| DOI: | 10.1111/gcb.12205
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| 论文题名: | Migrate or evolve: Options for plant pathogens under climate change |
| 作者: | Chakraborty S.
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| 刊名: | Global Change Biology
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| ISSN: | 13541013
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| 出版年: | 2013
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| 卷: | 19, 期:7 | | 起始页码: | 1985
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| 结束页码: | 2000
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| 语种: | 英语
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| 英文关键词: | Biotrophic pathogens
; Climate feedback
; Ecosystem services
; Forest pathogens
; Habitat fragmentation
; Microevolution
; Necrotrophic pathogens
; Pathogen fitness
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| Scopus关键词: | agricultural research
; carbon dioxide
; climate change
; climate effect
; evolution
; fitness
; future prospect
; genotype
; geographical distribution
; habitat fragmentation
; high temperature
; pathogen
; plant
; plant community
; research work
; temperature effect
; biological model
; climate change
; crop
; ecosystem
; forestry
; growth, development and aging
; host pathogen interaction
; introduced species
; microbiology
; molecular evolution
; plant disease
; population dynamics
; review
; uncertainty
; Climate Change
; Crops, Agricultural
; Ecosystem
; Evolution, Molecular
; Forestry
; Host-Pathogen Interactions
; Introduced Species
; Models, Biological
; Plant Diseases
; Population Dynamics
; Uncertainty
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| 英文摘要: | Findings on climate change influence on plant pathogens are often inconsistent and context dependent. Knowledge of pathogens affecting agricultural crops and natural plant communities remains fragmented along disciplinary lines. By broadening the perspective beyond agriculture, this review integrates cross-disciplinary knowledge to show that at scales relevant to climate change, accelerated evolution and changing geographic distribution will be the main implications for pathogens. New races may evolve rapidly under elevated temperature and CO2, as evolutionary forces act on massive pathogen populations boosted by a combination of increased fecundity and infection cycles under favourable microclimate within enlarged canopy. Changing geographic distribution will bring together diverse lineages/genotypes that do not share common ecological niche, potentially increasing pathogen diversity. However, the uncertainty of model predictions and a lack of synthesis of fragmented knowledge remain as major deficiencies in knowledge. The review contends that the failure to consider scale and human intervention through new technology are major sources of uncertainty. Recognizing that improved biophysical models alone will not reduce uncertainty, it proposes a generic framework to increase focus and outlines ways to integrate biophysical elements and technology change with human intervention scenarios to minimize uncertainty. To synthesize knowledge of pathogen biology and life history, the review borrows the concept of 'fitness' from population biology as a comprehensive measure of pathogen strengths and vulnerabilities, and explores the implications of pathogen mode of nutrition to fitness and its interactions with plants suffering chronic abiotic stress under climate change. Current and future disease management options can then be judged for their ability to impair pathogenic and saprophytic fitness. The review pinpoints improving confidence in model prediction by minimizing uncertainty, developing management strategies to reduce overall pathogen fitness, and finding new sources of data to trawl for climate signatures on pathogens as important challenges for future research. © 2013 Blackwell Publishing Ltd. |
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| 资源类型: | 期刊论文
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| 标识符: | http://119.78.100.158/handle/2HF3EXSE/62410
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| Appears in Collections: | 影响、适应和脆弱性
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作者单位: | CSIRO Plant Industry, Queensland Bioscience Precinct, 306 Carmody Road, St. Lucia, QLD, 4067, Australia
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| Recommended Citation: | |
Chakraborty S.. Migrate or evolve: Options for plant pathogens under climate change[J]. Global Change Biology,2013-01-01,19(7)
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