胡麻新品种定亚21号

A new flax variety Dingya No.21

定亚21号是甘肃定西旱农中心油料试验站以红木为母本,陇亚7号为父本杂交选育而成;经多年多点多项次试验示范,表现抗旱、抗病、抗倒等综合抗逆能力强,油纤兼用,水、旱地均适宜种植。1996—1998年连续三年甘肃省胡麻联合区试,水地平均产量2229.6kg/hm2,比对照陇亚7号增产10.53%;旱地平均产量867.45kg/hm2比对照增产18.33%,位居九个参试品系首位。1996—1998年参加全国旱地组胡麻区试,产量750～1800kg/hm2,比对照定亚17号增产6.1%～11.1%。

Dingya No.21 was bred from a cross combination of Hongmu and Longya No.7 which could be used as a oil or a fiber variety in both irrigation area and arid area. It performed high resistance to drought, disease and lodging in regional test and production demonstration test through many years. It produced high yield with (2 229.6kg/hm^2) and 867.45kg/hm^2 in irrigated field and arid field for three years (1996—1998) which was (10.5%) and 18.33% higher than check variety Longya No.7 respectively, and it ranked No.1 among the nine varieties tested. Dingya No. 21 yielded 750～1 800kg/hm^2 in national variety test in 1996-1998, which was 6.1%～11.1% higher than check Dingya No. 17.