决定杂交稻种子质量的致命因素——田间散粉杂株(穗)率,检验把关的主要任务在田间。怎样搞好杂交水稻繁殖田和制种田的田间检验工作十分重要。根据我们近几年在杂交水稻繁殖与制种田开展田间检验工作的实践,亲本种源质量、识杂取杂能 Determining the quality of hybrid rice seeds of fatal factors - the field loose powder (spike) rate, check the main task in the field. How to do a good job of field testing of hybrid rice paddy fields and farming is very important. According to our practice in the fields of field experiment of breeding and breeding of hybrid rice in recent years, the quality of parental provenance,