影响棉花烂铃因素的灰色关联度分析

Analysis of Grey Correlative Degree on Factors Affecting Cotton Boll Rot

应用灰色关联度分析的原理和方法,对黄河流域棉区直播棉烂铃流行系统进行分析,结果表明,烂铃流行期间,雨日、雨量和菌源基数是影响烂铃流行势的主导因素。

Applying the principles and methods of grey correlative degree, epidemic system of cotton boll rot in yellow river basin was analyzed. The result showed that days of rainfall, rainfall and basic number of germs were the main factors that affecting cotton boll rot.