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Title: Vines avoid coiling around neighbouring plants infested by polyphagous mites
Authors: Nakai, Tomoya
Yano, Shuichi
Author's alias: 中井, 友也
矢野, 修一
Keywords: Agroecology
Behavioural ecology
Issue Date: 29-Apr-2019
Publisher: Springer Science and Business Media LLC
Journal title: Scientific Reports
Volume: 9
Thesis number: 6589
Abstract: Vines that coil around plants heavily infested with ambulate polyphagous mites can be heavily damaged by the mites. To explore whether vines avoid mite-infested plants, we observed the coiling responses of morning glory (Ipomoea nil var. Heavenly Blue) vines and bush killer (Cayratia japonica (Thunb) Gagnep) tendrils around nearby kidney bean (Phaseolus vulgaris L.) plants that were either uninfested or heavily infested with the two-spotted spider mite (Tetranychus urticae Koch). The proportions of I. nil vines that coiled around spider mite-infested and uninfested bean plants did not differ significantly; however, no C. japonica tendril coiled around spider mite-infested plants. The proportion of such tendrils was thus significantly lower than that around uninfested plants. The ability of C. japonica tendrils to avoid spider mite-infested plants would prevent serious “contact infections” by mites. We further found that tendril avoidance seemed to be attributable to the mite webs that covered infested plants; neither spider mite-induced bean volatiles nor spider mite intrusion onto tendrils seemed to explain the avoidance.
Description: つる草はハダニがいる植物には巻き付かないことを発見 --歩行性害虫の「接触感染」を避ける術--. 京都大学プレスリリース. 2019-05-08.
Rights: © The Author(s) 2019. This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.
URI: http://hdl.handle.net/2433/241120
DOI(Published Version): 10.1038/s41598-019-43101-0
PubMed ID: 31036874
Related Link: http://www.kyoto-u.ac.jp/ja/research/research_results/2019/190429_1.html
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