灰色关联度法在湖北省稻虾专用优质水稻品种筛选中的应用

Application of Grey Correlation Degree Analysis in Screening of Special Rice Varieties for Rice-Shrimp in Hubei Province

以福稻88、鄂香2号等20个优质水稻品种为供试材料,选取11个数量指标为评价因子,采用灰色关联度法分析适合稻虾共作优质水稻品种各性状对该品种适宜性的影响,综合评价品种在稻虾模式中适宜性的优劣,以期为稻虾共作模式下优质水稻育种和农技推广提供科学依据。结果表明,供试20个品种中,有6个品种与参考品种加权关联度较大,推荐为适合稻虾共作模式的优质水稻品种。

Taking Fudao88,Exiang No2 high quality rice varieties as materials,such as selection of 11 quantitative index as evaluation factors,using the grey correlation method,the effects of various characters on the suitability of the rice variety were analyzed,and the suitability of the variety in the model of rice shrimp was evaluated comprehensively,so as to provide scientific basis for the breeding of high quality rice and the popularization of agricultural technology in the model of rice shrimp co-cropping.The results showed that among the tested 20 rice varieties,6 varieties had the greater weighting correlative degree with the reference variety,and they were suitable to be used for rice-shrimp co-production model.