田间转Bt基因水稻上稻飞虱卵量、孵化率及天敌作用

田间转Bt基因水稻上稻飞虱卵量、孵化率及天敌作用

高明清, 侯守鹏, 蒲德强, 时敏, 叶恭银, 彭于发, 陈学新

1. 浙江大学昆虫科学研究所, 农业部作物病虫分子生物学重点开放实验室, 水稻生物学国家重点实验室, 杭州 310029;
2.中国农业科学院植物保护研究所, 北京 100094

收稿日期:2010-09-20 出版日期:2011-04-20 发布日期:2011-04-20
通讯作者: 陈学新xxchen@zju.edu.cn E-mail:xxchen@zju.edu.cn
作者简介:高明清, 男, 1981年9月生, 福建福安人, 博士, 从事转基因植物对动植物生态安全性评价方向研究, E-mail: 10716079@zju.edu.cn
基金资助:
国家重点基础研究发展规划（“973”计划）项目(2007CB109202, 2001CB109004); 转基因生物新品种培育科技重大专项(2008ZX08011-006, 2009ZX08011-008B)

Effects of Bt rice on the number and hatch rate of planthopper eggs and their attack by natural enemies in paddy fields

GAO Ming-Qing, HOU Shou-Peng, PU De-Qiang, SHI Min, YE Gong-Yin, PENG Yu-Fa, CHEN Xue-Xin

1. State Key Laboratory of Rice Biology and Ministry of Agriculture Key Laboratory for Molecular Biology of Crop Insects and Pathogens, Institute of Insect Sciences, Zhejiang University, Hangzhou 310029, China; 2. Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100094, China

Received:2010-09-20 Online:2011-04-20 Published:2011-04-20
Contact: xxchen@zju.edu.cn E-mail:xxchen@zju.edu.cn
About author:10716079@zju.edu.cn

摘要/Abstract

摘要： 为了评估转基因水稻释放后对非靶标害虫及其天敌的影响, 本研究在浙江大学实验农场和中国水稻研究所实验农场2008和2009年连续两年监测了转Bt基因水稻对田间稻飞虱着卵量、卵孵化率、卵被捕食率、卵被寄生率和卵死亡率的影响。结果表明: 两年2个调查地点3个水稻品系（克螟稻1、克螟稻2和秀水11）上的稻飞虱平均每分蘖着卵量、卵孵化率、卵被捕食率和卵被寄生率的趋势基本一致, 而且田间3个水稻品系上稻飞虱卵量的高峰期均持续2周左右; 但是两年2个调查地点3个水稻品系上稻飞虱卵死亡率则没有一致的趋势。此外, 总体上3个水稻品系上稻飞虱平均每分蘖着卵量、卵孵化率、卵被捕食率、卵被寄生率和卵死亡率差异均不显著（P>0.05）。因此, 稻田中转Bt基因水稻对稻飞虱卵没有显著的影响。

关键词: 转Bt基因水稻, 稻飞虱, 着卵量, 孵化率, 被捕食率, 被寄生率, 天敌

Abstract: In order to assess the effects of transgenic rice on non-target pests and their natural enemies after release, a field study was conducted over 2 years to determine the effects of transgenic Bt rice on population dynamics, hatchability and mortality of planthoppers eggs and their attack (predation and parasitism) by natural enemies at the Experimental Farm of Zhejiang University and the Experimental Farm of China National Rice Research Institute in 2008 and 2009. The results showed that the trends of population dynamics and hatchability of planthopper eggs and their predation and parasitism rate were almost the same on the three different rice lines (Kemingdao1, Kemingdao2 and Xiushui11) at two experimental farms in 2 years. Moreover, the peak of number of planthopper eggs on all the three rice lines lasted about two weeks in paddy fields. However, no uniform trend of the mortality of planthopper eggs was found on the three rice lines at two experimental farms in 2 years. Furthermore, no significant difference was found on population dynamics, hatchability and mortality of planthoppers eggs and attacks (predation and parasitism) by natural enemies among the three rice lines in general (P>0.05). We so conclude that Bt rice does not significantly affect the eggs of planthoppers in paddy fields.

Key words: Transgenic Bt rice, planthopper, number of eggs, hatchability, predation, parasitism, natural enemies

中图分类号:

Q968

高明清, 侯守鹏, 蒲德强, 时敏, 叶恭银, 彭于发, 陈学新. 田间转Bt基因水稻上稻飞虱卵量、孵化率及天敌作用[J]. , 2011, 54(4): 467-476.

GAO Ming-Qing, HOU Shou-Peng, PU De-Qiang, SHI Min, YE Gong-Yin, PENG Yu-Fa, CHEN Xue-Xin. Effects of Bt rice on the number and hatch rate of planthopper eggs and their attack by natural enemies in paddy fields[J]. , 2011, 54(4): 467-476.

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