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中国农学通报 ›› 2009, Vol. 25 ›› Issue (5): 218-222.

所属专题: 水稻

• 植物保护 农药 • 上一篇    下一篇

南充市水稻稻瘟病重发成因及治理对策

杜晓宇,丁 攀,陈晓娟,段志康   

  • 收稿日期:2008-12-08 修回日期:2009-01-16 出版日期:2009-03-05 发布日期:2009-03-05

Occurrence Determinants of Rice Blast in Nanchong and Its Control Measures

Du Xiaoyu, Ding Pan, Chen Xiaojuan, Duan Zhikang   

  • Received:2008-12-08 Revised:2009-01-16 Online:2009-03-05 Published:2009-03-05

摘要: 笔者对1998—2007年南充市水稻稻瘟病大田普查和系统调查分析发现,水稻品种抗瘟性对稻瘟病发生与否起着决定性作用,本地菌源量多少决定发生流行早迟,适宜气候条件有利于加重流行强度和为害程度,适时防控可减轻稻瘟病为害和流行。通过近年来示范实践,提出了相应的治理对策。

关键词: 小拟南芥, 小拟南芥, 光照强度, 可塑性, 生理生化特性

Abstract: Rice blast in Nanchong has been general and system investigated in 1998~2007. The results showed that the occurrence determinants included resistance of rice variety, local pathogen, weather condition and control level. And the control measures were put forward in this paper.