期刊
PLANT CELL AND ENVIRONMENT
卷 44, 期 4, 页码 1059-1071出版社
WILEY
DOI: 10.1111/pce.14011
关键词
cooperative behaviour; crop breeding; group performance; inclusive fitness; kin discrimination; kin selection; plant communication; resource competition; root exudates; root interaction
资金
- Six Talent Peaks Program of Jiangsu Province [TD-XYDXX-006]
- National Natural Science Foundation of China [32071526]
- Wageningen University
The phenomenon of kin recognition in plants can have significant implications for the evolution of plant traits, diversity of plant populations, ecological networks, and community structures. Kin selection may result in improved population performance, offering potential promise for crop breeding.
The phenomenon that organisms can distinguish genetically related individuals from strangers (i.e., kin recognition) and exhibit more cooperative behaviours towards their relatives (i.e., positive kin discrimination) has been documented in a wide variety of organisms. However, its occurrence in plants has been considered only recently. Despite the concerns about some methodologies used to document kin recognition, there is sufficient evidence to state that it exists in plants. Effects of kin recognition go well beyond reducing resource competition between related plants and involve interactions with symbionts (e.g., mycorrhizal networks). Kin recognition thus likely has important implications for evolution of plant traits, diversity of plant populations, ecological networks and community structures. Moreover, as kin selection may result in less competitive traits and thus greater population performance, it holds potential promise for crop breeding. Exploration of these evo-ecological and agricultural implications requires adequate control and measurements of relatedness, sufficient replication at genotypic level and comprehensive measurements of performance/fitness effects of kin discrimination. The primary questions that need to be answered are: when, where and by how much positive kin discrimination improves population performance.
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