摘要
在玉米粗缩病大发生年份，结合品种比较、双列杂交及自交系选育，研究分析了发病与品种及栽培方式的关系。结果表明：春播玉米发病重于夏播玉米，套种（晚春播）发病最重；品种间发病率差异显著；亲本自交系间抗病性差异悬殊，且具一定的遗传性，选育抗病自交系，组配抗病杂交种十分必要。
The relationship between the Incidence of MRDV and the varieties and cultivated forms of corn were observed in the outbreak year of MRDV.The results indicated that the incidence of spring planting coin was higher than that of summer planting and especially that of the later spring planting was the highest,The difference between the varietal incidence was apparent.The difference between the resistance of inbred lines also was obvious and it had some certain heredity.It is important to breed resistant inbred lines and to combine resistant corn hybrid.
出处
《山西农业科学》
1995年第2期41-44,共4页
Journal of Shanxi Agricultural Sciences
关键词
玉米
粗缩病
自交系
配合力
抗病性
Nanismo ruvido(MRDV)
Inbred line
Combining ability
Disease-resistance
