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« Previous AbstractElevated O(3) enhances the attraction of whitefly-infested tomato plants to Encarsia formosa    Next AbstractFlavor and texture characteristics of microwave-cooked Kung Pao Chicken by different heat conduction effects and further aroma improvement with moderate enzymatic hydrolyzed chicken fat »

Plant Sci


Title:Elevated O(3) increases volatile organic compounds via jasmonic acid pathway that promote the preference of parasitoid Encarsia formosa for tomato plants
Author(s):Cui H; Wei J; Su J; Li C; Ge F;
Address:"State Key Laboratory of Integrated Management of Pest Insects and Rodents, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, PR China; Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Beijing 100081, PR China. State Key Laboratory of Integrated Management of Pest Insects and Rodents, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, PR China. State Key Laboratory of Plant Genomics, National Center for Plant Gene Research, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing 100101, PR China. State Key Laboratory of Integrated Management of Pest Insects and Rodents, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, PR China. Electronic address: gef@ioz.ac.cn"
Journal Title:Plant Sci
Year:2016
Volume:20161006
Issue:
Page Number:243 - 250
DOI: 10.1016/j.plantsci.2016.09.019
ISSN/ISBN:1873-2259 (Electronic) 0168-9452 (Linking)
Abstract:"The elevated atmospheric O(3) level may change the interactions of plants and insects, which potentially affects direct and indirect plant defences. However, the underlying mechanism of the impact of elevated O(3) on indirect plant defence, namely the efficacy of natural enemies, is unclear. Here we tested a hypothesis that linked the effects of elevated O(3) and whitefly herbivory on tomato volatile releases mediated by the jasmonic acid (JA) pathway with the preferences of parasitoid Encarsia formosa for two different tomato genotypes (wild-type (Wt) and JA-deficient genotype (spr2)). The O(3) and whitefly herbivory significantly increased the production of volatile organic compounds (VOCs), including monoterpenes and green leaf volatiles (GLVs). The Wt plants released higher volatile levels, particularly monoterpenes, than did the spr2 plants. In Y-tube tests, limonene and Z-3-hexanol played key roles in the attraction of E. formosa. Moreover, regardless of plant genotype, the two plant genotypes were preferred by adult E. formosa under the O(3) and O(3)+ herbivory treatments. Our results suggest that under elevated O(3), the activation of the JA pathway significantly up-regulates the emission rates of volatiles, through which the efficacy of natural enemy might be promoted"
Keywords:"Animals Behavior, Animal/drug effects Cyclopentanes/metabolism Hemiptera/parasitology Herbivory Host-Parasite Interactions/*drug effects Solanum lycopersicum/drug effects/genetics/*metabolism Oxylipins/metabolism Ozone/*pharmacology Volatile Organic Compo;"
Notes:"MedlineCui, Hongying Wei, Jianing Su, Jianwei Li, Chuanyou Ge, Feng eng Ireland 2016/12/15 Plant Sci. 2016 Dec; 253:243-250. doi: 10.1016/j.plantsci.2016.09.019. Epub 2016 Oct 6"

 
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