早熟高油大豆新品种吉育203的选育与栽培要点

摘要

In order to breed new high-oil soybean varieties with early maturity,which was suitable for planting in Jilin and applying in production,Jiyu 203 was obtained and selected by Gongjiao 2059fan-6 as female parent and Kennong 1 8 as male parent ,through the artificial emasculation pollination materials in 2003 bred by pedigree method,its original code was Gongjiao DY2008-9.Its average yield of regional test in Jilin Province was 2 369.2 kg/hm2 in 2010 and 2011,higher than that of Suinong 28(2 301.7 kg/hm2) by 2.9%,while at production test in Jilin Province,the average yield was 2 314.0 kg/hm2 in 2011,higher than that of Suinong 28 (2 263.5 kg/hm2 )by 2.2%.Jiyu 203 was of 16~18 node numbers,1~2 branches,short internodes,uniform pods,dense,much three or four pods,brown ripe pod,high full grain rate,no brown grain,excellent grain quality,high fat content (24.94%)and good resistance.Jiyu 203 was approved by Jilin Evaluation Committee of Crop Variety in 2011.and it was suitable for early-maturing region in Jilin province and other similar ecological areas.%为了选育适宜吉林地区种植的早熟高油大豆新品种应用于生产，以公交2059反-6为母本、垦农18为父本于2003年采取人工去雄授粉方法获得杂交后代，再利用系谱法鉴定选育出吉育203（原品系代号公交DY2008-9）。该品种2010-2011年在吉林省早熟组区域试验中的平均产量为2369．2 kg/hm2，比对照绥农28（2301．7 kg/hm2）增产2．9％；2011年在吉林省生产试验中的平均产量为2314．0 kg/hm2，比对照绥农28（2263．5 kg/hm2）增产2．2％；生育期118 d，株高85 cm左右，百粒重为20．1 g，主茎节数16～18个，分枝1～2个，节间短，结荚均匀，荚密集，3～4粒荚多，荚熟褐色，完全粒率高，无褐斑粒，籽粒品质优良，脂肪含量24．94％，抗性好，于2011年通过吉林省品种审定委员会审定并命名，适宜吉林省大豆早熟地区及生态相似地区推广种植。