混植水稻抗虫和感虫材料抑制白背飞虱发生的初步研究

中国水稻科学

混植水稻抗虫和感虫材料抑制白背飞虱发生的初步研究

刘光杰1；陈仕高2；王敬宇3；沈君辉1；寒川一成4；谢雪梅2

1中国水稻研究所国家水稻改良中心，浙江杭州 310006； E-mail: liug@mail.hz.zj.cn; 2重庆市秀山县植保植检站，重庆秀山 409900；3安徽农业大学植物保护系，安徽合肥 230036； 4日本国际农林水产业研究中心，日本筑波 305-8686；5重庆市植保植检站，重庆 400020

收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:2003-05-30 发布日期:2003-05-30

Preliminary Study on Suppression of the Whitebacked Planthopper, Sogatella furcifera by Cultivating the Mixture of the Resistant and Susceptible Rice Varieties

LIU Guang-jie¹; CHEN Shi-gao ²; WANG Jing-yu ³; SHEN Jun-hui ¹; SOGAWA Kazushige ⁴; XIE Xue-mei ²; QIAO Qing-chun ²; PU Zheng-guo ²; SHI Dun-gui ²; LIU Xiang-gui ⁵

（ ¹Chinese National Center for Rice Improvement; China National Rice Research Institute; Hangzhou 310006; China; ²Xiushan Station of Plant Protection and Quarantine; Chongqing 409900; ³Department of Plant Protection; Anhui Agricultural University; Hefei 230036; ⁴Japan International Research Center for Agricultural Sciences, Tsukuba 305-8686, Japan; ⁵Chongqing Station of Plant Protection and Quarantine, Chongqing 400020, China)

Received:1900-01-01 Revised:1900-01-01 Online:2003-05-30 Published:2003-05-30

摘要/Abstract

摘要： 以与浙辐802成对的、具有Rathu Heenati抗白背飞虱基因的近等基因系“浙抗”，以及以2∶1比例混合“浙抗”与浙辐802种子构成的抗感白背飞虱混合群体“浙混”为材料，采用田间白背飞虱的种群调查和水稻产量及千粒重的测定，结合室内蜜露量、产卵量和卵发育率的测定，研究了混植抗感白背飞虱近等基因系材料对白背飞虱的控制效果。试验结果表明，“浙混”上的成虫及若虫数量均与在抗虫的RHT和“浙抗”上的相近，分别是在感虫的浙辐802和TN1上的1/2和1/4～1/5。白背飞虱在“浙混”和“浙抗”上分泌的蜜露量分别为9.03和6.97 mg/♀·d，显著地低于在浙辐802(17.64 mg/♀·d)和TN1(19.14 mg/♀·d)上的。白背飞虱在“浙混”与“浙抗”、浙辐802与TN1上的产卵量和卵发育率都没有显著性差异。与“浙抗”相比，“浙混”和浙辐802的稻谷产量分别增加了1.17%和减少了19.11%，“浙混”和浙辐802的千粒重分别减少了257%和9.84%。因此，混植抗感白背飞虱水稻材料可以有效地抑制白背飞虱的发生，还可以保证水稻产量不受损失。

关键词: 白背飞虱, 近等基因系, 混植, 抗虫性

Abstract: Zhekang, a near isogenic line with the resistant gene from the rice variety Rathu Heenati in pair with the variety Zhefu 802, and Zhehun, the mixture of Zhekang (resistant) and Zhefu 802 (susceptible) to Sogatella furcifera by mixing rice seeds in the ratio of 2 (Zhekang)∶1 (Zhefu 802), were used in the experiments. The effectiveness in suppression of Sogatella furcifera by planting of the mixture of the near isogenic lines with resistance and susceptibility was studied through field investigation of population dynamics of S. furcifera and measurement of honeydew excretion, number of eggs and percentage of egg developed, rice yields and 1000-grain weights. The results revealed that number of adults and nymphs of S. furcifera on Zhehun was similar with that on the resistant RHT and Zhekang, 1/2 and 1/4～1/5 less than on susceptible Zhefu 802 and TN1, respectively. Honeydew excreted by S. furcifera on Zhehun and Zhekang was 9.03 mg/♀·d and 6.97 mg/♀·d, respectively, significantly lower than that on Zhefu 802 (17.64 mg/♀·d) and TN1(19.14 mg/♀·d). There were no significant differences in total number of eggs and percentage of egg developed between Zhehun and Zhekang, and between Zhehun and Zhefu 802 and TN1. In compared with Zhekang, the yield of Zhehun increased by 1.17%, whereas the yield of Zhefu 802 decreased by 19.11%; the 1000-grain weights of Zhehun and Zhefu 802 decreased by 2 57% and 9 84%, respectively. Therefore, planting the mixture of resistant and susceptible rice materials to S. furcifera could efficiently suppress the development of S. furcifera and secured rice yield without losses.

Key words: Sogatella furcifera, near isogenic line, mixture planting, varietal resistance, rice

刘光杰,陈仕高,王敬宇,沈君辉,寒川一成,谢雪梅. 混植水稻抗虫和感虫材料抑制白背飞虱发生的初步研究[J]. 中国水稻科学 2003,17(ZK): 103-107 . .

LIU Guang-jie ,CHEN Shi-gao ,WANG Jing-yu ,SHEN Jun-hui ,SOGAWA Kazushige ,XIE Xue-mei ,QIAO Qing-chun ,PU Zheng-guo ,SHI Dun-gui ,LIU Xiang-gui . Preliminary Study on Suppression of the Whitebacked Planthopper, Sogatella furcifera by Cultivating the Mixture of the Resistant and Susceptible Rice Varieties[J]. Chinese Journal of Rice Science 2003,17(ZK): 103-107 ..

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