豌豆新品系631-2是在旱作条件下选育而成的复交后代，组合为麻豌豆/野豌豆//中豌8号。在会宁县进行的多点试验中，平均产量为1 986 kg/hm2，较对照品种中豌8号平均增产12.6%。中早熟品种，生育期为73 d，株高43 cm。蛋白质含量28.24%，赖氨酸含量1.89%，粗脂肪含量2.12%，粗淀粉含量46.03%。适宜在旱作区与全膜双垄沟播玉米套种，灌区也可与玉米套种。

631-2 is newly bred pea line offspring rapprochement under dryland conditions， with the combination Mawandou/ Yewandou//Zhongwan 8. The average yield is 1 986 kg/hm2 and 12.6% higher than that of the check variety Zhongwan 8 in multi- location experiment in Huining county. The result shows that the lines is middle early maturity variety， growth period is 73 d， plant height is 43 cm， the seed protein is 28.24%， lysine is 1.89%. Crude fat is 2.12%， crude starch is 46.03%. It is suitable to be grown in the arid area of corn irrigation areas， ditch sowing corn in double ridge mulched with plastic film.

S643.3

甘肃省农牧厅旱作农业项目“ ”