The server is under maintenance between 08:00 to 12:00 (GMT+08:00), and please visit later.
We apologize for any inconvenience caused
Login  | Sign Up  |  Oriprobe Inc. Feed
China/Asia On Demand
Journal Articles
Laws/Policies/Regulations
Companies/Products
Bookmark and Share
yi zhong jian yi de shui dao za jiao ji shu
Author(s): 
Pages: 28
Year: Issue:  Z2
Journal: Reclaiming and Rice Cultivation

Keyword:  杂交技术方法步骤大头针开花水稻杂交育种工作授粉良种育成暗影;
Abstract: <正> 我场科技组在水稻杂交育种工作中简化杂交技术,用一根别针或一支大头针、家用剪子,先后育成了吉良红、科珍4号、吉良11、12号等12个良种,本县其它单位采用此法的也育出了红农、红珍等良种。一、杂交方法步骤(一)透视选粒:晴天上午8点钟左右,把正抽穗的稻花对着太阳看,能清晰地见到三种暗影情况(图1):(1)是前一天已授粉的;(2)是今天还不能开花的,都可淘汰剪去;只有(3)方形暗影在上端的,标志着当天将开花,应把它留下。这样一穗只留8—9粒或20—30
Related Articles
No related articles found