玉米隆平206高产制种技术

目的]为隆平206的大面积推广应用提供制种基础.方法]介绍隆平206的特征特性,总结其高产制种技术.结果]首先介绍基地的选择与管理及隔离条件,然后论述了制种生产的技术措施,包括播种前的准备、种植方式与密度、播种时间和方法、放苗、间苗、定苗、花期预测与调节、人工辅助授粉、追肥和浇水、病虫害防治,最后分析了制种生产中的保质措施,包括去杂和去雄技术、割除父本、收获适期及及时晾晒、脱粒、烘干以防止机械混杂.结论]该研究可为隆平206高产制种提供科学依据.

High-yield Seed Production Technology of Maize Variety Longping 206

Objective] The aim was to provide the seed production basis for promotion and application in a large scale of Longping 206.Method] The characteristics of Longping 206 was introduced,and then summed up its high-yield seed production technology.Result] Firstly,the base selection and management,and isolation conditions were introduced,secondly,the seed production technology measures were discussed,including preparation before seed sowing,planting ways and density,sowing time,dredging the seedlings,thinning out seedlings,final singling of seedlings,flowering prediction and regulation,artificial supplementary pollination,additional fertilizer and water irrigation,pest control and prevention,finally,the quality safeguard measures during seed production were analyzed,including eliminating false seeds and emasculation technology,cutting out the male parent,the suitable harvest period,sun-cure,seed extraction,drying timely to prevent mechanical mixing.Conclusion] The study provides a scientific basis for high-yield seed production of Longping 206.