旱地豌豆新品种定豌7号选育报告

Breeding Report of A New Dryland Peas Variety Dingwan 7

旱地豌豆新品种定豌7号是以"天山白豌豆"为母本,"8707-15"为父本杂交选育而成。2004-2006年在定西市区域试验中,3a 15点(次)平均折合产量1 903.35 kg/hm2,较对照品种定豌1号平均增产6.43%。籽粒含粗蛋白含量226.0 g/kg(干基)、赖氨酸12.6g/kg(干基)、粗脂肪11.2 g/kg(干基)、粗淀粉642.8 kg(干基)、水分14.0%,为高淀粉、高赖氨酸品种(系)。适宜在年降水350 mm以上,海拔2 500 m以下的干旱、半干旱山坡地、梯田地和川旱地种植,水地和二阴地种植产量更高。

Dingwan 7 was a new dryland variety bred by crossing with the parental combination of Tianshan white pea/8707-15 by Dingxi Research and Distribution Center of Dryland Agriculture.In 2004—2006,the average yield of Longchun 27 was 1903.35 kg/hm2 and 6.43% higher than that of the check Dingwan 1 in the Dingxi city regional test of Gansu Province.The results showed that the seed crude protein（dry basis）,lysine（dry basis）,crude fat,crude starch（dry basis）,moisture were 226.0 g/kg,12.6 g/kg,11.2 g/kg,642.8 g /kg,14.0%,respectively,it was the high-starch,high-lysine varieties（lines）.It is suitable to be planted in arid and semi-arid hillside,the terraced fields and in arid plain land of annual precipitation above 350 mm,elevation below 2 500 m,the yields was higher to planted in water land and two shade land.