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Plant Protection
1996,22
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杂交稻新组合抗优80对褐稻虱抗性的初步研究
作 者：
肖英方;邱光;顾正远;陈海新;问才干;丁伦友
单 位：
江苏省高邮市植保站;南京农业大学农学系;江苏省农科院植保所
关键词：
杂交稻抗优80;抗性;褐稻虱
摘 要：
通过对褐稻虱苗期抗性测定,杂交稻新组合抗优80对褐稻虱表现抗性,抗性级别为1.0级,对褐稻虱存活率、取食量、种群建立等有很强的抑制作用;田间系统调查,抗优80上的虫量仅为感性品种汕优63上的1/7～1/20。因此,在褐稻虱中等或偏重发生年,抗优80上的虫量达不到防治指标,不需进行防治。
译 名：
Resistance of a New Hybrid Rice Variety "Kangyou 80" to Brown Planthopper.
作 者：
Xiao Yingfang QuGuang Gu Zhengyuan (Jiangsu Academy of Agric. Sciences, Institute of Plant Protection, Nanjing 210014) Chen Haixin Wen Caigan (Gaoyou Station of Plant Protection,jiangsu) Ding Lunyou (Nanjing Agric. University).
关键词：
摘 要：
The resistance of "Kangyou 80" to brown planthopper (BPH), (Lilaparvata lugens") was studied. Experiment showed that "Kangyou 80" had obivously effect on feeding,surival.population built-up of BPH and the grade of resistance was 1. 0 in seedling stage. Population density on "Kangyou 80" were 1/7-1/20 as on susceptible variety in field. Thus, it is unnessary to control BPH on the new variety of "Kangyou 80" in the years of medium population densities.
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