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Integrated Pest Management

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https://www.readbyqxmd.com/read/28634430/evaluation-of-four-bait-traps-for-sampling-wireworm-coleoptera-elateridae-infesting-cereal-crops-in-montana
#1
Anuar Morales-Rodriguez, Aracely Ospina, Kevin W Wanner
The basic principles of a reliable integrated pest management program include pest identification, monitoring, and distribution. Selecting the appropriate sampling protocol to monitor wireworm for research or applied entomology depends on the objective, including simply detecting the presence or absence of wireworm, surveying the composition of wireworm assemblages, or estimating spatial and temporal population densities. In this study, the efficacy of pitfall, stocking, pot, and canister traps baited with wheat and barley mixtures was evaluated for monitoring wireworm populations in four commercial cereal fields in Montana...
2017: International Journal of Insect Science
https://www.readbyqxmd.com/read/28620396/identification-of-a-potential-isr-determinant-from-pseudomonas-aeruginosa-pm12-against-fusarium-wilt-in-tomato
#2
Sabin Fatima, Tehmina Anjum
Biocontrol of plant diseases through induction of systemic resistance is an environmental friendly substitute to chemicals in crop protection measures. Different biotic and abiotic elicitors can trigger the plant for induced resistance. Present study was designed to explore the potential of Pseudomonas aeruginosa PM12 in inducing systemic resistance in tomato against Fusarium wilt. Initially the bioactive compound, responsible for ISR, was separated and identified from extracellular filtrate of P. aeruginosa PM12...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28619649/the-school-inner-city-asthma-intervention-study-design-rationale-methods-and-lessons-learned
#3
Wanda Phipatanakul, Petros Koutrakis, Brent A Coull, Choong-Min Kang, Jack M Wolfson, Stephen T Ferguson, Carter R Petty, Mihail Samnaliev, Amparito Cunningham, William J Sheehan, Jonathan M Gaffin, Sachin N Baxi, Peggy S Lai, Perdita Permaul, Liming Liang, Peter S Thorne, Gary Adamkiewicz, Kasey J Brennan, Andrea A Baccarelli, Diane R Gold
Asthma is the most common chronic disease of childhood in the United States, causes significant morbidity, particularly in the inner-city, and accounts for billions of dollars in health care utilization. Home environments are established sources of exposure that exacerbate symptoms and home-based interventions are effective. However, elementary school children spend 7 to 12h a day in school, primarily in one classroom. From the observational School Inner-City Asthma Study we learned that student classroom-specific exposures are associated with worsening asthma symptoms and decline in lung function...
June 12, 2017: Contemporary Clinical Trials
https://www.readbyqxmd.com/read/28602241/incorporating-biological-control-into-ipm-decision-making
#4
REVIEW
Kristopher L Giles, Brian P McCornack, Tom A Royer, Norman C Elliott
Of the many ways biological control can be incorporated into Integrated Pest Management (IPM) programs, natural enemy thresholds are arguably most easily adopted by stakeholders. Integration of natural enemy thresholds into IPM programs requires ecological and cost/benefit crop production data, threshold model validation, and an understanding of the socioeconomic factors that influence stakeholder decisions about biological control. These thresholds are more likely to be utilized by stakeholders when integrated into dynamic web-based IPM decision support systems that summarize pest management data and push site-specific biological control management recommendations to decision-makers...
April 2017: Current Opinion in Insect Science
https://www.readbyqxmd.com/read/28600808/lethal-effects-of-selected-novel-pesticides-on-immature-stages-of-trichogramma-pretiosum-hymenoptera-trichogrammatidae
#5
Muhammad Ashraf Khan, John R Ruberson
BACKGROUND: Trichogramma pretiosum Riley is an important egg parasitoid and biological control agent of caterpillar pests. We studied acute toxicity of 20 pesticides (14 insecticides/miticides, 3 fungicides and 3 herbicides) exposed to recommended field rates. Egg, larval, and pupal stages of the parasitoid in their hosts were dipped in formulated solutions of the pesticides and evaluated 10 d later for percentage of host eggs with holes, number of parasitoids emerged per egg with holes, and stage-specific mortality of immature as well as adult wasps within the host eggs...
June 10, 2017: Pest Management Science
https://www.readbyqxmd.com/read/28598383/the-biology-and-control-of-the-greater-wax-moth-galleria-mellonella
#6
REVIEW
Charles A Kwadha, George O Ong'amo, Paul N Ndegwa, Suresh K Raina, Ayuka T Fombong
The greater wax moth, Galleria mellonella Linnaeus, is a ubiquitous pest of the honeybee, Apis mellifera Linnaeus, and Apis cerana Fabricius. The greater wax moth larvae burrow into the edge of unsealed cells with pollen, bee brood, and honey through to the midrib of honeybee comb. Burrowing larvae leave behind masses of webs which causes galleriasis and later absconding of colonies. The damage caused by G. mellonella larvae is severe in tropical and sub-tropical regions, and is believed to be one of the contributing factors to the decline in both feral and wild honeybee populations...
June 9, 2017: Insects
https://www.readbyqxmd.com/read/28581254/tree-spacing-impacts-the-individual-incidence-of-moniliophthora-roreri-disease-in-cacao-agroforests
#7
Marie Ange Ngo Bieng, Laudine Alem, Chloé Curtet, Philippe Tixier
BACKGROUND: Using conventional pesticides in crop protection has raised serious environmental concerns and there is therefore a need for integrated pest management (IPM) methods. In this paper, we found that the spacing of trees can impact disease, which could result in a reduction in pesticide applications and may act as a potential IPM method. We studied Frosty Pod Rot (FPR) in 20 cacao agroforests in Costa Rica (Upala region). RESULTS: Using a generalized linear mixed model, we analyzed the impact of the neighborhood composition and distance from a studied cacao individual on its individual FPR incidence...
June 5, 2017: Pest Management Science
https://www.readbyqxmd.com/read/28577168/behavioural-effects-of-the-neonicotinoid-insecticide-thiamethoxam-on-the-predatory-insect-platynus-assimilis
#8
Ene Tooming, Enno Merivee, Anne Must, Marten-Ingmar Merivee, Ivar Sibul, Karin Nurme, Ingrid H Williams
Little information is available regarding sublethal effects of neonicotinoids on insect predators, many of which perform important roles in ecosystem functioning and biocontrol. In this study, dose-dependent sublethal effects of a dietary administered neonicotinoid insecticide thiamethoxam on two basic behaviours, locomotion and feeding, were quantified in the carabid Platynus assimilis (Coleoptera, Carabidae) using automated video-tracking and weighing of consumed food, respectively. Acute toxicity tests showed that, when orally administered, the LD50 of thiamethoxam for P...
June 2, 2017: Ecotoxicology
https://www.readbyqxmd.com/read/28572811/direct-and-pollinator-mediated-effects-of-herbivory-on-strawberry-and-the-potential-for-improved-resistance
#9
Anne Muola, Daniela Weber, Lisa E Malm, Paul A Egan, Robert Glinwood, Amy L Parachnowitsch, Johan A Stenberg
The global decline in pollinators has partly been blamed on pesticides, leading some to propose pesticide-free farming as an option to improve pollination. However, herbivores are likely to be more prevalent in pesticide-free environments, requiring knowledge of their effects on pollinators, and alternative crop protection strategies to mitigate any potential pollination reduction. Strawberry leaf beetles (SLB) Galerucella spp. are important strawberry pests in Northern Europe and Russia. Given that SLB attack both leaf and flower tissue, we hypothesized pollinators would discriminate against SLB-damaged strawberry plants (Fragaria vesca, cultivar 'Rügen'), leading to lower pollination success and yield...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28556521/the-need-to-implement-the-landscape-of-fear-within-rodent-pest-management-strategies
#10
Inge M Krijger, Steven R Belmain, Grant R Singleton, Peter W G Groot Koerkamp, Bastiaan G Meerburg
Current reactive pest management methods have serious drawbacks such as the heavy reliance on chemicals, emerging genetic rodenticide resistance, and high secondary exposure risks. Rodent control needs to be based on pest-species ecology and ethology to facilitate development of ecologically-based rodent management (EBRM). An important aspect of EBRM is a strong understanding of rodent pest species ecology, behaviour, and spatiotemporal factors. Gaining insight in the behaviour of pest-species is a key aspect of EBRM...
May 29, 2017: Pest Management Science
https://www.readbyqxmd.com/read/28555141/characterization-of-insect-resistance-loci-in-the-usda-soybean-germplasm-collection-using-genome-wide-association-studies
#11
Hao-Xun Chang, Glen L Hartman
Management of insects that cause economic damage to yields of soybean mainly rely on insecticide applications. Sources of resistance in soybean plant introductions (PIs) to different insect pests have been reported, and some of these sources, like for the soybean aphid (SBA), have been used to develop resistant soybean cultivars. With the availability of SoySNP50K and the statistical power of genome-wide association studies, we integrated phenotypic data for beet armyworm, Mexican bean beetle (MBB), potato leafhopper (PLH), SBA, soybean looper (SBL), velvetbean caterpillar (VBC), and chewing damage caused by unspecified insects for a comprehensive understanding of insect resistance in the United States Department of Agriculture Soybean Germplasm Collection...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28544773/feasible-sampling-plan-for-bemisia-tabaci-control-decision-making-in-watermelon-fields
#12
Carlos H O Lima, Renato A Sarmento, Poliana S Pereira, Tarcísio V S Galdino, Fábio A Santos, Joedna Silva, Marcelo C Picanço
BACKGROUND: The silverleaf whitefly Bemisia tabaci is one of the most important pests of watermelon fields worldwide. Conventional sampling plans are the starting point for the generation of decision-making systems of integrated pest management programs. The aim of this study was to determine a conventional sampling plan for B. tabaci in watermelon fields. RESULTS: The optimal leaf for B. tabaci adult sampling was the 6(th) most apical leaf. Direct counting was the best pest sampling technique...
May 23, 2017: Pest Management Science
https://www.readbyqxmd.com/read/28541540/reproductive-status-of-drosophila-suzukii-diptera-drosophilidae-females-influences-attraction-to-fermentation-based-baits-and-ripe-fruits
#13
Katharine A Swoboda-Bhattarai, Douglas R McPhie, Hannah J Burrack
Drosophila suzukii (Matsumura) is an invasive species that is a devastating pest of soft-skinned fruit crops. Although much effort has been directed toward developing traps and attractants to monitor for D. suzukii, current monitoring tools do not reliably predict fruit infestation. The objective of this study was to determine if D. suzukii females at different developmental stages are differentially attracted to monitoring traps with fermentation-based baits and ripe fruits. Females were collected on the surface of traps, within traps, and on ripe fruits during three experiments at field locations in North Carolina, USA, and were dissected to determine their reproductive status...
May 24, 2017: Journal of Economic Entomology
https://www.readbyqxmd.com/read/28536793/detection-of-insecticide-resistance-in-bradysia-odoriphaga-yang-et-zhang-diptera-sciaridae-in-china
#14
Chengyu Chen, Xueyan Shi, Nicolas Desneux, Peng Han, Xiwu Gao
Bradysia odoriphaga Yang et Zhang is a destructive insect pest of Chinese chives. To understand the current status of insecticide resistance of B. odoriphaga in China, the sensitivity variation of eight field populations to six commonly used insecticides, including chlorpyrifos, phoxim, imidacloprid, thiamethoxam, clothianidin and beta-cypermethrin were evaluated. The results showed that almost all the tested B. odoriphaga populations had developed moderate to high resistance to chlorpyrifos and phoxim. There were different resistance levels found in the eight field populations among the three neonicotinoids, imidacloprid, thiamethoxam and clothianidin...
May 23, 2017: Ecotoxicology
https://www.readbyqxmd.com/read/28523823/cost-benefit-analysis-of-controlling-the-spotted-wing-drosophila-drosophila-suzukii-matsumura-spread-and-infestation-of-soft-fruits-in-trentino-northern-italy
#15
Emanuele Del Fava, Claudio Ioriatti, Alessia Melegaro
BACKGROUND: We assessed the economic impact of the invasive pest Drosophila suzukii (Matsumura) on the soft fruit industry (strawberries, raspberries, blackberries, and blueberries) in Trentino, Northern Italy, using cost-benefit analysis. A conventional integrated pest management (IPM) based on insecticide, mass trapping and cultural measures is compared to an upgraded IPM strategy based on exclusion netting. Costs and benefits associated with the change between the two are estimated in order to evaluate the most profitable strategy from the societal point of view...
May 19, 2017: Pest Management Science
https://www.readbyqxmd.com/read/28521191/assessing-human-health-risks-from-pesticide-use-in-conventional-and-innovative-cropping-systems-with-the-browse-model
#16
Sabine-Karen Lammoglia, Marc C Kennedy, Enrique Barriuso, Lionel Alletto, Eric Justes, Nicolas Munier-Jolain, Laure Mamy
BACKGROUND: Reducing the risks and impacts of pesticide use on human health and on the environment is one of the objectives of the European Commission Directive 2009/128/EC in the quest for a sustainable use of pesticides. This Directive, developed through European national plans such as Ecophyto plan in France, promotes the introduction of innovative cropping systems relying, for example, on integrated pest management. Risk assessment for human health of the overall pesticide use in these innovative systems is required before the introduction of those systems to avoid that an innovation becomes a new problem...
May 15, 2017: Environment International
https://www.readbyqxmd.com/read/28520891/sublethal-effects-of-thiamethoxam-on-the-demographic-parameters-of-myzus-persicae-hemiptera-aphididae
#17
Pan Wang, Li-Lin Zhou, Fan Yang, Mang Li, Xiao-Ming Liu, Yong Wang, Chao-Liang Lei, Sheng-Yun Si
The green peach aphid, Myzus persicae Sulzer (Hemiptera: Aphididae), is an important sap-sucking pest of many crops, including Chinese cabbage, Brassinca oleracea L. The neonicotinoid insecticide thiamethoxam has been used as an effective insecticide to control M. persicae in cabbage fields. In this study, we assessed the effects of sublethal concentrations of thiamethoxam on demographic parameters of M. persicae. In leaf-dip bioassays, thiamethoxam showed a relatively high toxicity against M. persicae with an LC50 of 6...
May 17, 2017: Journal of Economic Entomology
https://www.readbyqxmd.com/read/28493463/main-predators-of-insect-pests-screening-and-evaluating-through-comprehensive-indexes
#18
Tingbang Yang, Jie Liu, Longyu Yuan, Yang Zhang, Yu Peng, Daiqin Li, Jian Chen
BACKGROUND: Predatory natural enemies play key functional roles in integrated pest management (IPM). However, the screening and evaluating of the main predators of insect pests has seldom been reported in the field. Here, we employed comprehensive indexes for evaluating the predation of a common pest (Ectropis obliqua) by nine common spider species in Chinese tea plantations. RESULTS: We established the relative dominance of spider species and their phenological overlap with the pest species, and analyzed DNA from these nine spider species using targeted RQ-PCR to identify residual DNA of E...
May 11, 2017: Pest Management Science
https://www.readbyqxmd.com/read/28490755/thigmotaxis-mediates-trail-odour-disruption
#19
Lloyd D Stringer, Joshua E Corn, Hyun Sik Roh, Alfredo Jiménez-Pérez, Lee-Anne M Manning, Aimee R Harper, David M Suckling
Disruption of foraging using oversupply of ant trail pheromones is a novel pest management application under investigation. It presents an opportunity to investigate the interaction of sensory modalities by removal of one of the modes. Superficially similar to sex pheromone-based mating disruption in moths, ant trail pheromone disruption lacks an equivalent mechanistic understanding of how the ants respond to an oversupply of their trail pheromone. Since significant compromise of one sensory modality essential for trail following (chemotaxis) has been demonstrated, we hypothesised that other sensory modalities such as thigmotaxis could act to reduce the impact on olfactory disruption of foraging behaviour...
May 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28469450/effect-of-integrated-pest-management-training-on-ugandan-small-scale-farmers
#20
REVIEW
Anna Sabine Clausen, Erik Jørs, Aggrey Atuhaire, Jane Frølund Thomsen
Small-scale farmers in developing countries use hazardous pesticides taking few or no safety measures. Farmer field schools (FFSs) teaching integrated pest management (IPM) have been shown to reduce pesticide use among trained farmers. This cross-sectional study compares pesticide-related knowledge, attitude, practice (KAP), potential exposure, and self-reported poisoning symptoms among 35 FFS farmers, 44 neighboring farmers, and 35 control farmers after an IPM intervention in Uganda (2011-2012). The FFS farmers were encouraged to teach their neighboring farmers...
2017: Environmental Health Insights
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