甘蓝型三系杂交油菜秋播制种技术研究　Ⅲ.母本晚秋直播下父母本的适宜行比  

SEED PRODUCTION TECHNIQUE OF TERNARY HYBRID OF BASSICA NAPUS SOWING IN AUTUMN Ⅲ Row ratio between male and female parent at direct sowing in late Autumn for female parent

作　　者：侯国佐[1] 何惠萍[1] 高维洁[1] 

机构地区：[1]贵州省油料科学研究所

出　　处：《贵州农业科学》1997年第5期3-5,共3页Guizhou Agricultural Sciences

摘　　要：在父本于９月中旬育苗１０月中旬移栽，母本于１０月下旬直播，父母本行比采用１∶３和１∶４的情况下，制种群体表现出父本植株高大，父母本蕾花数之比为１∶２到１∶２．６，有利于授粉结实。制种的种子不育株率在１０．６％～１３．２％，制种产量达１０００～１０５０ｋｇ／ｈｍ２。Growing seedlings on the second ten daysof September, andtransplanting onthe secondten days of October for the male parent, and direct sowing on the last ten days of October for the female parent, and taking row ratio between two parents as 1∶3 and 1∶4, the plant of male parent shows tall, the flower bud ratio between male and female parent as 1∶2 to 1∶2 6, these are favorable for fertilizing and bearing Rate of sterile plant of hybrid seed is 10 6%～13 2% Yield of hybrid seed production reaches to 1000～1050 kg/ha

关 键 词：秋播 制种 行比 不育株率 甘蓝型油菜 三系杂交 

分 类 号：S565.403.5[农业科学—作物学]