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Integrated Pest Management

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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
#1
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
#2
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
#3
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
#4
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
#5
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
#6
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
https://www.readbyqxmd.com/read/28469449/obstacles-and-opportunities-for-diffusion-of-integrated-pest-management-strategies-reported-by-bolivian-small-scale-farmers-and-agronomists
#7
REVIEW
Erik Jørs, Antonio Aramayo, Omar Huici, Flemming Konradsen, Gabriel Gulis
Integrated pest management (IPM) with an increased used of ecological farming methods and less and safer use of pesticides offers solutions to reduce risks of developing pest resistance, human poisoning, and environmental pollution. Despite being promoted by Food and Agriculture Organization and others, it has not spread readily in low-income countries. This article presents the opinions of Bolivian farmers and agronomists on perceived obstacles and opportunities for a diffusion of IPM. Focus group discussions revealed an increased workload without certainty of higher yields or better prices for products grown with IPM compared with traditional agriculture being hindrances for a spread of IPM...
2017: Environmental Health Insights
https://www.readbyqxmd.com/read/28466580/toxicity-and-residual-effects-of-insecticides-on-ascia-monuste-and-predator-solenopsis-saevissima
#8
Tamíris A de Araújo, Marcelo C Picanço, Dalton de O Ferreira, Júlia N D Campos, Lucas de P Arcanjo, Gerson A Silva
BACKGROUND: Investigating the impact of pesticides on nontarget organisms is essential for sustainable integrated pest management programs. Thus, we assessed the toxicity of ten insecticides to the brassica caterpillar Ascia monuste and its ant predator Solenopsis saevissima as examined the effect that the insecticide synergists had on the toxicity to the predator. We also assessed the residual period of control and impact of the insecticides during the brassica growing cycle. RESULTS: All insecticides except flubendiamide exhibited mortality above the threshold required by the Brazilian legislation (80%)...
May 2, 2017: Pest Management Science
https://www.readbyqxmd.com/read/28459234/assessing-the-value-and-pest-management-window-provided-by-neonicotinoid-seed-treatments-for-management-of-soybean-aphid-aphis-glycines-matsumura-in-the-upper-midwestern-united-states
#9
Christian H Krupke, Adam M Alford, Eileen M Cullen, Erin W Hodgson, Janet J Knodel, Brian McCornack, Bruce D Potter, Madeline I Spigler, Kelley Tilmon, Kelton Welch
BACKGROUND: A two year, multi-state study was conducted to assess the benefits of using soybean seed treated with the neonicotinoid thiamethoxam to manage soybean aphid in the upper Midwestern US and compare this approach with an integrated pest management (IPM) approach that included monitoring soybean aphids and treating with foliar-applied insecticide only when the economic threshold was reached. Concentrations of thiamethoxam in soybean foliage were also quantified throughout the growing season to estimate the pest management window afforded by insecticidal seed treatments RESULTS: Both the IPM treatment and thiamethoxam-treated seed resulted in significant reductions in cumulative aphid days when soybean aphid populations reached threshold levels...
April 29, 2017: Pest Management Science
https://www.readbyqxmd.com/read/28454014/reduced-mouse-allergen-is-associated-with-epigenetic-changes-in-regulatory-genes-but-not-mouse-sensitization-in-asthmatic-children
#10
Rachel L Miller, Hanjie Zhang, Jacqueline Jezioro, Mariangels De Planell Saguer, Stephanie Lovinsky-Desir, Xinhua Liu, Matthew Perzanowski, Adnan Divjan, Wanda Phipatanakul, Elizabeth C Matsui
Chronic exposure to mouse allergen may contribute greatly to the inner-city asthma burden. We hypothesized that reducing mouse allergen exposure may modulate the immunopathology underlying symptomatic pediatric allergic asthma, and that this occurs through epigenetic regulation. To test this hypothesis, we studied a cohort of mouse sensitized, persistent asthmatic inner-city children undergoing mouse allergen-targeted integrated pest management (IPM) vs education in a randomized controlled intervention trial...
April 25, 2017: Environmental Research
https://www.readbyqxmd.com/read/28450369/a-chromosome-scale-assembly-of-the-bactrocera-cucurbitae-genome-provides-insight-to-the-genetic-basis-of-white-pupae
#11
Sheina B Sim, Scott M Geib
Genetic sexing strains (GSS) used in sterile insect technique (SIT) programs are textbook examples of how classical Mendelian genetics can be directly implemented in the management of agricultural insect pests. Though the foundation of traditionally developed GSS are single locus, autosomal recessive traits, their genetic basis are largely unknown. With the advent of modern genomic techniques, the genetic basis of sexing traits in GSS can now be further investigated. This study is the first of its kind to integrate traditional genetic techniques with emerging genomics to characterize a GSS using the tephritid fruit fly pest Bactrocera cucurbitae as a model...
April 26, 2017: G3: Genes—Genomes—Genetics
https://www.readbyqxmd.com/read/28449326/area-wide-mass-trapping-by-pheromone-based-attractants-for-the-control-of-sugar-beet-weevil-bothynoderes-punctiventris-germar-coleoptera-curculionidae
#12
Z Drmić, M Toth, D Lemić, D Grubišić, M Pospišil, R Bažok
BACKGROUND: Due to the changing climate, narrow crop rotation, and changes in insecticide application practice, sugar beet weevil (SBW) (Bothynoderes punctiventris Germar) has become the most important economic pest in sugar beet. To develop alternative control methods, an area-wide (AW) control program using aggregation pheromones was implemented over four years on an area of 6 and 14.8 km(2) in east Croatia. RESULTS: The mass trapping of SBW on the "old" sugar beet fields reduced the population from 0...
April 27, 2017: Pest Management Science
https://www.readbyqxmd.com/read/28444855/intraguild-interactions-and-behavior-of-spodoptera-frugiperda-and-helicoverpa-spp-on-maize
#13
José P F Bentivenha, Débora G Montezano, Thomas E Hunt, Edson L L Baldin, Julie A Peterson, Vinícius S Victor, Luiz E R Pannuti, Ana M Vélez, Silvana V Paula-Moraes
BACKGROUND: Spodoptera frugiperda (J. E. Smith) (Lepidoptera: Noctuidae), is one of the major pests of maize, and is in the same feeding guild of the noctuid pests, Helicoverpa zea (Boddie), and Helicoverpa armigera (Hübner), recently reported in South and North America. The intraguild interactions of these species were assessed in laboratory and field conditions by determining the survival of larvae in interactions scenarios with non-Bt maize silks and ears. Moreover, a video-tracking system was utilized to evaluate behavioral parameters during larval interactions in scenarios with or without food...
April 26, 2017: Pest Management Science
https://www.readbyqxmd.com/read/28444605/recent-trends-of-modern-bacterial-insecticides-for-pest-control-practice-in-integrated-crop-management-system
#14
REVIEW
Pritam Chattopadhyay, Goutam Banerjee, Sayantan Mukherjee
Food security and safety are the major concern in ever expanding human population on the planet earth. Each and every year insect pests cause a serious damage in agricultural field that cost billions of dollars annually to farmers. The loss in term of productivity and high cost of chemical pesticides enhance the production cost. Irrespective use of chemical pesticides (such as Benzene hexachloride, Endosulfan, Aldicarb, and Fenobucarb) in agricultural field raised several types of environmental issues. Furthermore, continuous use of chemical pesticides creates a selective pressure which helps in emerging of resistance pest...
May 2017: 3 Biotech
https://www.readbyqxmd.com/read/28444365/evaluation-of-attractants-for-monitoring-drosophila-suzukii-diptera-drosophilidae
#15
Andrew J Frewin, Justin Renkema, Hannah Fraser, Rebecca H Hallett
Drosophila suzukii Matsumura is an economically important pest of soft and small fruit crops. Unlike other drosophilid flies, D. suzukii is capable of infesting ripe and partially ripe fruit, which poses a significant pest management challenge, as there is no tolerance for infested or damaged fruit in the marketplace. As a result, producers in many regions rely on calendar-scheduled insecticide applications for D. suzukii management. In order to develop an integrated pest management approach, better tools for monitoring adult fly populations are needed...
April 21, 2017: Journal of Economic Entomology
https://www.readbyqxmd.com/read/28439681/side-effects-of-pesticides-used-in-irrigated-rice-areas-on-telenomus-podisi-ashmead-hymenoptera-platygastridae
#16
Juliano de Bastos Pazini, Rafael Antonio Pasini, Enio Júnior Seidel, Matheus Rakes, José Francisco da Silva Martins, Anderson Dionei Grützmacher
Telenomus podisi Ashmead (Hymenoptera: Platygastridae) is an important agent for the biological control of stink bug eggs in irrigated rice areas and the best strategy for its preservation is the use of selective pesticides. The aim of this study was to know the side-effects of pesticides used in Brazilian irrigated rice areas on egg parasitoid T. podisi. We evaluated, under laboratory conditions, 13 insecticides, 11 fungicides, 11 herbicides, and a control (distilled water) in choice and no-choice tests. In the no-choice tests, the pesticides were sprayed at pre and post-parasitism stages (egg and larval stages of T...
April 24, 2017: Ecotoxicology
https://www.readbyqxmd.com/read/28434411/direct-and-indirect-resistance-of-sugarcane-to-diatraea-saccharalis-induced-by-jasmonic-acid
#17
P A Sanches, F Santos, M F G V Peñaflor, J M S Bento
Treating plants with synthetic jasmonic acid (JA) induces a defensive response similar to herbivore attack, and is a potential strategy for integrated pest management. Despite the importance of sugarcane, its JA-induced defences have not yet been studied. We investigated the effects of JA treatment on the direct and indirect resistance of sugarcane to the key-pest and specialist herbivore Diatraea saccharalis and the generalist Spodoptera frugiperda. Indirect defences were examined by testing the attraction of Cotesia flavipes, a sugarcane-borer parasitoid, to JA-induced volatile...
April 24, 2017: Bulletin of Entomological Research
https://www.readbyqxmd.com/read/28423430/bioactivity-of-novel-botanical-insecticide-from-gnidia-kaussiana-thymeleaceae-against-callosobruchus-maculatus-coleoptera-chrysomelidae-in-stored-vigna-subterranea-fabaceae-grains
#18
D Kosini, E N Nukenine
Hexane, acetone, and methanol extracts from Gnidia kaussiana Meisn (Thymeleaceae), each at two dosages (0.2 and 1 ml/50 g grains corresponding, respectively to 1 and 5g/kg), and neem seed oil (NSO), used as standard insecticide were evaluated for repellence, toxicity to Callosobruchus maculatus (F.) (Coleoptera: Chrysomelidae) adults, F1 progeny inhibition, persistence and as grain protectant during storage. Experiments were laid out at complete randomized design with five replications for repellence test and four for others...
January 1, 2017: Journal of Insect Science
https://www.readbyqxmd.com/read/28423414/discovery-development-and-evaluation-of-a-horn-fly-isolated-diptera-muscidae-beauveria-bassiana-hypocreales-cordyciptaceae-strain-from-florida-usa
#19
Christopher J Holderman, Lois A Wood, Christopher J Geden, Phillip E Kaufman
The horn fly, Haematobia irritans (L.) is an important cattle pest and traditionally has been managed using insecticides; however, many horn fly populations are insecticide-resistant in United States. Use of alternative control techniques has been limited because of the challenges of managing a fly pest on pastured cattle. After the discovery of a wild horn fly infected with Beauveria bassiana in Florida, the fungus was cultured and evaluated for efficacy against laboratory-reared horn flies. This fungal strain was selected for increased virulence by passage through laboratory-reared horn fly hosts to shorten interval from infection to fly death and subsequent conidia formation, properties important to future use of the fungus as a biological control agent against horn flies...
January 1, 2017: Journal of Insect Science
https://www.readbyqxmd.com/read/28422495/cochliotoxin-a-dihydropyranopyran-4-5-dione-and-its-analogues-produced-by-cochliobolus-australiensis-display-phytotoxic-activity-against-buffelgrass-cenchrus-ciliaris
#20
Marco Masi, Susan Meyer, Suzette Clement, Alessio Cimmino, Massimo Cristofaro, Antonio Evidente
Buffelgrass (Pennisetum ciliare or Cenchrus ciliaris) is a perennial grass that has become highly invasive in the Sonoran Desert of southern Arizona. In the search for novel control strategies against this weed, strains of the foliar fungal pathogen Cochliobolus australiensis from buffelgrass have been screened for their ability to produce phytotoxic metabolites that could potentially be used as natural herbicides in an integrated pest management strategy. A new phytotoxin, named cochliotoxin, was isolated from liquid culture of this fungus together with radicinin, radicinol, and their 3-epimers...
April 19, 2017: Journal of Natural Products
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