摘要
“优丰”是由罗卡 /6 36 6 //812 0 84 /812 0 85复交选育而成的中熟晚粳良种。其特点是产量高而稳 ,一般产量 7.8～ 8.2 5t/hm2 ,高产栽培可达 9/hm2 以上 ;米质优 ,食味佳 ,经检测其 8项指标达国家优质米一级标准 ,两项为 2级标准 ;既抗稻瘟病又抗白叶枯病且抗谱广 ;它能育秧栽插 ,还能用于直播和抛秧栽培。是一个单晚和双晚兼用型品种。目前正在推广之中且面积迅速扩大。
Youfeng'is a medium maturing late japonica rice variety selected and developed from the progeny of the cross'LuoKa/6366/812084/812085'.It is mainly characterized by high yield,desirable quality and strong resistance to rice BL and BB.When planted as single season late rice,the yield of'Youfeng'is 7.8～8.25t/hm 2 and its high yield could be over than 9t/hm 2.It shows high resistance to rice blast and bacterial blight with wide adaptability.In addition,the quality of'Youfeng'is up to the lst grade standards of high grain quality rice issued by the Agriculture Ministry in brown rice rate,milled rice rate,complete milled rice rate,grain form,transparency,alkali digestion value,gel consistency,protein content and to the second grade standards in chalk degree and amylose content.'Youfeng'yields well when grown by way of transplanting as well as by way of direct seedling and seedling casting.It can be used in single season late rice and double season late rice.
出处
《上海农业学报》
CSCD
2001年第4期25-30,共6页
Acta Agriculturae Shanghai
基金
上海市科技兴农重点攻关项目 (农科攻字 97 1 0 1)
关键词
水稻
粳稻
良种
育种
选育
优丰
Rice variety'Youfeng'
High yield
Desirable grain quality
BL and BB resistance
