{"title":"Negative shoot phototropism in a climber and an epiphyte","authors":"Tomasz P. Wyka","doi":"10.1111/btp.13357","DOIUrl":null,"url":null,"abstract":"<p>When a root-climber <i>Ficus pumila</i> and an epiphyte <i>Peperomia quadrangularis</i> were exposed to a light gradient, over 90% of the shoots grew away from light. This is the first demonstration of negative phototropism in these species. Whereas negative phototropism may help climbers locate support, its function in epiphytes remains uncertain.</p>","PeriodicalId":8982,"journal":{"name":"Biotropica","volume":"56 5","pages":""},"PeriodicalIF":1.8000,"publicationDate":"2024-07-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Biotropica","FirstCategoryId":"93","ListUrlMain":"https://onlinelibrary.wiley.com/doi/10.1111/btp.13357","RegionNum":3,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"ECOLOGY","Score":null,"Total":0}
引用次数: 0
Abstract
When a root-climber Ficus pumila and an epiphyte Peperomia quadrangularis were exposed to a light gradient, over 90% of the shoots grew away from light. This is the first demonstration of negative phototropism in these species. Whereas negative phototropism may help climbers locate support, its function in epiphytes remains uncertain.
期刊介绍：
Ranked by the ISI index, Biotropica is a highly regarded source of original research on the ecology, conservation and management of all tropical ecosystems, and on the evolution, behavior, and population biology of tropical organisms. Published on behalf of the Association of Tropical Biology and Conservation, the journal''s Special Issues and Special Sections quickly become indispensable references for researchers in the field. Biotropica publishes timely Papers, Reviews, Commentaries, and Insights. Commentaries generate thought-provoking ideas that frequently initiate fruitful debate and discussion, while Reviews provide authoritative and analytical overviews of topics of current conservation or ecological importance. The newly instituted category Insights replaces Short Communications.
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