白背飞虱对水稻抗虫品种N22的适应性研究

应用生态学报 ›› 2003, Vol. ›› Issue (11): 1939-1942.

白背飞虱对水稻抗虫品种N₂₂的适应性研究

陈建明¹, 俞晓平¹, 吕仲贤¹, 陶林勇¹, 郑许松¹, 徐红星¹, 程家安²

1. 浙江省农业科学院植物保护研究所, 杭州 310021;
2. 浙江大学华家池校区植物保护系, 杭州 310029

收稿日期:2002-01-07 修回日期:2002-04-29 出版日期:2003-11-15
通讯作者: 陈建明,男,1963年生,在职博士生,副研究员,从事害虫综合治理研究,发表论文60余篇.E-mail:Chenjm63@yahoo.com.cn.
基金资助:
国家自然科学基金重点项目(39630200);中国水稻科学发展基金项目(970006);浙江省青年人才专项基金资助项目(RC97018)

Adaptation of Sogatella furcifera to insect-resistant rice variety N₂₂

CHEN Jianming¹, YU Xiaoping¹, LU Zhongxian¹, TAO linyong¹, ZHENG Xusong¹, XU Hongxing¹, CHENG Jia'an ²

1. Institute of Plant Protection, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, China;
2. Institute of Applied Entomology, Zhejiang University, Hangzhou 310029, China

Received:2002-01-07 Revised:2002-04-29 Online:2003-11-15

摘要/Abstract

摘要： 在室内连续用感虫品种TN₁和抗虫品种N₂₂单管饲养白背飞虱(Sogatella furcifera)种群,研究它对抗虫水稻品种的适应性及其体内保护酶的变化.结果表明,白背飞虱在感虫品种TN₁和抗虫品种N₂₂品种上饲养1至2代,其卵历期、若虫期和全世代历期均无明显差异.从感虫品种TN₁转移到抗虫品种N₂₂上饲养1代,白背飞虱的若虫存活率、雌成虫寿命、体重、蜜露量、产卵量和内禀增长率等均低于在抗虫品种上连续饲养2代,而后者又低于在感虫品种上饲养的指标.白背飞虱在抗虫品种上连续饲养2代后,体内保护酶中超氧化物岐化酶(SOD)和过氧化氢酶(CAT)活性逐渐接近于感虫品种上连续饲养的结果,说明白背飞虱从感虫品种转到抗虫品种在开始时并不适应,经过连续繁殖多代后白背飞虱逐渐适应,最后导致抗虫品种的抗性丧失.

Abstract: The adaptation of whitebacked planthopper (WBPH) Sogatella furcifera to insect-resistant rice variety N₂₂ and the variation of its protective enzyme were studied by rearing it successively two generations on N₂₂ and insect-susceptible rice variety TN₁ in laboratory. The results showed that after reared on TN₁ or N₂₂ for one or two generations, its egg period, nymphal duration, and total generation period had no significant difference. The ecological parameters, e.g., nymphal survival rate, body weight, amount of honey dew, egg number, and innate increasing rate of WBPH transferred from TN₁ to N₂₂ and reared for one generation were lower than those of WBPH reared on N₂₂ successively for two generations, and the latter was lower than that reared on TN₁. The activities of superoxide dismutase (SOD) and catalase (CAT) in protective enzyme system of the 2nd generation WBPHon N₂₂ were similar to those of the pest on TN₁, indicating that S. furcifera could adapt to insect-resistant variety N₂₂ after rearing it successively for several generations.

中图分类号:

S435.112

陈建明, 俞晓平, 吕仲贤, 陶林勇, 郑许松, 徐红星, 程家安. 白背飞虱对水稻抗虫品种N₂₂的适应性研究[J]. 应用生态学报, 2003, (11): 1939-1942.

CHEN Jianming, YU Xiaoping, LU Zhongxian, TAO linyong, ZHENG Xusong, XU Hongxing, CHENG Jia'an . Adaptation of Sogatella furcifera to insect-resistant rice variety N₂₂[J]. Chinese Journal of Applied Ecology, 2003, (11): 1939-1942.

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白背飞虱对水稻抗虫品种N₂₂的适应性研究

Adaptation of Sogatella furcifera to insect-resistant rice variety N₂₂

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