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中国农学通报

中国农学通报 ›› 2010, Vol. 26 ›› Issue (2): 226-229.

所属专题： 水稻

• 植物保护 农药 • 上一篇    下一篇

环境因子对黑龙江省水稻品种抗纹枯病的影响

马军韬,张国民,辛爱华,肖佳雷,刘迎雪,宫秀杰   

  • 收稿日期:2009-02-16 修回日期:2009-05-16 出版日期:2010-01-20 发布日期:2010-01-20

The influence of rice varieties of resistance to rice sheath blight from environmental facters in Heilongjiang province

  • Received:2009-02-16 Revised:2009-05-16 Online:2010-01-20 Published:2010-01-20

PDF (PC)

577

摘要：

本文从氮肥施用量、不同地区病菌致病力、同一地区品种发病率等角度明确了环境因子对水稻品种抗纹枯病的影响，明确了氮肥施用量与纹枯病发生程度的关系、不同地区间病菌致病力的差异以及同一地区品种间发病率的差异，为解决生产问题提供借鉴。

关键词: 人工神经网络, 人工神经网络, 遗传算法, 模拟退火, 水稻虫害预测

Abstract:

The article analysised the influence of environmental facters from three aspects:the employ amounts of nitrogen feitilizer、the disease power of rice sheath blight from diffenent regions、the morbidity of rice sheath blight of rice varieties from same region.The results telled us three contents:the relation of employ amounts of nitrogen feitilizer and extend of rice sheath blight、the discrepancy of the disease power of rice sheath blight from diffenent regions、the discrepancy of the morbidity of rice sheath blight of rice varieties from same region.The results offered information for resolve the production questions.