3,924 results match your criteria Pest management science[Journal]


When natural enemies go to sleep: diapause induction and termination in the pear psyllid predator Pilophorus gallicus (Hemiptera: Miridae).

Pest Manag Sci 2019 Apr 22. Epub 2019 Apr 22.

Murcia Institute of Agri-Food Research and Development, (Instituto Murciano de Investigación y Desarrollo Agrario y Alimentario - IMIDA), C/ Mayor s/n, 30150 La Alberca, Murcia, Spain.

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http://dx.doi.org/10.1002/ps.5451DOI Listing
April 2019
2 Reads

Assessing crop damage from dicamba on non-dicamba-tolerant soybean by hyperspectral imaging through machine learning.

Pest Manag Sci 2019 Apr 22. Epub 2019 Apr 22.

College of Life Information Science & Instrument Engineering, Hangzhou Dianzi University, Hangzhou, 310018, China.

Background: Dicamba effectively controls several broadleaf weeds. The off-target drift of dicamba spray or vapor drift can cause severe injury to susceptible crops including non-dicamba-tolerant crops. In a field experiment, advanced hyperspectral imaging (HSI) technique was used to study the spectral response of soybean plants to different dicamba rates, and developed appropriate spectral features and models for assessing the crop damage from dicamba. Read More

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https://onlinelibrary.wiley.com/doi/abs/10.1002/ps.5448
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http://dx.doi.org/10.1002/ps.5448DOI Listing
April 2019
3 Reads

One-Pot Synthesis, Structure and Structure-Activity Relationship of Novel Bioactive Diphenyl/Diethyl (3-Bromo-1-(3-Chloropyridin-2-yl)-1H-Pyrazol-5-yl)(Arylamino)Methylphosphonates.

Pest Manag Sci 2019 Apr 22. Epub 2019 Apr 22.

State Key Laboratory of Elemento-Organic Chemistry, Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), College of Chemistry, Nankai University, Tianjin, 300071, China.

Background: N-Pyridylpyrazole derivatives have received continuous attention in agrochemical research during the last decade, owing to their remarkable insecticidal or fungicidal potentials. To look for novel heterocyclic agrochemicals for increasing production of agriculture, a series of novel α-aminophosphonate derivatives containing N-pyridylpyrazole moiety were synthesized.

Results: The structures of the title compounds were confirmed via melting point, IR, H NMR, C NMR, P NMR, HRMS and elemental analysis. Read More

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https://onlinelibrary.wiley.com/doi/abs/10.1002/ps.5449
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http://dx.doi.org/10.1002/ps.5449DOI Listing
April 2019
1 Read

Do silicon and nitric oxide induce resistance to Mahanarva spectabilis (Hemiptera: Cercopidae) in forage grasses?

Pest Manag Sci 2019 Apr 22. Epub 2019 Apr 22.

Federal University of Lavras, Lavras, MG, Brazil.

Background: Great efforts have been made to identify grasses that are resistant to spittlebugs (Hemiptera: Cercopidae). However, the time required to develop and launch new cultivars is relatively long. The employment of resistance inducers is a current strategy that may be useful for the control of insect pests. Read More

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http://dx.doi.org/10.1002/ps.5450DOI Listing

Effects of simulated climate warming on the population dynamics of Sitobion avenae (Fabricius) and its parasitoids in wheat fields.

Pest Manag Sci 2019 Apr 16. Epub 2019 Apr 16.

State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, 100193, China.

Background: Climate warming has considerable effects on crop development and pest population dynamics. Crucially, the tri-trophic responses to warming of the plants, herbivores and their natural enemies are poorly understood. To delineate these interactive properties, a three-system approach and integrating life table methodology was used to examine responses of wheat plants, English grain aphid and parasitoids under open-field infrared heating to simulate warming. Read More

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http://dx.doi.org/10.1002/ps.5447DOI Listing

tau-Fluvalinate and other pesticide residues in honey bees before overwintering.

Pest Manag Sci 2019 Apr 14. Epub 2019 Apr 14.

Crop Research Institute, Prague 6-Ruzyne, Czechia.

Background: Pesticides have often been linked to honey bee colony losses, which occur mainly over winter. In this study, we investigated residues in nine colonies at a model agricultural research site in the period before wintering. Moreover, we applied the acaricide tau-fluvalinate to the colonies via strip formulation. Read More

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https://onlinelibrary.wiley.com/doi/abs/10.1002/ps.5446
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http://dx.doi.org/10.1002/ps.5446DOI Listing
April 2019
1 Read

Investigating Target-Site Resistance Mechanism to the PPO-Inhibiting Herbicide Fomesafen in Waterhemp and Interspecific Hybridization of Amaranthus Species Using Next Generation Sequencing.

Pest Manag Sci 2019 Apr 14. Epub 2019 Apr 14.

Department of Botany and Plant Pathology, Purdue University, West Lafayette, IN, 47907, USA.

Background: Waterhemp (Amaranthus tuberculatus (Moq.) J. D. Read More

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http://dx.doi.org/10.1002/ps.5445DOI Listing

Phytobiome metabolism: Beneficial soil microbes steer crop plants' secondary metabolism.

Pest Manag Sci 2019 Apr 11. Epub 2019 Apr 11.

Plant and Environmental Science Department, Weizmann Institute of Science.

Crops are negatively affected by abiotic and biotic stresses, however plant-microbe cooperation allows prompt buffering of these environmental changes. Microorganisms exhibit an extensive metabolic capability to assist plants in reducing these burdens. Interestingly, beneficial microbes may also trigger, at the host side, a sequence of events from signal perception to metabolic responses leading to stress tolerance or protection against biotic threats. Read More

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http://dx.doi.org/10.1002/ps.5440DOI Listing
April 2019
1 Read

Structure-Activity Relationship studies on naphthoquinone analogs. The search for new herbicides based on natural products.

Pest Manag Sci 2019 Apr 10. Epub 2019 Apr 10.

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.

Background: Allelopathy and bioassays constitute fundamental tools in the search for new herbicide templates. The work described here is a continuation of a previous study focused on the structure-activity relationships between transport phenomena and phytotoxic activity. Different modifications were made to the naphthoquinone backbone and two key factors were identified as being responsible for changes in activity: lipophilicity and the nature of the functional group. Read More

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http://dx.doi.org/10.1002/ps.5442DOI Listing

Testing the ability of Unmanned Aerial Systems and machine learning to map weeds at subfield scales: a test with the weed Alopecurus myosuroides (Huds).

Pest Manag Sci 2019 Apr 10. Epub 2019 Apr 10.

Department of Animal & Plant Science, University of Sheffield, Western Bank, Sheffield, S10 2TN.

Background: It is important to map agricultural weed populations in order to improve management and maintain future food security. Advances in data collection and statistical methodology have created new opportunities to aid in the mapping of weed populations. We set out to apply these new methodologies (Unmanned Aerial Systems - UAS) and statistical techniques (Convolutional Neural Networks - CNN) for the mapping of black-grass, a highly impactful weed in wheat fields in the UK. Read More

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http://dx.doi.org/10.1002/ps.5444DOI Listing

Non-target effects of herbicides on Tetranychus urticae and its predator, Phytoseiulus persimilis: implications for biological control.

Pest Manag Sci 2019 Apr 10. Epub 2019 Apr 10.

Clemson University, Coastal Research and Education Center, 2700 Savannah Highway, Charleston, SC, 29414.

Background: A key element of conservation biocontrol is identifying and limiting use of pesticides that have substantial non-target effects on natural enemies to prevent biocontrol disruption. The Phytoseiidae (predatory mites) are one of the most studied natural enemy groups in the field of pesticide non-target effects. While there is substantial research on the non-target effects of insecticides on arthropod natural enemies, research on herbicide impacts is limited. Read More

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https://onlinelibrary.wiley.com/doi/abs/10.1002/ps.5443
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http://dx.doi.org/10.1002/ps.5443DOI Listing
April 2019
5 Reads

A novel adhesive trunk trap net for trapping Eucryptorrhynchus brandti (Coleoptera: Curculionidae).

Pest Manag Sci 2019 Apr 10. Epub 2019 Apr 10.

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

Background: Eucryptorrhynchus brandti (Harold) is a destructive wood-boring pest of tree of heaven, Ailanthus altissima, in China. At present, the management of E. brandti relies exclusively on frequent applications of synthetic insecticides. Read More

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http://dx.doi.org/10.1002/ps.5441DOI Listing

Rhizobacterial treatments of tall fescue and bermudagrass increases tolerance to damage from white grubs.

Pest Manag Sci 2019 Apr 7. Epub 2019 Apr 7.

Department of Entomology and Plant Pathology, CASIC, Auburn, AL, 36849.

Background: Inoculation of hybrid bermudagrass with plant growth-promoting rhizobacteria (PGPR) can increase plant growth and influence relationships with above-ground herbivores like fall armyworms. However, few experiments have evaluated PGPR applications relative to root herbivory. Root-feeding white grubs cause severe damage to grasses, especially in tall fescue pastures, golf courses, and lawns. Read More

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http://dx.doi.org/10.1002/ps.5439DOI Listing

Provisioning predatory mites with entomopathogenic fungi or pollen improves biological control of a greenhouse psyllid pest.

Pest Manag Sci 2019 Apr 7. Epub 2019 Apr 7.

Institute of Fungal Resources, Guizhou University, Guiyang, China.

Background: Tomato/potato psyllid (TPP), Bactericera cockerelli (Šulc), is a recently established invasive pest of solanaceous crops in New Zealand. No alternative control strategies are available against TPP due to the development of insecticidal resistance. We investigated the combined use of the predatory mites Amblydromalus limonicus or Neoseiulus cucumeris with either the fungus Beauveria bassiana (suspensions and dry conidia) or with Typha orientalis pollen as a control of TPP in greenhouse bell pepper over 7 weeks. Read More

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http://dx.doi.org/10.1002/ps.5438DOI Listing
April 2019
1 Read

Trp-1999-Ser mutation of acetyl-CoA carboxylase and cytochrome P450s-involved metabolism confer resistance to fenoxaprop-P-ethyl in Polypogon fugax.

Pest Manag Sci 2019 Apr 5. Epub 2019 Apr 5.

College of Plant Protection, Shandong Agricultural University, Tai'an, China.

Background: Asia minor bluegrass (Polypogon fugax Nees ex Steud.) is an invasive grass species severely infesting wheat and canola fields in China. In May 2017, a suspected resistant P. Read More

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http://dx.doi.org/10.1002/ps.5435DOI Listing

Efficacy of reduced rates of chlorantraniliprole seed treatment on insect pests of irrigated drill-seeded rice.

Pest Manag Sci 2019 Apr 5. Epub 2019 Apr 5.

Louisiana State University Agricultural Center, Department of Entomology, 404 Life Sciences Building, Baton Rouge, LA, 70803, USA.

Background: For the past decade, insecticidal seed treatment has been the most widely used control tactic against insect pests of rice (Oryza sativa L.) in the United States. Seed treatments are used primarily to control the most economically important early-season pest of rice, the rice water weevil (Lissorhoptrus oryzophilus Kuschel). Read More

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http://dx.doi.org/10.1002/ps.5437DOI Listing

Cool storage of Queensland fruit fly pupae for improved management of mass production schedules.

Pest Manag Sci 2019 Apr 5. Epub 2019 Apr 5.

Department of Biological Sciences, Macquarie University, Sydney, NSW, 2109, Australia.

Background: Cool storage is a valuable means of manipulating insect development time. The Queensland fruit fly (Q-fly) is Australia's most economically significant pest of fruit crops. The present study investigates cool storage of Q-fly pupae for increasing production flexibility for Sterile Insect Technique (SIT) programs. Read More

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http://dx.doi.org/10.1002/ps.5436DOI Listing
April 2019
1 Read

Synthesis and Fungicidal Activity of (E)-Methyl 2-(2-((1-cyano-2-hydrocarbylidene)hydrazinyl)methyl)phenyl)-2-(methoxy-imino)acetates.

Pest Manag Sci 2019 Apr 2. Epub 2019 Apr 2.

College of Science, China Agricultural University, Beijing, 100193, China.

Background: Strobilurins fungicides are one of the most potent and successful agrochemicals. However, the continued use of traditional strobilurins leads to the emerging of fungicide-resistant biotypes. Thus, the supply of new strobilurins fungicides is highly valuable. Read More

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http://dx.doi.org/10.1002/ps.5432DOI Listing
April 2019
1 Read

Pesticidal natural products - status and future potential.

Authors:
Pamela G Marrone

Pest Manag Sci 2019 Apr 2. Epub 2019 Apr 2.

Marrone Bio Innovations, Inc. 1540 Drew Avenue, Davis, CA, 95618.

There is a long history of using natural products as the basis for creating new pesticides but there is still a relatively low percentage of naturally-derived pesticides relative to the number of pharmaceuticals derived from natural sources. Biopesticides as defined and regulated by the United States Environmental Protection Agency (EPA) have been around for seventy years, starting with Bacillus thuringiensis, but they are experiencing rapid growth as the products have gotten better and more science-based and there are more restrictions on synthetic chemical pesticides. As such, biopesticides are still a small percentage (approximately US$3-4 billion) of the US$61. Read More

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https://onlinelibrary.wiley.com/doi/abs/10.1002/ps.5433
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http://dx.doi.org/10.1002/ps.5433DOI Listing
April 2019
8 Reads

Laboratory and field evaluation of the aphidicidal activity of moso bamboo (Phyllostachys pubescens) leaf extract and identification of the active components.

Pest Manag Sci 2019 Apr 2. Epub 2019 Apr 2.

School of Plant Protection, Anhui Agricultural University, Hefei, 230036, China.

Background: Botanical pesticides increasingly play important roles in the control of agricultural pests. In this study, the aphidicidal effect of moso bamboo (Phyllostachys pubescens) extract against mustard aphid was confirmed, the main active compounds identified, and aphidicidal mechanism of the most active compound established.

Results: When the treatment concentration was 10. Read More

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http://dx.doi.org/10.1002/ps.5434DOI Listing
April 2019
1 Read

Evaluating insecticide coverage and determining its effect on the duration of control for navel orangeworm (Amyelois transitella Walker) (Lepidoptera: Pyralidae) in California almonds.

Pest Manag Sci 2019 Mar 29. Epub 2019 Mar 29.

USDA Agricultural Research Service, San Joaquin Valley Agricultural Sciences Center, Parlier, California, USA.

Background: Insecticide application is essential to control navel orangeworm (Amyelois transitella) in California almonds (Prunus dulcis), but coverage is challenging. Laboratory and field trials were conducted from 2014 to 2017 to quantify insecticide deposition and duration of control.

Results: In the laboratory for filter paper, photolysis reduced the contact toxicity of bifenthrin, and its half-life was 6. Read More

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http://dx.doi.org/10.1002/ps.5413DOI Listing

Water-soluble food dye of Allura Red as a tracer to determine the spray deposition of pesticide on target crops.

Pest Manag Sci 2019 Mar 30. Epub 2019 Mar 30.

Department of Pesticide sciences, Key Laboratory of Integrated Pest Management in Crops, Ministry of Agriculture, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, People's Republic of China.

Background: Quantification of spray deposition on a target crop is of vital importance to optimize pesticide application. In traditional determinations of spray deposition, a large amount of organic solvent is used to extract pesticides from the target crops. In this study, a water-soluble food dye of Allura Red was developed as a tracer to determine pesticide spray deposition on a rice target crop. Read More

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http://dx.doi.org/10.1002/ps.5430DOI Listing

Benzaldehyde: an alfalfa related compound for the spring attraction of the pest weevil Sitona humeralis (Coleoptera: Curculionidae).

Pest Manag Sci 2019 Mar 30. Epub 2019 Mar 30.

Plant Protection Institute, Centre for Agricultural Research, Hungarian Academy of Sciences, H-1022 Budapest, Herman O. street 15, Hungary.

Background: Sitona weevils (Coleoptera: Curculionidae) are a species complex of pests of many leguminous crops worldwide, causing damage to young plants as adults and to rootlets as larvae, resulting in significant yield losses. Timely detection of migrating adult weevils is needed to determine when deployment of control measures becomes necessary. With the aim of developing plant volatile-based lures for Sitona spp. Read More

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http://dx.doi.org/10.1002/ps.5431DOI Listing

Genome-wide analyses of single nucleotide polymorphisms reveal the consequences of traditional mass-rearing on genetic variation in Aphytis melinus (Hymenoptera: Aphelinidae): The danger of putting all eggs in one basket.

Pest Manag Sci 2019 Mar 29. Epub 2019 Mar 29.

Department of Entomology, University of California, Riverside, CA, 92521, USA.

Background: Aphytis melinus DeBach (Hymenoptera: Aphelinidae) is a highly effective biocontrol agent of the California red scale Aonidiella aurantii (Maskell). It is commercially reared and used for augmentative releases within integrated pest management programs. However, mass rearing of biocontrol agents can result in population bottlenecks and high levels of inbreeding and/or adaptation to the factitious rearing conditions. Read More

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http://dx.doi.org/10.1002/ps.5427DOI Listing

Measuring the unmeasurable? A method to quantify adoption of Integrated Pest Management practices in temperate arable farming systems.

Pest Manag Sci 2019 Mar 29. Epub 2019 Mar 29.

Crop Science Department, Oak Park Crops Research Centre, Carlow, Ireland.

Background: The impetus to adopt integrated pest management (IPM) practices has re-emerged in the last decade, mainly as a result of legislative and environmental drivers. However a significant deficit exists in the ability to practically monitor and measure IPM adoption across arable farms; therefore the aim of the project reported here was to establish a universal metric for quantifying adoption of IPM in temperate arable farming. This was achieved by: (a) identifying a set of key activities that contribute to IPM; (b) weighting these in terms of their importance to the achievement of IPM using panels of expert stakeholders in order to create the metric (scoring system from 0-100 indicating level of IPM practiced); (c) surveying arable farmers in the UK and Ireland about their pest management practices; and (d) measuring level of farmer adoption of IPM using the new metric. Read More

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http://dx.doi.org/10.1002/ps.5428DOI Listing

Differences in fungicide resistance profiles and multiple resistance to a quinone-outside inhibitor (QoI), two succinate dehydrogenase inhibitors (SDHI), and a demethylation inhibitor (DMI) for two Stagonosporopsis species causing gummy stem blight of cucurbits.

Pest Manag Sci 2019 Mar 28. Epub 2019 Mar 28.

Department of Plant Pathology, University of Georgia, Athens, GA, USA.

Background: Gummy stem blight (GSB) is a devastating disease of cucurbits that has been effectively managed with fungicide applications. However, the Stagonosporopsis spp. that cause GSB have rapidly evolved resistance to multiple classes of fungicides. Read More

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http://dx.doi.org/10.1002/ps.5426DOI Listing

Glutathione transferase plays a major role in flufenacet resistance of ryegrass (Lolium spp.) field populations.

Pest Manag Sci 2019 Mar 28. Epub 2019 Mar 28.

Bayer, CropScience Division, Industrial Park Höchst, Building H872, 65926 Frankfurt/Main, Germany.

Background: Herbicides inhibiting the synthesis of very long-chain fatty acids (HRAC group K , WSSA group 15), such as flufenacet, play an important role in weed management strategies, particularly when herbicide resistance to inhibitors with other modes of action, such as ALS or ACCase, has already evolved. So far, only a few cases of resistance towards inhibitors of the synthesis of very long-chain fatty acids have been described. In this study, we have characterized the level of flufenacet resistance in several Lolium spp. Read More

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http://dx.doi.org/10.1002/ps.5425DOI Listing

Modelling the potential distribution of arbovirus vector Aedes aegypti under current and future climate scenarios in Taiwan, China.

Pest Manag Sci 2019 Mar 27. Epub 2019 Mar 27.

Department of Veterinary Surgery, College of Veterinary Medicine, Northeast Agricultural University, Harbin, People's Republic of China.

Background: Aedes aegypti is one of the most important mosquito species and is a common disease-transmitting pest in tropical areas. Various infectious arbovirus diseases can be transmitted by Ae. aegypti. Read More

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http://dx.doi.org/10.1002/ps.5424DOI Listing

Diel rhythms of sexual behavior and pheromone responses in Phauda flammans Walker (Lepidoptera: Zygaenidae).

Pest Manag Sci 2019 Mar 25. Epub 2019 Mar 25.

Guangxi Key Laboratory of Agric-Environment and Agric-Products Safety, National Demonstration Center for Experimental Plant Science Education, College of Agriculture, Guangxi University, Nanning, China.

Background: Phauda flammans Walker is a notorious defoliating pest of Ficus spp. in Southeast Asian. Sex pheromones have been identified as an effective method of biological control. Read More

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http://dx.doi.org/10.1002/ps.5423DOI Listing
March 2019
1 Read

Spray coverage and pest management efficacy of a solid set canopy delivery system in high density apples.

Pest Manag Sci 2019 Mar 20. Epub 2019 Mar 20.

Department of Entomology, Michigan State University.

Background: Air blast sprayers are not optimized for spraying the short statured trees in modern apple orchards, resulting in off target drift and variable coverage. A solid set canopy delivery system (SSCDS) consisting of a microsprayer array distributed throughout the orchard was investigated as a replacement agrochemical application method in this study. SSCDS's have the potential to optimize coverage, rapidly spray applications, and remove the operator and tractor from the orchard. Read More

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http://dx.doi.org/10.1002/ps.5421DOI Listing
March 2019
1 Read

Humid-thermal index for a new management approach of Ommatissus lybicus.

Pest Manag Sci 2019 Mar 21. Epub 2019 Mar 21.

Directorate General of Agriculture and Livestock Research, Ministry of Agriculture and Fisheries, Muscat, Sultanate of Oman.

Background: The Dubas bug, Ommatissus lybicus, is a serious insect pest for the date palm Phoenix dactylifera in Oman and other date palm growing countries throughout the Middle East and North Africa. Climate is a key factor affecting the insect population dynamics, including O. lybicus. Read More

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http://dx.doi.org/10.1002/ps.5422DOI Listing
March 2019
2.694 Impact Factor

Genome-wide identification and analysis of genes associated with RNA interference in Bemisia tabaci.

Pest Manag Sci 2019 Mar 19. Epub 2019 Mar 19.

Department of Plant Protection, Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Beijing, China.

Background: As a method of RNA-mediated gene silencing, RNA interference (RNAi) is a useful reverse genetic tool with which to study gene function, and holds great promise for pest management. Bemisia tabaci is a cosmopolitan pest that causes extensive damage to crops. The mechanism underlying RNAi efficiency in B. Read More

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http://dx.doi.org/10.1002/ps.5415DOI Listing
March 2019
2.694 Impact Factor

Enhanced metabolism causes reduced flufenacet sensitivity in black-grass (Alopecurus myosuroides Huds.) field populations.

Pest Manag Sci 2019 Mar 19. Epub 2019 Mar 19.

Bayer AG, CropScience Division, Industrial Park Höchst, Building H872, 65926, Frankfurt/Main, Germany.

Background: Black-grass (Alopecurus myosuroides Huds.) is a frequent grass weed that commonly occurs in winter wheat in temperate Europe. Evolving resistance to post-emergence herbicides e. Read More

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http://dx.doi.org/10.1002/ps.5414DOI Listing

Spatial assessment of pesticide leaching risk to groundwater: sub-national decision making and model output aggregation.

Pest Manag Sci 2019 Mar 19. Epub 2019 Mar 19.

Enviresearch Ltd, 34 Grainger Park Rd, Newcastle upon Tyne NE4 8RY.

Background: This study compares standard regulatory methodology (fixed scenarios and models) to spatial modelling at a 1 km landscape resolution for the evaluation of predicted environmental concentrations of pesticides in groundwater. The use of spatial modelling in the decision-making processes is discussed and three options for the sub-national evaluation and restriction of substances based on spatial environmental fate modelling are examined. Wheat and sugar beet are tested with two modified FOCUS substances (A and D) in the PEARL and GeoPEARL models. Read More

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https://onlinelibrary.wiley.com/doi/abs/10.1002/ps.5419
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http://dx.doi.org/10.1002/ps.5419DOI Listing
March 2019
2 Reads

Modelling the potential effects of climate factors on Dubas bug (Ommatissus lybicus) presence/absence and its infestation rate: A case study from Oman.

Pest Manag Sci 2019 Mar 20. Epub 2019 Mar 20.

School of Science and Technology, University of New England, Armidale, New South Wales, Australia.

Background: Ommatissus lybicus de Bergevin (Hemiptera: Tropiduchidae) (Dubas Bug, DB) is an insect pest attacking date palms. It occurs in Arab countries including Oman. In this paper, the logistic, ordinary least square, and geographical weighted regressions were applied to model the absence/presence and density of DB against climate factors. Read More

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http://dx.doi.org/10.1002/ps.5420DOI Listing

Modeling of the Phytophthora capsici cellulose synthase 3 and its inhibitors activity assay.

Pest Manag Sci 2019 Mar 19. Epub 2019 Mar 19.

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

Background: Phytophthora capsici is a devastating pathogen for crop. Cellulose synthase 3 (CesA3) is a target for many potential fungicides such as valinamide derivatives. However, the 3-dimensional structure (3-DS) of CesA3 in Phytophthora capsici was still unknown. Read More

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http://dx.doi.org/10.1002/ps.5417DOI Listing

Synthesis, stability and insecticidal activity of 2-arylstilbenes.

Pest Manag Sci 2019 Mar 19. Epub 2019 Mar 19.

Corteva Agriscience™, Agricultural Division of DowDuPont, Indianapolis, IN, USA.

Background: A chemical scaffold-hopping approach from known 3-hydroxyl-3-methylglutaryl-CoA (HMG-CoA) reductase inhibitors identified (E/Z)-2-arylstilbenes as novel insecticidal hits against two lepidopteran species, Spodoptera exigua and Trichoplusia ni. A structure-activity relationship (SAR) study of the aryl substituents and the E/Z conformations was carried out in an effort to improve insecticidal potency.

Results: A series of (E/Z)-2-arylstilbenes was prepared and separated to evaluate their insecticidal potency against lepidopterous species in diet-feeding assays. Read More

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http://dx.doi.org/10.1002/ps.5416DOI Listing
March 2019
2 Reads

Eco-friendly rhamnolipid based fungicides for protection of soybeans from Phytophthora sojae.

Pest Manag Sci 2019 Mar 19. Epub 2019 Mar 19.

Department of Chemical and Biomolecular Engineering, The University of Akron, Akron, OH, USA.

Background: Excessive use of chemical fungicides over the years for plant pathogen control has caused unwanted damage to non-target organisms and resistance buildup in the target organisms. These harmful effects have prompted the industry to look for more sustainable and eco-friendly solutions. Rhamnolipid is a naturally occurring surfactant that is biodegradable, relatively innocuous to non-target species and can effectively lyse zoospores, the life form responsible for the spread of Phytophthora. Read More

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https://onlinelibrary.wiley.com/doi/abs/10.1002/ps.5418
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http://dx.doi.org/10.1002/ps.5418DOI Listing
March 2019
3 Reads

Inheritance and fitness costs of sulfoxaflor resistance in Nilaparvata lugens (Stål).

Pest Manag Sci 2019 Mar 18. Epub 2019 Mar 18.

Hubei Insect Resources Utilization and Sustainable Pest Management Key Laboratory, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, People's Republic of China.

Background: Sulfoxaflor has been considered as a new tool for Nilaparvata lugens control in the field. In this study, a laboratory-selected resistant strain and a susceptible strain were used to evaluate the inheritance and fitness costs of sulfoxaflor resistance in N. lugens. Read More

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http://dx.doi.org/10.1002/ps.5412DOI Listing

Plant terpenes that mediate below-ground interactions: prospects for bioengineering terpenoids for plant protection.

Pest Manag Sci 2019 Mar 18. Epub 2019 Mar 18.

Department of Metabolic Biology, John Innes Centre, Norwich Research Park, Norwich, UK.

Plants are sessile organisms that have evolved various mechanisms to adapt to complex and changing environments. One important feature of plant adaption is the production of specialised metabolites. Terpenes are the largest class of specialised metabolites, with over 80 000 structures reported so far, and they have important ecological functions in plant adaptation. Read More

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http://dx.doi.org/10.1002/ps.5410DOI Listing

Impact of acute oral exposure to thiamethoxam on the homing, flight, learning acquisition and short-term retention of Apis cerana.

Pest Manag Sci 2019 Mar 18. Epub 2019 Mar 18.

Key Laboratory of Pollinating Insect Biology, Ministry of Agriculture, Institute of Apicultural Research, Chinese Academy of Agricultural Sciences, Beijing, China.

Background: Thiamethoxam (TMX) represents the second generation of neonicotinoids that has been widely applied in agricultural activities, while how TMX alters the behavior of Apis cerana, an important native honey bee species in China, is not clear. We carried out three independent experiments to study the impact of acute oral treatment of 20 μL TMX at concentrations of 2.4 ppb (0. Read More

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http://dx.doi.org/10.1002/ps.5411DOI Listing
March 2019
2.694 Impact Factor

Characterization of permethrin resistance in a Musca domestica strain: resistance development, cross-resistance potential and realized heritability.

Pest Manag Sci 2019 Mar 14. Epub 2019 Mar 14.

Institute of Agricultural Sciences, University of the Punjab, Lahore, Pakistan.

Background: Permethrin (a pyrethroid) has been recommended for the management of a number of insect pests, including Musca domestica. Recently, resistance to permethrin has been reported from the Punjab province, Pakistan, which necessitates the need to manage the resistance problem. For this reason, a field strain of M. Read More

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https://onlinelibrary.wiley.com/doi/abs/10.1002/ps.5409
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http://dx.doi.org/10.1002/ps.5409DOI Listing
March 2019
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Root-associated microbes in sustainable agriculture: models, metabolites and mechanisms.

Pest Manag Sci 2019 Mar 13. Epub 2019 Mar 13.

USDA, Agricultural Research Service, Wheat Health, Genetics and Quality Research Unit, Department of Plant Pathology, Washington State University, Pullman, WA, USA.

Since the discovery of penicillin in 1928 and throughout the 'age of antibiotics' from the 1940s until the 1980s, the detection of novel antibiotics was restricted by lack of knowledge about the distribution and ecology of antibiotic producers in nature. The discovery that a phenazine compound produced by Pseudomonas bacteria could suppress soilborne plant pathogens, and its recovery from rhizosphere soil in 1990, provided the first incontrovertible evidence that natural metabolites could control plant pathogens in the environment and opened a new era in biological control by root-associated rhizobacteria. More recently, the advent of genomics, the availability of highly sensitive bioanalytical instrumentation, and the discovery of protective endophytes have accelerated progress toward overcoming many of the impediments that until now have limited the exploitation of beneficial plant-associated microbes to enhance agricultural sustainability. Read More

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http://doi.wiley.com/10.1002/ps.5406
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http://dx.doi.org/10.1002/ps.5406DOI Listing
March 2019
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Population genetic structure and demographic history of Spodoptera frugiperda (Lepidoptera: Noctuidae): implications for insect resistance management programs.

Pest Manag Sci 2019 Mar 13. Epub 2019 Mar 13.

Department of Entomology and Acarology, University of Sao Paulo, Luiz de Queiroz College of Agriculture (USP / ESALQ), Piracicaba, Brazil.

Background: Spodoptera frugiperda is a destructive pest that often imposes difficult management due to its high polyphagy and rapid insecticide resistance evolution. Knowledge of species diversification, population structure, and host preference can aid efforts to manage pest populations. Here, we investigated the patterns of hybridization, genetic structure, and gene flow in S. Read More

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http://dx.doi.org/10.1002/ps.5407DOI Listing
March 2019
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Transcriptome responses to the natural phytotoxin t-chalcone in Arabidopsis thaliana L.

Pest Manag Sci 2019 Mar 13. Epub 2019 Mar 13.

Natural Products Utilization Research Unit, USDA, ARS, Oxford, MS, USA.

Background: New modes of action are needed for herbicides. The flavonoid synthesis intermediate t-chalcone causes apoptosis-like symptoms in roots and bleaching of shoots of Arabidospsis, suggesting a unique mode of action as a phytotoxin.

Results: Using RNA-Seq, transcriptome changes were monitored in Arabidopsis seedlings during the first 24 h of exposure (at 1, 3, 6, 12 and 24 h) to 21 μm t-chalcone (I dose), examining effects on roots and shoots separately. Read More

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http://doi.wiley.com/10.1002/ps.5405
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http://dx.doi.org/10.1002/ps.5405DOI Listing
March 2019
5 Reads

Prediction of current and future potential distributions of the Eucalyptus pest Leptocybe invasa (Hymenoptera: Eulophidae) in China using the CLIMEX model.

Pest Manag Sci 2019 Mar 13. Epub 2019 Mar 13.

Key Laboratory of Beijing for the Control of Forest Pests, Beijing Forestry University, Beijing, P.R. China.

Background: The wasp Leptocybe invasa Fisher & LaSalle (Hymenoptera: Eulophidae), a Eucalyptus (Myrtaceae) pest native to Australia, has caused economic and ecologic losses in China. It is a serious pest in southern provinces. Because climate is a limiting factor in insect distribution, we used the model CLIMEX to predict the effect of climate change on potential current and future distributions of L. Read More

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http://dx.doi.org/10.1002/ps.5408DOI Listing

Improving abamectin bioavailability via nanosuspension constructed by wet milling technique.

Pest Manag Sci 2019 Mar 11. Epub 2019 Mar 11.

Institute of Environment and Sustainable Development in Agriculture, Chinese Academy of Agricultural Sciences, Beijing, China.

Background: Poorly water-soluble and photosensitive pesticide compounds are difficult to be formulated as environmentally friendly formulations with high efficacy. Conventional wettable powder, emulsifiable concentrate and emulsion in water have disadvantages of dust drift, overuse of organic solvent and low efficacy. Therefore, there is an urgent need to construct a novel formulation to improve the bioavailability of pesticides. Read More

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http://dx.doi.org/10.1002/ps.5386DOI Listing
March 2019
5 Reads

Effect of elevated carbon dioxide concentration on growth, productivity and glyphosate response of parthenium weed (Parthenium hysterophorus L.).

Pest Manag Sci 2019 Mar 10. Epub 2019 Mar 10.

School of Agriculture and Food Sciences, The University of Queensland, Gatton, Australia.

Background: The rise in atmospheric CO has huge impacts on the biology and management of invasive weed species such as Parthenium hysterophorus. This study evaluated the effect of ambient (400 ppm) and elevated (700 ppm) CO concentrations on P. hysterophorus growth, reproductive output and response to glyphosate applied at several doses including the recommended dose (800 g a. Read More

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http://dx.doi.org/10.1002/ps.5403DOI Listing
March 2019
1 Read

Endothall behavior in Myriophyllum spicatum and Hydrilla verticillata.

Pest Manag Sci 2019 Mar 11. Epub 2019 Mar 11.

UPI, Peyton, CO, USA.

Background: Endothall has been used to control submersed aquatic plants since 1960, providing broad-spectrum control of aquatic weeds. Although endothall is considered a contact herbicide, many field observations suggest that it might have systemic activity. The goals of this research were to determine endothall's (i) absorption characteristics, (ii) translocation from shoots to roots, and (iii) potential for desorption in Eurasian watermilfoil (EWM), monoecious and dioecious hydrilla. Read More

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http://doi.wiley.com/10.1002/ps.5404
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http://dx.doi.org/10.1002/ps.5404DOI Listing
March 2019
8 Reads

Development of a goosegrass (Eleusine indica) draft genome and application to weed science research.

Pest Manag Sci 2019 Mar 8. Epub 2019 Mar 8.

Department of Crop, Soil and Environmental Science, Auburn University, Auburn, AL, USA.

Background: Genomes are vital to the study of genomics, population genetics, and evolution of species. To date, only one genome (Echinochloa crus-galli) for C4 annual weedy grass species has been sequenced. Research was conducted to develop a draft genome of goosegrass (Eleusine indica; 2n = 2x = 18), one of the most common and troublesome weeds in the world. Read More

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http://doi.wiley.com/10.1002/ps.5389
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http://dx.doi.org/10.1002/ps.5389DOI Listing
March 2019
4 Reads