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Integrated Pest Management

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https://www.readbyqxmd.com/read/28439681/side-effects-of-pesticides-used-in-irrigated-rice-areas-on-telenomus-podisi-ashmead-hymenoptera-platygastridae
#1
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
#2
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
#3
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
#4
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
#5
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
https://www.readbyqxmd.com/read/28422455/a-decade-of-a-leafminer-invasion-in-china-lessons-learned
#6
REVIEW
Yulin Gao, Stuart Reitz, Zhenlong Xing, Scott Ferguson, Zhongren Lei
Liriomyza trifolii (Burgess) is a highly invasive species that has become established in agricultural and ornamental crops throughout the world. L. trifolii was first recorded in China in 2005 in Guangdong Province. Subsequently, its known distribution in China has rapidly expanded to another 11 provinces (Zhejiang, Jiangsu, Shanghai, Fujian, Guangxi, Shandong, Hainan, Hebei, Henan, Hubei and Anhui), where it is currently causing considerable damage and economic losses. Experimental research and field surveys have contributed to our understanding of the ecology of L...
April 19, 2017: Pest Management Science
https://www.readbyqxmd.com/read/28417422/selection-of-an-artificial-diet-for-laboratory-rearing-of-opogona-sacchari-lepidoptera-tineidae-bojer-1856
#7
A Coelho, J M Milanez, R de Andrade Moral, C G B Demétrio, J R P Parra
The banana moth Opogona sacchari (Bojer) (Lepidoptera: Tineidae) is a polyphagous pest that can cause serious damage, in particular to banana crops in southern Brazil. The insect is a quarantine pest in several countries, including Argentina, the main consumer market for bananas from southern Brazil. Little information is available about the biology and ecology of this moth, such as a suitable diet for laboratory rearing. In order to provide support for integrated pest management of the pest, this study furnished data for selecting two diets suitable for continuous laboratory rearing of O...
April 17, 2017: Neotropical Entomology
https://www.readbyqxmd.com/read/28412460/characterization-of-transcriptome-in-the-indian-meal-moth-plodia-interpunctella-lepidoptera-pyralidae-and-gene-expression-analysis-during-developmental-stages
#8
Pei-An Tang, Hai-Jing Wu, Hao Xue, Xing-Rong Ju, Wei Song, Qi-Lin Zhang, Ming-Long Yuan
The Indian meal moth Plodia interpunctella (Lepidoptera: Pyralidae) is a worldwide pest that causes serious damage to stored foods. Although many efforts have been conducted on this species due to its economic importance, the study of genetic basis of development, behavior and insecticide resistance has been greatly hampered due to lack of genomic information. In this study, we used high throughput sequencing platform to perform a de novo transcriptome assembly and tag-based digital gene expression profiling (DGE) analyses across four different developmental stages of P...
April 13, 2017: Gene
https://www.readbyqxmd.com/read/28409427/environment-polluting-conventional-chemical-control-compared-to-an-environmentally-friendly-ipm-approach-for-control-of-diamondback-moth-plutella-xylostella-l-in-china-a-review
#9
Muhammad Shakeel, Muhammad Farooq, Wajid Nasim, Waseem Akram, Fawad Zafar Ahmad Khan, Waqar Jaleel, Xun Zhu, Haichen Yin, Shuzhong Li, Shah Fahad, Saddam Hussain, Bhagirath Singh Chauhan, Fengliang Jin
The diamondback moth, Plutella xylostella, is recognized as a widely distributed destructive insect pest of Brassica worldwide. The management of this pest is a serious issue, and an estimated annual cost of its management has reached approximately US$4 billion. Despite the fact that chemicals are a serious threat to the environment, lots of chemicals are applied for controlling various insect pests especially P. xylostella. An overreliance on chemical control has not only led to the evolution of resistance to insecticides and to a reduction of natural enemies but also has polluted various components of water, air, and soil ecosystem...
April 13, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28399282/comparing-visual-and-digital-counting-methods-to-estimate-horn-fly-diptera-muscidae-populations-on-cattle
#10
B G Smythe, S Urias, M E Wise, E J Scholljegerdes, A F Summers, D W Bailey
Horn fly, Haematobia irritans (L.), population estimates often serve as a diagnostic tool prior to implementing managerial control options available to researchers and producers. Digital photographs taken of cattle infested with horn flies have been suggested to provide similarly accurate population estimates as compared with traditional visual assessments. The objective of this study was to compare visual and digital techniques used to estimate horn fly populations. Sixteen Angus × Hereford yearling heifers artificially infested with four levels of horn flies (Low = 0 flies; Medium = 250 flies; High = 500 flies; Extreme = 1,000 flies) were evaluated...
March 8, 2017: Journal of Medical Entomology
https://www.readbyqxmd.com/read/28399202/differential-pathogenicity-of-metarhizium-blastospores-and-conidia-against-larvae-of-three-mosquito-species
#11
A M Alkhaibari, A T Carolino, J C Bull, R I Samuels, T M Butt
Biorational insecticides are being increasingly used in integrated pest management programs. In laboratory bioassays, the pathogenicity of blastospores and conidia of the entomopathogenic fungus Metarhizium brunneum ARSEF 4556 was evaluated against larvae of three mosquito species. Three propagule concentrations (1 × 106, 1 × 107, and 1 × 108 spores ml - 1) were used in the bioassays. Results showed that Aedes aegypti had lower survival rates when exposed to blastospores than when exposed to conidia, whereas the converse was true for Culex quinquefasciatus larvae...
February 17, 2017: Journal of Medical Entomology
https://www.readbyqxmd.com/read/28398839/foundational-and-translational-research-opportunities-to-improve-plant-health
#12
Richard W Michelmore, Gitta Coaker, Rebecca Bart, Gwyn A Beattie, Andrew Bent, Toby Bruce, Duncan Cameron, Jeff Dangl, Savithramma Dinesh-Kumar, Robert Edwards, Sebastian Eves-van den Akker, Walter Gassmann, Jean Greenberg, Richard Harrison, Ping He, Jagger Harvey, Alisa Huffaker, Scot Hulbert, Roger Innes, Jonathan D Jones, Isgouhi Kaloshian, Sophien Kamoun, Fumiaki Katagiri, Jan E Leach, Wenbo Ma, John M McDowell, June Medford, Blake Meyers, Rebecca Nelson, Richard Peter Oliver, Yiping Qi, Diane Saunders, Michael Shaw, Prasanta Subudhi, Leslie Torrance, Brett M Tyler, John Walsh
This whitepaper reports the deliberations of a workshop focused on biotic challenges to plant health held in Washington, D.C. in September 2016. Ensuring health of food plants is critical to maintaining the quality and productivity of crops and for sustenance of the rapidly growing human population. There is a close linkage between food security and societal stability; however, global food security is threatened by the vulnerability of our agricultural systems to numerous pests, pathogens, weeds, and environmental stresses...
April 11, 2017: Molecular Plant-microbe Interactions: MPMI
https://www.readbyqxmd.com/read/28387878/new-sources-of-resistance-to-leafminers-liriomyza-sativae-in-melon-cucumis-melo-l-germplasm
#13
E F Celin, F I C Oliveira, N S Dias-Pini, G H S Nunes, F A S Aragão
Leafminers (Liriomyza sativae) are the main melon (Cucumis melo L.) pests in Northeast Brazil, which is the main region for the production and export of the fruit in Brazil. Of the integrated management strategies available, genetic resistance is the best method of preventing damage by these insects. The aim of this study was to select sources of resistance to leafminers in melon germplasm. Seven experiments were conducted in the laboratory, field, and greenhouse, with and without choice, using 52 melon accessions and 4 commercial hybrids as controls...
April 5, 2017: Genetics and Molecular Research: GMR
https://www.readbyqxmd.com/read/28383691/development-and-survival-of-spodoptera-exigua-lepidoptera-noctuidae-on-alternate-crops-in-cotton-cropping-pattern-with-implications-to-integrated-pest-management
#14
Qamar Saeed, Faheem Ahmad, Shafqat Saeed
Spodoptera exigua (Hübner) is a polyphagous pest that shifts its population to different hosts during its life cycle to receive nutritive advantages. Therefore, demographic evaluation of alternate hosts is important for effective pest management. Here, we have evaluated castor (Ricinus communis L.), cauliflower (Brassica oleracea L.), cotton (Gossypium hirsutum L.), okra (Abelmoschus esculentus L.), and spinach (Spinacia oleracea L.) for growth, survival, and population development of S. exigua. Development of early populations of S...
April 5, 2017: Environmental Entomology
https://www.readbyqxmd.com/read/28382937/entomopathogenic-nematodes-in-agricultural-areas-in-brazil
#15
Andressa Lima de Brida, Juliana Magrinelli Osório Rosa, Cláudio Marcelo Gonçalves de Oliveira, Bárbara Monteiro de Castro E Castro, José Eduardo Serrão, José Cola Zanuncio, Luis Garrigós Leite, Silvia Renata Siciliano Wilcken
Entomopathogenic nematodes (EPNs) (Steinernematidae and Heterorhabditidae) can control pests due to the mutualistic association with bacteria that kill the host by septicemia and make the environment favorable for EPNs development and reproduction. The diversity of EPNs in Brazilian soils requires further study. The identification of EPNs, adapted to environmental and climatic conditions of cultivated areas is important for sustainable pest suppression in integrated management programs in agricultural areas of Brazil...
April 6, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28382747/mass-trapping-is-as-effective-as-ground-bait-sprays-for-the-control-of-anastrepha-diptera-tephritidae-fruit-flies-in-mango-orchards
#16
Jorge Villalobos, Salvador Flores, Pablo Liedo, Edi A Malo
BACKGROUND: Anastrepha fruit flies are considered one of the main phytosanitary problems for the fresh fruit industry in the USA, Caribbean islands and Latin America. Since 1994, the Mexican government implemented the National Fruit Fly Program using an area-wide integrated pest management approach. In this paper, we evaluated the effectiveness of mass trapping and compared it with ground GF-120 spraying against Anastrepha obliqua and Anastrepha ludens populations in mango cv Ataulfo orchards...
April 5, 2017: Pest Management Science
https://www.readbyqxmd.com/read/28381958/fungicide-sensitivity-among-isolates-of-colletotrichum-truncatum-and-fusarium-incarnatum-equiseti-species-complex-infecting-bell-pepper-in-trinidad
#17
Hema Ramdial, Kathryn De Abreu, Sephra N Rampersad
Bell pepper is an economically important crop worldwide; however, production is restricted by a number of fungal diseases that cause significant yield loss. Chemical control is the most common approach adopted by growers to manage a number of these diseases. Monitoring for the development to resistance to fungicides in pathogenic fungal populations is central to devising integrated pest management strategies. Two fungal species, Fusarium incarnatum-equiseti species complex (FIESC) and Colletotrichum truncatum are important pathogens of bell pepper in Trinidad...
April 2017: Plant Pathology Journal
https://www.readbyqxmd.com/read/28371746/how-hedge-woody-species-diversity-and-habitat-change-is-a-function-of-land-use-history-and-recent-management-in-a-european-agricultural-landscape
#18
Thomas McCann, Alan Cooper, David Rogers, Paul McKenzie, Thomas McErlean
European hedged agricultural landscapes provide a range of ecosystem services and are an important component of cultural and biodiversity heritage. This paper investigates the extent of hedges, their woody species diversity (including the influence of historical versus recent hedge origin) and dynamics of change. The rationale is to contribute to an ecological basis for hedge habitat management. Sample sites were allocated based on a multivariate classification of landscape attributes. All field boundaries present in each site were mapped and surveyed in 1998 and 2007...
March 31, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28365771/elicitors-of-host-plant-defenses-partially-suppress-cacopsylla-pyricola-hemiptera-psyllidae-populations-under-field-conditions
#19
W Rodney Cooper, David R Horton
Defense elicitors are products that activate acquired defense responses in plants, thus rendering the plants less susceptible to attack by a broad range of pests. We demonstrated previously under laboratory conditions that foliar applications of the defense elicitors Actigard (acibenzolar-S-methyl), Employ (harpin protein), or ODC (chitosan) to potted pear trees (Pyrus communis L.) each caused an increase in mortality of Cacopsylla pyricola (Förster) (Hemiptera: Psyllidae) nymphs and altered the settling and oviposition behavior of the adults...
January 1, 2017: Journal of Insect Science
https://www.readbyqxmd.com/read/28363061/compromised-fertility-in-free-feeding-of-wild-caught-norway-rats-rattus-norvegicus-with-a-liquid-bait-containing-4-vinylcyclohexene-diepoxide-and-triptolide
#20
Gary W Witmer, Stefanie Raymond-Whish, Rachael S Moulton, Brandy R Pyzyna, Elissa M Calloway, Cheryl A Dyer, Loretta P Mayer, Patricia B Hoyer
Wild rat pests in the environment cause crop and property damage and carry disease. Traditional methods of reducing populations of these pests involve poisons that can cause accidental exposures in other animals and humans. Fertility management with nonlethal chemicals would be an improved method of rat pest population control. Two chemicals known to target ovarian function in female rats are 4-vinylcyclohexene diepoxide (VCD) and triptolide. Additionally, triptolide impairs spermatogenesis in males. A liquid bait containing no active ingredients (control), or containing triptolide (0...
March 2017: Journal of Zoo and Wildlife Medicine: Official Publication of the American Association of Zoo Veterinarians
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