河北省夏大豆育成品种农艺性状及品质分析

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/hm^2上升至2007年的2 940 kg/hm^2,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%。

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

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%.