期刊论文

Study on The Family Introduction Percentage of Rice Varieties and Corresponding Extention Way

中文

种子

1001-4705

1992

5

12-15

10.16590/j.cnki.1001-4705.1992.05.040

本校为第一机构

1990年,对湖南省12个县,780农户水稻品种入户率的调查指出,品种入户率的地域差异,平原地区最高,边远山区最低;杂交组合入户率高于常规稻品种。一个品种推广的使用周期,一般为8～10年。还对提高品种入户率提出了如下建议:大力选育高产、优质、多抗的新品种,严格进行品种区域试验与审定工作,加强宣传示范推广,做到边试验示范,边繁殖种子,建立健全种子繁育基地和增设供种网点,保证及时优惠供种。

We investigated the family introduction percentage of rice varieties (the FIP) for 780 fami-lies in 12 counties over Hunan Province in 1990,and studied thecorresponding extention wayhow to increase the FIP.The result showed that there was a difference of the FIP among investi-gated regions,of which the FIP was highest in plain regions,and lowest in far mountai(?)egion-s.The FIP was higher in hybrid rice than in commonrice.In general,the extention period of avariety was as long as 8—10 years.As for the corresponding extention way of the FIP,we ...