河北省夏大豆育成品种农艺性状及品质分析

Analysis of Agronomic Characters and Qualities of Summer Soybean Varieties in Hebei Province

比较分析了河北省1975-2007年审定的40个夏大豆品种的农艺性状及品质性状。结果表明:夏大豆产量从最初的2 250 kg/hm2上升至2007年的2 940 kg/hm2,增产幅度为30%。品种的农艺性状为:株高70-100 cm,生育期90-105 d,分枝数≥1个,紫花、圆叶,亚有限或有限型结荚习性,圆粒,黄或褐脐。百粒重高于18 g的品种占总数的72.5%。蛋白质含量≥44%的品种有4个,占品种总数的10%;蛋白质含量在41%-44%的品种有22个,占品种总数的55%。脂肪含量≥21%的品种为9个,占品种总数的22.5%;脂肪含量在18%-20%的品种有25个,占品种总数的62.5%。蛋白质+脂肪含量≥63%,并且脂肪含量≥20%的品种有6个,占品种总数的15%。

Agronomic characters and qualityies of 40 summer soybean varieties authorized in 2007 were compared and analyzed. The results showed that the yield increased from 2 250. 00 kg/hm^2 to 2 940. 00 kg/hm^2, and the yield increase rate was 30%. The agronomic characters were as follow： plant height 70 - 100 cm, growing period of 90 - 105 d, 1-2 branches,purple flower, round leaf, sub-determinate or determinate, round seed, yellow or brown hilum. The varieties whose 100-seed weight was over 18 g accounted for 72. 5%. As far as protein content, 10% varieties were greater or equal to 44%, and 55% varieties ranged from 41% to 44%. As far as oil content, 22. 5% varieties were greater or equal to 21%, while 62.5% varieties ranged from 18% to 20%. There were six varieties with the content of protein and oil ≥ 63% , and oil protein ≥ 20%, accounting for 15%.