农学学报2018，Vol.8Issue(2)：6-10,5.
湖南双季杂交晚稻对细菌性条斑病的田间抗性及条斑病发生动态
Field Resistance of Double-cropping Late Hybrid Rice to Bacterial Leaf Streak and Its Occurrence Dynamics in Hunan
摘要
Abstract
To explore the field resistance of double-cropping late hybrid rice to bacterial leaf streak(BLS)and its occurrence characteristics in Hunan, by systematic field investigation and statistic analysis from 2014 to 2016, we studied the occurrence of BLS in the double-cropping late hybrid rice fields and monitored the epidemic dynamics in Hunan,and created the curve graphs of occurrence dynamics and progress of BLS.The results showed that among twelve hybrid rice varieties,only four varieties'Shenliangyou 5814','Tianyou 3301','Xinrongyouhuazhan'and'Wuyou 308'had excellent resistance, and the other eight varieties were susceptible to BLS,which suggested that the field resistance of late hybrid rice to BLS in Hunan was very poor as a whole.The beginning phase of BLS appeared in the middle of August,approximately from August 11 to 15 and its epidemic peak periods were in the early and middle of September in Hunan.The above results would provide a scientific basis for timely preventing and controlling BLS of double-cropping late hybrid rice in Hunan.关键词
双季晚稻/杂交稻/细菌性条斑病/田间抗性/发生动态Key words
Double-cropping Late Rice/Hybrid Rice/Bacterial Leaf Streak/Field Resistance/Occurrence Dynamics分类
农业科技引用本文复制引用
肖友伦,李小娟,谭新球,陈新平,黄文平..湖南双季杂交晚稻对细菌性条斑病的田间抗性及条斑病发生动态[J].农学学报,2018,8(2):6-10,5.基金项目
公益性行业(农业)科研专项"作物细菌性病害防控技术研究与示范"(20130315). （农业）
