农学学报2025，Vol.15Issue(5)：7-11,5.
国审玉米新品种'浚单996'丰产性、稳产性及适应性分析
Analysis of High Yield,Stable Yield and Adaptability of New National Approval Maize Variety'Xundan 996'
摘要
Abstract
In order to comprehensively understand the production characteristics and application value of the national approved maize variety'Xundan 996',the high yield,stability and adaptability of'Xundan 996'were statistically analyzed by means of yield average,coefficient of variation,high stability coefficient,and regression coefficient using the data of the regional test and production test in Huang-Huai-Hai summer maize area from 2019 to 2020.The results showed that the average regional trial yield and production trial yield of'Xundan 996'were 10431.8 kg/hm2 and 9904.5 kg/hm2,increasing by 3.6%and 4.6%compared with the control'Zhengdan 958',respectively.In the 2-year regional test,the coefficient of variation of yield was 16.73%and 12.91%,both lower than the control.The high stability coefficients were 78.29%and 82.21%,respectively,which were both higher than the control.The regression coefficients were 0.9440 and 0.9398,which were both less than 1 and lower than that of the control.The yield increase rates were 64.1%and 82.1%,respectively.Meanwhile,the trial results indicate that'Xundan 996'has good lodging resistance,disease resistance,and high temperature tolerance.Comprehensive analysis shows that'Xundan 996'is a new maize variety with high and stable yield,wide adaptability,and strong stress resistance,which is suitable for large area planting in the summer maize area of Huang-Huai-Hai.关键词
玉米/'浚单996'/丰产性/稳产性/适应性Key words
maize/'Xundan 996'/high yield/stable yield/adaptability分类
农业科技引用本文复制引用
靳海蕾,章慧玉,张志方,徐国举,王良发..国审玉米新品种'浚单996'丰产性、稳产性及适应性分析[J].农学学报,2025,15(5):7-11,5.基金项目
河南省现代农业产业技术体系建设专项"河南省玉米产业技术体系-鹤壁综合试验站"(HARS-22-02-Z1) （HARS-22-02-Z1）
鹤壁市重大科技专项"抗病优质高出籽率玉米种质资源的创制和新品种选育"(鹤财办预[2022]698号). （鹤财办预[2022]698号）
