Insect-plant-pathogen interactions as shaped by future climate: effects on biology, distribution, and implications for agriculture

Piotr Tr(e)bicki; Beatriz Dáder; Simone Vassiliadis; Alberto Fereres

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Insect-plant-pathogen interactions as shaped by future climate: effects on biology, distribution, and implications for agriculture

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Carbon dioxide (CO2) is the main anthropogenic gas which has drastically increased since the industrial revolution,and current concentrations are projected to double by the end of this century.As a consequence,elevated CO2 is expected to alter the earths' climate,increase global temperatures and change weather patterns.This is likely to have both direct and indirect impacts on plants,insect pests,plant pathogens and their distribution,and is therefore problematic for the security of future food production.This review summarizes the latest findings and highlights current knowledge gaps regarding the influence of climate change on insect,plant and pathogen interactions with an emphasis on agriculture and food production.Direct effects of climate change,including increased CO2 concentration,temperature,patterns of rainfall and severe weather events that impact insects (namely vectors of plant pathogens) are discussed.Elevated CO2 and temperature,together with plant pathogen infection,can considerably change plant biochemistry and therefore plant defense responses.This can have substantial consequences on insect fecundity,feeding rates,survival,population size,and dispersal.Generally,changes in host plant quality due to elevated CO2 (e.g.,carbon to nitrogen ratios in C3 plants) negatively affect insect pests.However,compensatory feeding,increased population size and distribution have also been reported for some agricultural insect pests.This underlines the importance of additional research on more targeted,individual insect-plant scenarios at specific locations to fully understand the impact of a changing climate on insect-plant-pathogen interactions.

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《中国昆虫科学：英文版》 |2017年第6期|975-989|共15页
作者
Piotr Tr(e)bicki; Beatriz Dáder; Simone Vassiliadis; Alberto Fereres;
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作者单位

Biosciences Research, Department of Economic Development Jobs, Transport and Resources(DEDJTR), Horsham, VIC, Australia;

INRA, UMR 385 BGPI(CIRAD-INRA-SupAgroM), Campus International de Baillarguet, Montpellier, France;

Biosciences Research, DEDJTR, La Trobe University, AgriBio Centre, 5 Ring Road, Bundoora, VIC, Australia;

Institute of Agricultural Sciences-CSIC,Madrid, Spain;

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Insect-plant-pathogen interactions as shaped by future climate: effects on biology, distribution, and implications for agriculture

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