芥菜型油菜(B. Juncea)三系杂交组合江矮D_1的选育与利用

Breeding and Utilization of Three line Hybrid Jang'ai D1 in Mustard( Brassica juncea )

芥菜型油菜三系杂交组合江矮Ｄ１杂交优势强，株型较矮而紧凑、早熟、耐旱、适应性广、稳产高产，油酸含量３５．４１％，亚油酸含量３３．０６％，芥酸含量２．３９％，含油量４３．４１％，恢复株率９５％以上。１９９５～１９９６年全省旱地区试中平均每公顷产２０９０．１ｋｇ，较第一对照昆明高棵增产７６．１７％，较第二对照芥油一号［１］增产７．８６％，现已进入生产。

Jiang'ai D 2,a three line hybrid of mustard rape,is of stronger heterosis,comparatively short and compact in plant type,early maturity,tolerant to drought,high and stable yield.It is widely adaptable,with oleic,linoieic,erucic acids and oil contents 35.41%,33.06%,2.39% and 43.41% respectively.Its restoring plant rate is up to 95%.In the provincial regional dryland tests in 1995 1996,Jiang'ai D1 gave an average yield up to 2090.1kg/ha,higher than the first control Kunming Gaoke by 76.17% and than the second control Jieyou No.1 by 7.86%.It has been released into production demonstration.