Potential role of kin selection in the transition from vegetative to reproductive allocation in plants

IF 3 2区 环境科学与生态学 Q2 ECOLOGY
Renfei Chen, Cenxi Shi, L. Zhang, Chengyi Tu, J. Weiner
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引用次数: 0

Abstract

According to the original optimal reproductive allocation theory, plants should shift from vegetative growth to reproductive allocation abruptly and completely. Some plants do this, and it is also considered a good strategy for crop plants to maximize yield, but most plants shift gradually. Modified versions of the theory predict such a gradual transition from growth to reproduction. We hypothesize that kin selection can also alter the predictions of optimal allocation theory. We investigated the theoretical implications of both positive and negative kin selection on the timing of plant reproductive development using mathematical models. Under reasonable assumptions of costs and benefits, plants under kin selection are more likely to shift from growth to reproduction in an abrupt way when the initial value of the ratio between reproductive and vegetative biomass is high. Supported by empirical observations, our theoretical predictions have important implications in linking life history and energy allocation as well as for improving yields in agriculture.
亲缘选择在植物营养分配向生殖分配过渡中的潜在作用
根据最初的最优生殖分配理论,植物应该突然而完全地从营养生长转向生殖分配。一些植物会这样做,这也被认为是作物实现产量最大化的好策略,但大多数植物会逐渐改变。该理论的修改版本预测了从生长到繁殖的逐渐转变。我们假设亲属选择也可以改变最优分配理论的预测。我们使用数学模型研究了正向和负向亲属选择对植物生殖发育时间的理论影响。在成本和效益的合理假设下,当繁殖生物量和营养生物量之比的初始值较高时,亲缘关系选择下的植物更有可能以突然的方式从生长转向繁殖。在经验观察的支持下,我们的理论预测在联系生命史和能源分配以及提高农业产量方面具有重要意义。
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来源期刊
Journal of Plant Ecology
Journal of Plant Ecology 生物-植物科学
CiteScore
4.60
自引率
18.50%
发文量
134
审稿时长
3 months
期刊介绍: Journal of Plant Ecology (JPE) serves as an important medium for ecologists to present research findings and discuss challenging issues in the broad field of plants and their interactions with biotic and abiotic environment. The JPE will cover all aspects of plant ecology, including plant ecophysiology, population ecology, community ecology, ecosystem ecology and landscape ecology as well as conservation ecology, evolutionary ecology, and theoretical ecology.
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