抗性(生态学)
生物
生态学
植物进化
植物寿命
共发射极
植物种类
进化生态学
沟通
进化生物学
心理学
地理
工程类
遗传学
寄主(生物学)
林业
基因
电气工程
基因组
作者
Martin Heil,Richard Karban
标识
DOI:10.1016/j.tree.2009.09.010
摘要
In spite of initial doubts about the reality of 'talking trees', plant resistance expression mediated by volatile compounds that come from neighboring plants is now well described. Airborne signals usually improve the resistance of the receiver, but without obvious benefits for the emitter, thus making the evolutionary explanation of this phenomenon problematic. Here, we discuss four possible non-exclusive explanations involving the role of volatiles: in direct defense, as within-plant signals, as traits that synergistically interact with other defenses, and as cues among kin. Unfortunately, there is a lack of knowledge on the fitness consequences of plant communication for both emitter and receiver. This information is crucial to understanding the ecology and evolution of plant communication via airborne cues.
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