高抗虫玉米内生真菌对玉米蚜生长、繁殖及取食选择的影响

doi:10.16409/j.cnki.2095-039x.2019.06.002

中国生物防治学报 ›› 2020, Vol. 36 ›› Issue (2): 184-188.DOI: 10.16409/j.cnki.2095-039x.2019.06.002

高抗虫玉米内生真菌对玉米蚜生长、繁殖及取食选择的影响

孙艺昕^1,2, 门兴元¹, 李超¹, 于毅¹, 吕素洪¹, 孙廷林¹, 叶保华², 李丽莉¹

1. 山东省农业科学院植物保护研究所/山东省植物病毒学重点实验室, 济南 250100;
2. 山东农业大学植物保护学院, 泰安 271018

收稿日期:2019-07-11 出版日期:2020-04-08 发布日期:2020-04-16
通讯作者: 李丽莉,副研究员,E-mail:zbsli3@163.com;叶保华,副教授,E-mail:baohua@sdau.edu.cn
作者简介:孙艺昕,硕士研究生,E-mail:18763826038@163.com
基金资助:
国家重点研发计划（2018YFD0200603）；山东省农科院创新工程（CXGC2019G01）；（CXGC2016A09）

Effects of Highly Insect Resistant Corn Endophytic Fungi on Growth, Reproduction and Feeding Preference of Rhopalosiphum maidis

SUN Yixin^1,2, MEN Xingyuan¹, LI Chao¹, YU Yi¹, Lü Suhong¹, SUN Tinglin¹, YE Baohua², LI Lili¹

1. Key Laboratory for Plant Virology of Shandong, Shandong Academy of Agricultural Sciences, Jinan 250100, China;
2. College of Plant Protection, Shandong Agricultural University, Tai'an 271018, China

Received:2019-07-11 Online:2020-04-08 Published:2020-04-16

摘要/Abstract

摘要： 植物内生菌普遍存在于健康植物组织或器官内，可通过自身的代谢产物或信号传导作用促进植物生长、增强宿主植物抗病虫性、抗胁迫性等。为明确前期筛选出的高抗虫玉米内生真菌YC1、GX5、YB8、YB15对玉米蚜生长繁殖的影响，室内测定了玉米蚜取食不同菌株种子处理的玉米后存活、繁殖以及对接种不同菌株玉米的取食选择。结果显示，取食菌株处理玉米后，玉米蚜产雌历期显著低于对照；产雌量、净增殖率、世代平均寿命、内禀增长力、周限增长率均低于对照，但差异不显著。取食选择试验结果表明，选择YC1、GX5、YB8、YB15处理组玉米的玉米蚜比例分别为17.52%、19.02%、19.34%和18.84%，均显著低于对照组25.28%。说明这4株玉米内生真菌对玉米蚜的生长繁殖有不利影响，且对玉米蚜有趋避作用。

关键词: 玉米蚜, 玉米内生菌, 生活史, 取食选择

Abstract: Endophytic fungi are generally found in healthy plant tissues or organs. Some of them can promote plant growth through their own metabolites or signal transduction, and enhance the host plants resistance to diseases, insects, stress and so on. The present experiment aimed to study the effects of endophytic fungi YC1, GX5, YB8 and YB15 on the growth and reproduction of Rhopalosiphum maidis. Survival and reproduction of R. maidis fed on corn treated with different fungal strains and feeding preference of R. maidis to corn inoculated with different strains were determined under laboratory conditions. The results showed that all the fungis significantly reduced reproduction periods of R. maidis, and the number of nympns per aphid, net reproductive rate, mean generation time, intrinsic rate of increase and finite rate of increase of R. maidis were redused, but the difference was not significant. The proportions of R. maidis preferring corn treated with YC1, GX5, YB8 and YB15 were 17.52%, 19.02%, 19.34% and 18.84%, respectively, which were all significantly lower than preference for the control group (25.28%). The results showed that these four endophytic fungi had adverse effects on the growth, reproduction and feeding preference of R. maidis.

Key words: Rhopalosiphum maidis, corn endophyte, life table, feeding selection

中图分类号:

S476.1

孙艺昕, 门兴元, 李超, 于毅, 吕素洪, 孙廷林, 叶保华, 李丽莉. 高抗虫玉米内生真菌对玉米蚜生长、繁殖及取食选择的影响[J]. 中国生物防治学报, 2020, 36(2): 184-188.

SUN Yixin, MEN Xingyuan, LI Chao, YU Yi, Lü Suhong, SUN Tinglin, YE Baohua, LI Lili. Effects of Highly Insect Resistant Corn Endophytic Fungi on Growth, Reproduction and Feeding Preference of Rhopalosiphum maidis[J]. Chinese Journal Of Biological Control, 2020, 36(2): 184-188.

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高抗虫玉米内生真菌对玉米蚜生长、繁殖及取食选择的影响

Effects of Highly Insect Resistant Corn Endophytic Fungi on Growth, Reproduction and Feeding Preference of Rhopalosiphum maidis

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