添加会影响Capsicum annuum L中的花和植物性质,繁殖和传粉器性能
Rui Gao1, Baoshuang Hu1,2, Yibin Yuan3
1Ecological Security and Protection Key Laboratory of Sichuan Province, Mianyang Normal University, Mianyang 621000, China.
Annals of botany
|August 28, 2023
概括
添加对植物繁殖产生影响,最佳水平增强了花的特征,授粉者表现和果. 然而,过度的可以减少这些生殖益处.
科学领域:
- 生态生态学 生态生态学
- 植物生物学 植物生物学
- 环境科学 环境科学
背景情况:
- 众所周知, (N) 的添加会影响花的形态,花的奖励和传粉者的表现.
- 对于N添加对植物繁殖的影响,包括水果和种子,以及植物和植物性特征的理解有限.
研究的目的:
- 研究 (N) 添加对植物繁殖的影响,特别是果和种子在自和异花中.
- 检查N添加如何影响植物和植物特征和授粉者表现之间的关系.
主要方法:
- 一个使用 Capsicum annuum 暴露于三个 N 供应水平的 2 年实验: 0 g m-2 (对照), 4 g m-2 (4N) 和 16 g m-2 (16N).
- 测量包括花奖励,形态,表观,授粉者访问率,水果组和通过自我和交叉受精的种子组.
主要成果:
- 增加的N水平 (4N) 增强了植物生物质,花朵大小,花蜜/花粉产量,导致传粉者访问量和水果数量增加.
- 控制和高N (16N) 处理都减少了生物量,花朵大小和花蜜/花粉产量,减少了授粉者访问和果.
- 低添加 (4N) 与高种子组在交叉花中相关,而对照组和16N显示相反的趋势.
结论:
- 最佳的N水平 (4N) 可以改善花特征,授粉者表现和植物繁殖之间的相关性.
- 这些发现提供了关于植物与授粉者相互作用和植物适应沉积的见解.
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