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当前位置: 首页 > 文章 > 转cry1Ab基因水稻对拟水狼蛛捕食作用间接影响的评价 中国水稻科学 2003,17 (2)
Position: Home > Articles > Indirect Impact Assessment of Transgenic Rice with cry1Ab Gene on Predations by the Wolf Spider, Pirata subpiraticus Chinese Journal of Rice Science 2003,17 (2)

转cry1Ab基因水稻对拟水狼蛛捕食作用间接影响的评价

作  者：
刘志诚;叶恭银;傅强;张志涛;胡萃
单  位：
浙江大学应用昆虫学研究所;中国水稻研究所
关键词：
转基因水稻;cry1Ab基因;拟水狼蛛;稻纵卷叶螟;褐飞虱;捕食作用
摘  要：
室内评价了拟水狼蛛 (Pirata subpiraticus)对取食转 cry1Ab基因水稻的稻纵卷叶螟 (Cnaphalocrocis medinalis)幼虫和褐飞虱 (N ilaparvata lugens)若虫的捕食量及功能反应。结果表明 ,拟水狼蛛对这 2种猎物的捕食功能反应均符合Holling 型圆盘方程。该蜘蛛对取食转 cry1Ab基因水稻的稻纵卷叶螟幼虫的捕食量和处理时间低或短于取食对照的 ,但差异未达显著水平 ,而瞬时攻击率显著低于对照。该蜘蛛对以转 cry1Ab基因水稻为食的褐飞虱若虫的捕食量、瞬时攻击率和处理时间与取食对照的相比有一定的变化 ,但差异均不显著。综合考虑 ,认为转 cry1Ab基因水稻对拟水狼蛛捕食作用无明显的负作用。
译  名：
Indirect Impact Assessment of Transgenic Rice with cry1Ab Gene on Predations by the Wolf Spider, Pirata subpiraticus
作  者：
LIU Zhi cheng 1, YE Gong yin 1, FU Qiang 2, ZHANG Zhi tao 2, HU Cui 1 ( 1 Institute of Applied Entomology, Zhejiang University, Hangzhou 310029, China; 2China National Rice Research Institute, Hangzhou 310006, China)
关键词：
transgenic rice; cry1Ab gene; Pirata subpiraticus; Cnaphalocrocis medinalis; Nilaparvata lugens; predation
摘  要：
Predation amounts and functional responses by the wolf spider, Pirata subpiraticus on the rice leaffolder, Cnaphalocrocis medinalis, and the brown planthopper, Nilaparvata lugens, which were fed with transgenic rice with cry1Ab gene, were evaluated under laboratory conditions. Both on these two preys, functional responses by the spider followed the Holling “disc equation” for typeⅡresponse. When the larvae of the leaffolder fed with leaves of transgenic rice with cry1Ab gene were used as the prey, the killed amount and handling time by the spider were lower than those of the control, but the differences were not significant, whereas the attack constant performed significantly lower than that of the control. The killed amount and handling time as well as the attack constant by the spider showed some difference from those of the control, and these differences did not reach the significant level as the planthopper nymphs reared on the transgenic rice plants were as the preys. To consider the tested results, it may be drawn that there was no marked adverseness of transgenic rice with cry1Ab gene on the predation by the wolf spider.

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