旱地莜麦新品种定莜8号选育报告

旱地莜麦新品种定莜8号为定西市旱作农业科研推广中心以裸燕麦8626-2作母本,皮燕麦新西兰作父本杂交系统选育而成。在2006—2008年甘肃省联合区域试验中,3 a 15点（次）折合平均产量2 256.00 kg/hm2,较对照品种定莜4号增产23.9%,居6个参试品种（系）的第1位。生育期106～117 d,株高11...

Breeding Report of A New Dryland Oat Variety Dingyou 8

Dingyou 8 was a new dryland oat variety bred by crossing with the parental combination of naked oats 8626-2 as female,Zealand of Avena sativa as male by Dingxi Research and Distribution Center of Dryland Agriculture.In 2006—2008,the average yield of Dingyou 8 was 2 256.00 kg/hm2 and 23.9% higher than of the check Dingyou 4 in variety comparative test of Gansu,is the 1st.The results showed that the growth period 106~117 d,height 117.0～127.6 cm,ear length 21.3～25.0 cm,1 000-grain weight 20.90 g,bulk density,652.30 g / L.The results also indicationed that seed crude protein,crude fat,lysine,linoleic acid,ash content were 205.80 g / kg,66.10 g / kg,7.49 g / kg,407.90 g / kg,28.90 g / kg,respectively.In addition,Dingyou 8 was resistant to drought and strong anti-smut,more resistant red leaves disease.It is suitable to plant in the region of arid and semi-arid area in central Gansu of precipitation 340 ~ 500 mm,1 400 ~ 2 600 m above sea level,and in Ningxia,Qinghai,Inner Mongolia,Shanxi and other similar eco-regions.