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耐受性减轻了胆汁效应,当易受植物未能引起诱导防御时

Janete Ferreira Andrade¹, Eduardo Soares Calixto², Guilherme Ramos Demetrio³

¹Department of Systematics and Ecology, Federal University of Paraíba, João Pessoa 58051-900, Paraíba, Brazil.

Plants (Basel, Switzerland)

|June 19, 2024

概括

植物对引起胆汁的昆虫的抵抗力并不总是意味着植物的表现更好. 易受影响的Bauhinia brevipes植物表现相似或更好,表明耐受性可能是关键的防御机制.

科学领域:

植物与昆虫的相互作用
化学生态化学生态学
进化生态学的进化生态学

背景情况:

植物对草食的防御机制对于生存至关重要.
诱导防御可以改变草食动物的表现和宿主植物的偏好.
宝希尼亚短虫表现出对引起胆汁的昆虫具有耐药性和易感性的表型.

研究的目的:

评估抗性和易受性 Bauhinia brevipes 现型对 Schizomyia macrocapillata 的表现.
为了测试对S. macrocapillata的耐药性与优越的宿主植物性能相关的假设.
研究植物架构,营养质量,不对称性和在各个本体遗传阶段的繁殖能力.

主要方法:

对抗性和易受性巴威尼亚短视种表型的比较分析.
评估植物结构,叶子的营养质量,波动的不对称性和生殖能力.
评估植物在三个本体遗传阶段的表现:种子,幼苗和幼苗.

主要成果:

植物或生殖表现没有显著差异,耐药和易受性成熟植物之间的不对称性也没有.
在叶子的营养质量和对S. macrocapillata的耐药性之间没有发现相关性.
易受植物表现同样好或比耐药植物更好,这与最初的假设相矛盾.

结论:

在B. brevipes中,植物对草食的耐受性和过度补偿可能涉及诱导防御.
耐受性在易受胆汁诱导昆虫的植物中起到二级防御层的作用.
植物防御的多层是有效的草食动物耐药性至关重要的.

关键词:

波希尼亚布雷维普斯 (Bauhinia brevipes) 是一种的植物.现象类型现象类型工厂的表现工厂的表现工厂诱导的防御系统跨世代的成功跨世代的成功

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