Tolerance to insect herbivory increases with progressing plant development

IF 4.2 3区 生物学 Q1 PLANT SCIENCES Plant Biology Pub Date : 2024-12-25 DOI:10.1111/plb.13757
R. Gols
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植物对虫食的耐受性随着植物发育的进展而增强。
植物可以承受不同程度的损伤或通过再生来补偿组织损失,而不需要付出显著的适应成本。这种对昆虫食草的耐受性取决于植物的发育阶段,在此期间造成了损害,并取决于有多少组织被移除。对三种一年生芸苔属植物在不同强度的幼虫摄食下的个体发育阶段、营养发育阶段、出芽期和开花期的生物量和种子萌发率进行了测定。适应度成本随着损伤发生的个体发生阶段的进展而降低。营养植物和出芽植物取食分生组织限制了植物完全补偿组织损失的能力,而Sinapis arvensis和芸苔(Brassica nigra)取食花则可以完全补偿或过度补偿组织损失。草食促进了第二年种子的萌发,从而导致了对下一代的相对贡献的转变,代价是对长期存在的种子库的贡献。草食强度对黑曲霉的适合度相关因子有一定影响,对西西姆也有一定影响,但对红曲霉没有影响,这表明即使是亲缘关系密切的植物物种对草食的特定反应也会有所不同,从而对生殖输出产生不同的影响。就适应成本而言,一年生植物物种对草食的适应能力相当强。然而,它们容忍组织损失的程度取决于受到攻击的个体发育阶段。种子在土壤中的持久性被认为是短命物种增加长期适应性的一种下注对冲策略。草食动物引起的种子萌发变化可能导致种子对种子库和下一代的相对贡献发生变化。
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来源期刊
Plant Biology
Plant Biology 生物-植物科学
CiteScore
8.20
自引率
2.60%
发文量
109
审稿时长
3 months
期刊介绍: Plant Biology is an international journal of broad scope bringing together the different subdisciplines, such as physiology, molecular biology, cell biology, development, genetics, systematics, ecology, evolution, ecophysiology, plant-microbe interactions, and mycology. Plant Biology publishes original problem-oriented full-length research papers, short research papers, and review articles. Discussion of hot topics and provocative opinion articles are published under the heading Acute Views. From a multidisciplinary perspective, Plant Biology will provide a platform for publication, information and debate, encompassing all areas which fall within the scope of plant science.
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