基于灰色关联度分析的辽宁阜新地区玉米品种评价

Evaluation of Maize Variety in Fuxin of Liaoning on Based Grey Relational Analysis

品种是影响玉米高产的主要因素之一,不同区域选择适宜的品种对玉米高产有着重要意义。针对辽宁阜新地区品种混杂多样的特点,在2年试验数据的基础上,采用灰色关联度分析方法对该区域12个主栽玉米品种进行了评价。结果表明:辽单565、郑单958、沈玉21、金玉228、良玉11、世宾28、辽单632、沈农T19、东亚56、铁丰88、东单90、登海3686的关联度分别为0.8999,0.8520,0.8271,0.8257,0.7863,0.7761,0.7592,0.7584,0.7505,0.7490,0.7371,0.7136,说明适宜阜新地区的玉米品种为辽单565、良玉11、金玉228和郑单958。

The variety is one of the main factors affecting maize yield,so choosing suitable variety is significant to the high yield in different areas.In view of the various characteristics of maize varieties in Fuxin,based on the two years＇ experiment data,this article evaluated twelve maize varieties using the grey relational analysis method.The results showed that the variety grey relational degrees of Liaodan565,Zhengdan958,Shenyu21,Jinyu228,Liangyu11,Shibin28,Liaodan632,ShennongT19,Dongya56,Tiefeng88,Dongdan90,Denghai3686 were 0.8999,0.8520,0.8271,0.8257,0.7863,0.7761,0.7592,0.7584,0.7505,0.7490,0.7371,0.7136,respectively.The suitable maize varieties were Liaodan565,Liangyu21 and Jinyu228,Zhengdan958 in Fuxin.