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Pest management science 25건

  1. [해외논문]   Cover Image, Volume 74, Issue 8  

    Skaljac, Marisa (Fraunhofer Institute for Molecular Biology and Applied Ecology (IME), Bioresources Project Group, Giessen, Germany) , Kirfel, Phillipp (Fraunhofer Institute for Molecular Biology and Applied Ecology (IME), Bioresources Project Group, Giessen, Germany) , Grotmann, Jens (Fraunhofer Institute for Molecular Biology and Applied Ecology (IME), Bioresources Project Group, Giessen, Germany) , Vilcinskas, Andreas (Fraunhofer Institute for Molecular Biology and Applied Ecology (IME), Bioresources Project Group, Giessen, Germany)
    Pest management science v.74 no.8 ,pp. i - i , 2018 , 1526-498x ,

    초록

    The cover image, by Marisa Skaljac et al., is based on the Research Article Fitness costs of infection with Serratia symbiotica are associated with greater susceptibility to insecticides in the pea aphid Acyrthosiphon pisum , DOI: 10.1002/ps.4881 . Image Credit: Marisa Skaljac.

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  2. [해외논문]   Issue Information  


    Pest management science v.74 no.8 ,pp. 1747 - 1750 , 2018 , 1526-498x ,

    초록

    The cover image, by Marisa Skaljac et al., is based on the Research Article Fitness costs of infection with Serratia symbiotica are associated with greater susceptibility to insecticides in the pea aphid Acyrthosiphon pisum , DOI: 10.1002/ps.4881 . Image Credit: Marisa Skaljac.

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  3. [해외논문]   Improved insect‐proofing: expressing double‐stranded RNA in chloroplasts  

    Bally, Julia (Centre for Tropical Crops and Biocommodities, QUT, Brisbane, QLD, Australia) , Fishilevich, Elane (Dow AgroSciences, Indianapolis, IN, USA) , Bowling, Andrew J (Dow AgroSciences, Indianapolis, IN, USA) , Pence, Heather E (Dow AgroSciences, Indianapolis, IN, USA) , Narva, Kenneth E (Dow AgroSciences, Indianapolis, IN, USA) , Waterhouse, Peter M (Centre for Tropical Crops and Biocommodities, QUT, Brisbane, QLD, Australia)
    Pest management science v.74 no.8 ,pp. 1751 - 1758 , 2018 , 1526-498x ,

    초록

    Abstract RNA interference (RNAi) was discovered almost 20 years ago and has been exploited worldwide to silence genes in plants and animals. A decade later, it was found that transforming plants with an RNAi construct targeting an insect gene could protect the plant against feeding by that insect. Production of double‐stranded RNA (dsRNA) in a plant to affect the viability of a herbivorous animal is termed trans‐kingdom RNAi (TK‐RNAi). Since this pioneering work, there have been many further examples of successful TK‐RNAi, but also reports of failed attempts and unrepeatable experiments. Recently, three laboratories have shown that producing dsRNA in a plant's chloroplast, rather than in its cellular cytoplasm, is a very effective way of delivering TK‐RNAi. Our review examines this potentially game‐changing approach and compares it with other transgenic insect‐proofing schemes. ⓒ 2018 The Authors. Pest Management Science published by John Wiley & Sons Ltd on behalf of Society of Chemical Industry.

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  4. [해외논문]   Stress‐induced evolution of herbicide resistance and related pleiotropic effects  

    Dyer, William Edward (Department of Plant Sciences & Plant Pathology, Montana State University, Bozeman, MT, USA)
    Pest management science v.74 no.8 ,pp. 1759 - 1768 , 2018 , 1526-498x ,

    초록

    Abstract Herbicide‐resistant weeds, especially those with resistance to multiple herbicides, represent a growing worldwide threat to agriculture and food security. Natural selection for resistant genotypes may act on standing genetic variation, or on a genetic and physiological background that is fundamentally altered because of stress responses to sublethal herbicide exposure. Stress‐induced changes include DNA mutations, epigenetic alterations, transcriptional remodeling, and protein modifications, all of which can lead to herbicide resistance and a wide range of pleiotropic effects. Resistance selected in this manner is termed systemic acquired herbicide resistance, and the associated pleiotropic effects are manifested as a suite of constitutive transcriptional and post‐translational changes related to biotic and abiotic stress adaptation, representing the evolutionary signature of selection. This phenotype is being investigated in two multiple herbicide‐resistant populations of the hexaploid, self‐pollinating weedy monocot Avena fatua that display such changes as well as constitutive reductions in certain heat shock proteins and their transcripts, which are well known as global regulators of diverse stress adaptation pathways. Herbicide‐resistant populations of most weedy plant species exhibit pleiotropic effects, and their association with resistance genes presents a fertile area of investigation. This review proposes that more detailed studies of resistant A. fatua and other species through the lens of plant evolution under stress will inform improved resistant weed prevention and management strategies. ⓒ 2018 Society of Chemical Industry

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  5. [해외논문]   F2 screen, inheritance and cross‐resistance of field‐derived Vip3A resistance in Spodoptera frugiperda (Lepidoptera: Noctuidae) collected from Louisiana, USA  

    Yang, Fei (Department of Entomology, Texas A&M University, College Station, TX, USA) , Morsello, Shannon (Syngenta Crop Protection, LLC, Greensboro, NC, USA) , Head, Graham P (Monsanto Company, St. Louis, MO, USA) , Sansone, Chris (Bayer CropScience, Morrisville, NC, USA) , Huang, Fangneng (Department of Entomology, Louisiana State University Agricultural Center, Baton Rouge, LA, USA) , Gilreath, Ryan T (Department of Entomology, Texas A&M University, College Station, TX, USA) , Kerns, David L (Department of Entomology, Texas A&M University, College Station, TX, USA)
    Pest management science v.74 no.8 ,pp. 1769 - 1778 , 2018 , 1526-498x ,

    초록

    Abstract BACKGROUND Fall armyworm, Spodoptera frugiperda , is a target pest of the Vip3A protein used in pyramided Bt corn and cotton in the USA. In this study, we provide the first documentation of a resistance allele conferring Vip3A resistance in a field‐derived population of S. frugiperda from the USA, and characterize its inheritance and cross‐resistance. RESULTS An F 2 screen with 104 two‐parent families generated from a field collection of S. frugiperda in Louisiana, USA, resulted in one family carrying a Vip3A resistance allele. The Vip3A‐resistant strain (RR) derived from the two‐parent family showed a high level of resistance to Vip3A in both diet and whole‐plant bioassays, with a resistance ratio of >632.0‐fold relative to a susceptible population (SS) based on diet‐overlay bioassays. The inheritance of Vip3A resistance was monogenic, autosomal and recessive. Furthermore, the Vip3A resistance conferred no cross‐resistance to Cry1F, Cry2Ab2 or Cry2Ae purified proteins, with resistance ratios of 3.5, 5.0 and 1.1, respectively. CONCLUSION These findings provide valuable information for characterizing Vip3A resistance, resistance monitoring, and developing effective resistance management strategies for the sustainable use of the Vip3A technology. ⓒ 2017 Society of Chemical Industry

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  6. [해외논문]   Differential accumulation of leucine and methionine in red and green pea aphids leads to different fecundity in response to nitrogen fertilization  

    Gao, Jing (State Key Laboratory of Integrated Management of Pest Insects and Rodents, Institute of Zoology, Chinese Academy of Sciences, Beijing, China) , Guo, Huijuan (State Key Laboratory of Integrated Management of Pest Insects and Rodents, Institute of Zoology, Chinese Academy of Sciences, Beijing, China) , Sun, Yucheng (State Key Laboratory of Integrated Management of Pest Insects and Rodents, Institute of Zoology, Chinese Academy of Sciences, Beijing, China) , Ge, Feng (State Key Laboratory of Integrated Management of Pest Insects and Rodents, Institute of Zoology, Chinese Academy of Sciences, Beijing, China)
    Pest management science v.74 no.8 ,pp. 1779 - 1789 , 2018 , 1526-498x ,

    초록

    Abstract BACKGROUND Nitrogen fertilization affects plants directly and herbivorous insects indirectly. Although insect species and even genotypes are known to differ in their responses to nitrogen fertilization, the physiological and molecular mechanisms remain unclear. This study assessed the fecundity and related regulatory signaling pathways in the green and red morphs of pea aphid ( Acyrthosiphon pisum ) feeding on Medicago truncatula with and without nitrogen fertilization. RESULTS Nitrogen fertilization significantly increased foliar amino acid concentrations and consequently increased the concentrations of several individual essential amino acids in body tissue of the green morph. The increased concentration of Leu, Ile, Met and Val was consistent with enhanced biosynthesis of these amino acids in the endosymbiont Buchnera . Under nitrogen fertilization, Leu and Met accumulated in the green morph enhanced the target of rapamycin (TOR) signaling pathway, which consequently increased fecundity by promoting vitellogenin synthesis. In the red morph, however, nitrogen fertilization did not change the concentration of essential amino acids, TOR signaling or fecundity. CONCLUSION Specific amino acids accumulation and the nutrient transduction pathway in pea aphids are responsible for genotype‐specific fecundity in response to nitrogen fertilization, which could be used as potential target for pest control. ⓒ 2018 Society of Chemical Industry

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  7. [해외논문]   Effect of oral exposure to the acaricide pirimicarb, a new varroacide candidate, on Apis mellifera feeding rate  

    Riva, Clé (UPJV, GRAP (Groupe de Recherche sur l'Alcool et les Pharmacodépendances), Université) , mence (de Picardie ‐) , Sokolowski, Michel BC (Jules Verne, INSERM ERI24, Amiens, France) , Normand, Julien (Ifremer Port‐en‐Bessin, Laboratoire Environnement Ressources de Normandie, Port‐en‐Bessin, France) , Santos, Jana Sopkova‐ (UNICAEN, CERMN (Centre d'Etudes et de Recherche sur le Médicament de Normandie, ICORE, Université) , de Oliveira (de Caen Basse ‐) , Halm‐ (Normandie, U.F.R. des Sciences Pharmaceutiques), Caen, France) , Lemeille, Marie‐ (UNICAEN, CERMN (Centre d'Etudes et de Recherche sur le Médicament de Normandie, ICORE, Université) , Pierre (de Caen Basse ‐)
    Pest management science v.74 no.8 ,pp. 1790 - 1797 , 2018 , 1526-498x ,

    초록

    Abstract BACKGROUND The ectoparasitic honey bee mite Varroa destructor is a main cause of the gradual decline in honey bees Apis mellifera . Beekeepers currently utilize a wide range of different synthetic acaricides, organic acids and essential oils to keep mite populations under control. Previous work has indicated that pirimicarb may be a new varroacide candidate. The aim of this study was to observe chronic effects on feeding activity in worker honey bees after oral exposure to 1.05 m m pirimicarb. The long‐term effects of 24 h exposure to pirimicarb were also tested. RESULTS After three successive trials, no mortality could be detected at the tested concentration, although oral exposure to pirimicarb had a significant effect on honey bees feeding behavior. Pirimicarb added to a sucrose solution led to a rapid decrease in food intake. These tendencies may be reversed when the pesticide is removed. However, recovery seemed to be trial dependent. CONCLUSION This study highlights seasonal variation in honey bee susceptibility, which should be considered in toxicology studies. ⓒ 2018 Society of Chemical Industry

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  8. [해외논문]   Space–time variability of citrus leprosis as strategic planning for crop management  

    Andrade, Daniel J (UNESP‐São Paulo State University, College of Agricultural and Veterinary Sciences (FCAV/UNESP), Jaboticabal, Brazil) , Lorenç (UNESP‐São Paulo State University, College of Agricultural and Veterinary Sciences (FCAV/UNESP), Jaboticabal, Brazil) , on, José (UNESP‐São Paulo State University, College of Agricultural and Veterinary Sciences (FCAV/UNESP), Jaboticabal, Brazil) , R (Centro APTA Citros Sylvio Moreira/ IAC, Cordeirópolis, Brazil) , Siqueira, Diego S (Fundo de Defesa da Citricultura, Fundecitrus, Araraquara, Brazil) , Novelli, Valdenice M , Bassanezi, Renato B
    Pest management science v.74 no.8 ,pp. 1798 - 1803 , 2018 , 1526-498x ,

    초록

    ABSTRACT BACKGROUND Citrus leprosis is the most important viral disease of citrus. Knowledge of its spatiotemporal structure is fundamental to a representative sampling plan focused on the disease control approach. Such a well‐crafted sampling design helps to reduce pesticide use in agriculture to control pests and diseases. RESULTS Despite the use of acaricides to control citrus leprosis vector ( Brevipalpus spp.) populations, the disease has spread rapidly through experimental areas. Citrus leprosis has an aggregate spatial distribution, with high dependence among symptomatic plants. Temporal variation in disease incidence increased among symptomatic plants by 4% per month. CONCLUSIONS Use of acaricides alone to control the vector of leprosis is insufficient to avoid its incidence in healthy plants. Preliminary investigation into the time and space variation in the incidence of the disease is fundamental to select a sampling plan and determine effective strategies for disease management. ⓒ 2018 Society of Chemical Industry

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  9. [해외논문]   Wettability of pear leaves from three regions characterized at different stages after flowering using the OWRK method  

    Gao, Yue (College of Science, China Agricultural University, Beijing, People's Republic of China) , Guo, Ruifeng (Shanxi Key Laboratory of Integrated Pest Management in Agriculture, Institute of Plant Protection, Shanxi Academy of Agricultural Sciences, Taiyuan, People's Republic of China) , Fan, Renjun (Shanxi Key Laboratory of Integrated Pest Management in Agriculture, Institute of Plant Protection, Shanxi Academy of Agricultural Sciences, Taiyuan, People's Republic of China) , Liu, Zhongfang (Shanxi Key Laboratory of Integrated Pest Management in Agriculture, Institute of Plant Protection, Shanxi Academy of Agricultural Sciences, Taiyuan, People's Republic of China) , Kong, Weina (Shanxi Key Laboratory of Integrated Pest Management in Agriculture, Institute of Plant Protection, Shanxi Academy of Agricultural Sciences, Taiyuan, People's Republic of China) , Zhang, Pengjiu (Shanxi Ke) , Du, Feng‐ , pei
    Pest management science v.74 no.8 ,pp. 1804 - 1809 , 2018 , 1526-498x ,

    초록

    Abstract BACKGROUND A better understanding of leaf surface wettability is critical to improve the adhesion of liquid pesticides. Leaf surface wettability is dependent on the property of the liquid as well as the physical and chemical properties of the leaf, which vary with climate and growth stage. The aim of this study was to characterize the wettability of pear leaves from three different climatic regions at different stages after flowering. RESULTS The contact angles of different test liquids were measured on both adaxial and abaxial pear leaf surfaces and the Owens–Wendt–Rabel–Kaelble (OWRK) method was used to calculate surface free energy (SFE) and its polar and non‐polar components. The results demonstrated that the SFE of both the adaxial and abaxial surface of the pear leaf, and the proportion of polar component, increased with increasing time after flowering. At early growth stages, pear leaves were highly hydrophobic, similar to a polytetrafluoroethylene surface, whereas at later growth stages, pear leaves were hydrophobic, more similar to a polymethylmethacrylate surface. Also, the SFE differed with climatic region. Factors influencing these changes are discussed. CONCLUSION Changes in contact angles and SFE correlated with the change of the leaf surface wettability. Leaves became easier to wet (higher SFE), with an overall increasing polar component to the surface, with increasing age after flowering. As expected, changes in wettability were found in pear leaves at different stages after flowering and in different regions ( P

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  10. [해외논문]   Genome‐wide and expression‐profiling analyses suggest the main cytochrome P450 genes related to pyrethroid resistance in the malaria vector, Anopheles sinensis (Diptera Culicidae)  

    Yan, Zheng‐ (Chongqing Key Laboratory of Vector Insects) , Wen (Institute of Entomology and Molecular Biology, Chongqing Normal University, Chongqing, China) , He, Zheng‐ (Chongqing Key Laboratory of Vector Insects) , Bo (Institute of Entomology and Molecular Biology, Chongqing Normal University, Chongqing, China) , Yan, Zhen‐ (Chongqing Key Laboratory of Vector Insects) , Tian (Institute of Entomology and Molecular Biology, Chongqing Normal University, Chongqing, China) , Si, Feng‐ (Chongqing Key Laboratory of Vector Insects) , Ling (Institute of Entomology and Molecular Biology, Chongqing Normal University, Chongqing, China) , Zhou, Yong (Chongqing Key Laboratory of Vector Insects) , Chen, Bin (Institute of Entomology and Molecular Biology, Chongqing Normal University, Chongqing, China)
    Pest management science v.74 no.8 ,pp. 1810 - 1820 , 2018 , 1526-498x ,

    초록

    Abstract BACKGROUND Anopheles sinensis is one of the major malaria vectors. However, pyrethroid resistance in An. sinensis is threatening malaria control. Cytochrome P450‐mediated detoxification is an important pyrethroid resistance mechanism that has been unexplored in An. sinensis . In this study, we performed a comprehensive analysis of the An. sinensis P450 gene superfamily with special attention to their role in pyrethroid resistance using bioinformatics and molecular approaches. RESULTS Our data revealed the presence of 112 individual P450 genes in An. sinensis , which were classified into four major clans (mitochondrial, CYP2, CYP3 and CYP4), 18 families and 50 subfamilies. Sixty‐seven genes formed nine gene clusters, and genes within the same cluster and the same gene family had a similar gene structure. Phylogenetic analysis showed that most of An. sinensis P450s (82/112) had very close 1: 1 orthology with Anopheles gambiae P450s. Five genes ( AsCYP6Z2 , AsCYP6P3v1 , AsCYP6P3v2 , AsCYP9J5 and AsCYP306A1 ) were significantly upregulated in three pyrethroid‐resistant populations in both RNA‐seq and RT‐qPCR analyses, suggesting that they could be the most important P450 genes involved in pyrethroid resistance in An. sinensis . CONCLUSION Our study provides insight on the diversity of An. sinensis P450 superfamily and basis for further elucidating pyrethroid resistance mechanism in this mosquito species. ⓒ 2018 Society of Chemical Industry.

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    Fig. 1 이미지

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