摘要
从父母本花期的预测和调节,提高结实率的技术措施,严格去杂、去劣3个方面阐述了优质杂交粳稻津优29的制种技术。
The seed production techniques for japonica hybrid rice of three-line Jinyou29with good quality are elaborated from three aspects:1)the flowering stage predicting and adjusting for two par-ents,including planting stage and transplanting time ,predicting method of flowering stage and reg-ulating methods;2)the techniques steps for increasing setting percentage,row direction,row pro-portion of two parents,cutting leaves,spraying920,and assisting fertilizing;3)strictly dividing crossbreeds and cutting fault plants.
出处
《天津农业科学》
CAS
2002年第3期24-26,共3页
Tianjin Agricultural Sciences
基金
天津市重大农业攻关项目(993121211-3)
关键词
优质三次杂交粳稻
津优29
制种技术
japonica hybrid rice of three-line
seed production technique
good quality