Off-target drift of the herbicide dicamba disrupts plant–pollinator interactions via novel pathways

IF 8.1 1区 生物学 Q1 PLANT SCIENCES New Phytologist Pub Date : 2025-01-31 DOI:10.1111/nph.20438
Regina S. Baucom, Veronica Iriart, Anah Soble, Matthew R. Armstrong, Tia-Lynn Ashman
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除草剂麦草畏的脱靶漂移通过新的途径破坏了植物与传粉者的相互作用。
虽然除草剂在农业中的使用预计会对周围的杂草群落产生许多影响,但在很大程度上尚不清楚植物暴露于亚致死剂量的除草剂如何随后影响植物与传粉媒介的相互作用。我们测试了亚致死除草剂暴露通过改变植物性状间接改变植物与传粉者相互作用的假设,特别是通过改变花的展示。通过一个普通的园艺实验,我们将11种杂草暴露在除草剂麦草畏中,并研究了传粉媒介丰度和传粉媒介访问模式的变化以及植物性状的变化。结果表明,麦草畏对植物的危害程度、大小、花期、花期等存在差异,部分植物对麦草畏的影响较大,部分植物对麦草畏的影响较小。在麦草畏暴露的样地,传粉者的频率减少,传粉者的访问减少了一些杂草物种,而其他杂草物种没有。结构方程模型表明,麦草畏的存在破坏了开花和传粉者访花的关系。我们的研究提供了迄今为止除草剂漂移对植物-传粉者相互作用影响的最全面的图景,研究结果突出了杂草群落提供的服务的未被充分认识的作用。
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来源期刊
New Phytologist
New Phytologist 生物-植物科学
自引率
5.30%
发文量
728
期刊介绍: New Phytologist is an international electronic journal published 24 times a year. It is owned by the New Phytologist Foundation, a non-profit-making charitable organization dedicated to promoting plant science. The journal publishes excellent, novel, rigorous, and timely research and scholarship in plant science and its applications. The articles cover topics in five sections: Physiology & Development, Environment, Interaction, Evolution, and Transformative Plant Biotechnology. These sections encompass intracellular processes, global environmental change, and encourage cross-disciplinary approaches. The journal recognizes the use of techniques from molecular and cell biology, functional genomics, modeling, and system-based approaches in plant science. Abstracting and Indexing Information for New Phytologist includes Academic Search, AgBiotech News & Information, Agroforestry Abstracts, Biochemistry & Biophysics Citation Index, Botanical Pesticides, CAB Abstracts®, Environment Index, Global Health, and Plant Breeding Abstracts, and others.
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