两系粳杂70优04高产制种技术  

Technique of Seed made High Yield on Hybrid Rice of 70 You 04

作　　者：刘平 

机构地区：[1]庐江县种子公司,安徽庐江231500

出　　处：《安徽农业技术师范学院学报》2000年第2期32-34,25,共4页

摘　　要：通过对两系杂交粳稻 70优 0 4制种实施“父本栽插苗数”、“父母本栽插行比”、“生物激素使用”和“父本偏施氮肥”四项试验 ,明确了该组合制种父本适宜栽插苗数为穴栽 2粒种子苗 ,行比以 2∶1 2为宜 ,九二○最佳用量为 2 40 g/hm2 。A male parent on hybrid rice of 70 You 04 was planted aprose with 2 seeds plant per point,row ratio of 2∶12,240g/hm 2 of “Jiu er Ling” dosage depent on the experiment of amount of sowing male parent plant,row ratio of male nad female parent,hormon treatment and suppling N for male and female parent.

关 键 词：杂交稻 制种技术 70优04 

分 类 号：S511.220.3[农业科学—作物学]