Application of Grey Situation Decision-making in Evaluation of Rice New Varieties

According to grey situation decision-making principle,using objective weighting,13 agronomic traits in japonica rice regional experiment in middle and north part of Yunnan Province during 1999-2000 were analyzed,as well as 13 tested varieties performance.The results showed that,grey situation decision-making method is a comprehensive quantization analysis method for rice varieties,which can objectively evaluate the advantages and disadvantages of each rice variety and make up for the variance analysis method.