灰色关联度在水稻纹枯病引起的产量损失分析上的应用  

The Application of Grey-relation Analysis to Loss Rate Callsed by Rice Sheach Blight

作　　者：李熙英[1] 吕龙石[1] 李桂花[1] 权成武[1] 

机构地区：[1]延边大学农学院农学系

出　　处：《延边大学农学学报》1997年第4期219-222,共4页Agricultural Science Journal of Yanbian University

摘　　要：对水稻纹枯病不同病级之间产量损失原因的灰色关税分析结果表明：引起水稻纹枯病不同病级之间产量损失的最主要原因是结实率的下降。According to Grey Relation analysis, yield loss caused by different level of rice sheachblight was analysed. The result showed: The yield loss caused by different level of rice sheachblight mainly related to the decrease of growth rate, it also had relation with the decrease ofthousand grains weight.

关 键 词：灰色关联度 水稻 纹枯病 产量损失 

分 类 号：S435.111.4[农业科学—农业昆虫与害虫防治]