology of this pest combined with repeated pesticide exposure increases the risk of resistance to insecticides. We tested malathion, methomyl, spinetoram, spinosad, and zeta-cypermethrin against multiple colonies from each state using a contact bioassay method to determine diagnostic doses for assessment of insecticide susceptibility in this species. Read More

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http://doi.wiley.com/10.1002/ps.5341
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http://dx.doi.org/10.1002/ps.5341DOI Listing
January 2019
3 Reads

Association of zein nanoparticles with botanical compounds for effective pest control systems.

Pest Manag Sci 2019 Jan 17. Epub 2019 Jan 17.

São Paulo State University (UNESP), Institute of Science and Technology, Avenida Três de Março 511, Alto da Boa Vista, Sorocaba, São Paulo, 18087-180, Brazil.

Background: Botanical compounds from plant species are known to have pesticidal activity and have been used in integrated pest management programs. The varied spectrum of pesticidal action of these compounds can also avoid selection of resistance in pest populations. In this study, mixtures of the botanical compounds geraniol, eugenol and cinnamaldehyde were encapsulated in zein nanoparticles to improve their stability and efficiency. Read More

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http://dx.doi.org/10.1002/ps.5338DOI Listing
January 2019
3 Reads

Downregulation of carboxylesterase contributes to cyflumetofen resistance in Tetranychus cinnabarinus (Boisduval).

Pest Manag Sci 2019 Jan 17. Epub 2019 Jan 17.

Key Laboratory of Entomology and Pest Control Engineering, College of Plant Protection, Southwest University, Chongqing, 400716, China.

Background: Increased expression or point mutations of carboxyl/cholinesterases (CCEs) have been involved in many cases of insecticides and acaricides resistance. However, it is only rarely documented that down-regulation of CCE genes are associated with resistance, although many insecticides and acaricides need hydrolytic activation in vivo. Previously, expression analysis of a laboratory selected cyflumetofen resistant strain of Tetranychus cinnabarinus indicated that resistance was associated with increased expression of a CCE gene of TcCCE04, but also the down-regulation of two CCE genes, TcCCE12 and TcCCE23. Read More

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http://doi.wiley.com/10.1002/ps.5339
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http://dx.doi.org/10.1002/ps.5339DOI Listing
January 2019
4 Reads

Phytotoxic and nematicide evaluation of Croton ehrenbergii (Euphorbiaceae).

Pest Manag Sci 2019 Jan 13. Epub 2019 Jan 13.

Centro de Investigaciones Químicas, IICBA, Universidad Autónoma del Estado de Morelos, Avenida Universidad 1001, Col. Chamilpa, 62209, Cuernavaca, Morelos, México.

Backgraound: Within its natural habitat, C. ehrenbergii exhibits an innate defense mechanism that is not seen in other plants; it grows unharmed amidst predators and nature, whilst other species perish. In light of this plant´s capacity, C. Read More

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http://doi.wiley.com/10.1002/ps.5336
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http://dx.doi.org/10.1002/ps.5336DOI Listing
January 2019
4 Reads
2.694 Impact Factor

Biocontrol of rats in an urban environment in Southeast Asia using Sarcocystis singaporensis.

Pest Manag Sci 2019 Jan 13. Epub 2019 Jan 13.

Plant Protection Research and Development Office, Department of Agriculture, Bangkok, Thailand.

Background: Upon request of the local administration a control campaign targeting commensal rats (Rattus rattus, R. exulans) was conducted in 30 sub-districts (villages) of the World Heritage town Luang Prabang, Northern Laos, using rat bait containing lethal quantities of the parasitic protist Sarcocystis singaporensis. The associated investigations aimed at assessing short-term control efficacy, willingness of residents to co-operate (community approach), and temporal and spatial changes of the urban rat population in response to treatment. Read More

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http://dx.doi.org/10.1002/ps.5335DOI Listing
January 2019
1 Read

Synthesis and Biological Activity of Analogs of the Antifungal Antibiotic UK-2A. II. Impact of modifications to the macrocycle benzyl position.

Pest Manag Sci 2019 Jan 12. Epub 2019 Jan 12.

Dow AgroSciences LLC, Crop Protection Discovery Biology, 9330 Zionsville Road, Indianapolis, Indiana,, United States 46268.

Background: UK-2A is an antifungal antibiotic produced by Streptomyces sp. 517-02. Derivatization of its picolinamide-OH to form the isobutyryl-acetal led to the discovery of fenpicoxamid (InatreqTM active) currently under development as a fungicide by Dow AgroSciences LLC. Read More

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http://dx.doi.org/10.1002/ps.5329DOI Listing
January 2019
2 Reads

Phenotypic performance of nine genotypes of Cry1A.105/Cry2Ab2-dual gene resistant fall armyworm on non-Bt and MON 89034 maize.

Pest Manag Sci 2019 Jan 10. Epub 2019 Jan 10.

Department of Entomology, Louisiana State University Agricultural Center, Baton Rouge, LA, 70803, USA.

Background: The fall armyworm, Spodoptera frugiperda (J.E. Smith), is the first target pest that has developed resistance to Bt crops across several countries. Read More

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http://dx.doi.org/10.1002/ps.5331DOI Listing
January 2019
1 Read

Do farmers misuse pesticides in crop production in China? Evidence from a farm household survey.

Pest Manag Sci 2019 Jan 10. Epub 2019 Jan 10.

Department of Agricultural and Applied Economics, University of Wisconsin-Madison, Madison, WI, USA.

Background: In China, pesticide overuse and underuse have been studied. However, little empirical evidence has been provided for pesticide misuse.

Results: Using data from a farm household survey in 2016, we quantitatively analyzed Chinese farmers' pesticide misuse in the production of rice, apple, tea, and greenhouse vegetables. Read More

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http://dx.doi.org/10.1002/ps.5332DOI Listing
January 2019
1 Read
2.694 Impact Factor