旱地豌豆新品种定豌10号选育报告

Report on Breeding of Dryland Pea Cultivar Dingwan 10

旱地豌豆新品种定豌10号以S9107为母本、草原31号为父本,采用有性杂交技术和系谱选育法选育而成。在2012—2014年多点试验中,3 a 15点(次)折合平均产量2 077.5 kg/hm^2,较对照品种定豌4号增产12.88%,表现稳产、高产。生育期90 d,平均株高74.5 cm,主茎节数13.7节,单株有效荚数4.24个,单荚粒数3.86粒,百粒重21.2 g。干籽粒粗蛋白含量260.0 g/kg,赖氨酸含量12.9 g/kg,粗淀粉含量545.0 g/kg。适宜在甘肃定西、会宁、甘南、天祝等年降水300 mm以上,海拔2 700 m以下的干旱、半干旱生态区及其同类地区春季种植。

Dingxu 10 is a new pea cultivar in dry land was selected from S9107 as the female parent and Caoyuan 31 as the male parent by sexual hybridization and pedigree selection.In 2012—2014,the average yield was 2077.5 kg/hm^2 and 12.88%higher than that of the control Dingwan 4 in Multi-site Test.The cultivar showed stable yield and high yield.The growth period is 90 days,the plant height is about 74.5 cm,node numbers of main stem is 13.7,effective pods per plant is 4.24,grains per pod is 3.86 and 100-seed weight is 21.2 g.The crude protein content of dry grains is 260.0 g/kg,lysine content is 12.9 g/kg and crude starch is 545.0 g/kg.It is suitable to be growing in arid and semi-arid ecological areas and similar areas with annual precipitation above 300 mm and below 2700 m above sea level in Dingxi,Huining,Gannan and Tianzhu of Gansu.