国审大豆新品种湘春2701的选育研究
- Title:
- Breeding Research of A New National Approved Soybean Variety Xiangchun 2701
- 摘要:
- 为促进高产、宜机收大豆新品种湘春2701的推广,本文对湘春2701的选育过程、特征特性、产量表现及栽培技术要点、品种选育思考及应用前景进行了系统阐述。湘春2701是湖南省作物研究所2008年春以湘春豆24为母本,油春01-45为父本有性杂交,经系谱法和摘荚混合法选育而成的高产广适春大豆新品种。2017—2018年参加湖南省两年春大豆品种区域试验,平均产量2 760.0 kg·hm-2,比对照湘春豆24增产7.2%;2018年生产试验,平均产量 2 914.5 kg·hm-2,比对照湘春豆24增产9.6%;2018—2019年参加长江流域春大豆组品种区域试验,平均产量2 959 .5 kg·hm-2,比对照天隆一号增产3.7%;2019年生产试验,平均产量2 752.5 kg·hm-2,比对照天隆一号增产3.6%。该品种在各级试验中均表现综合性状优良,于2019年通过湖南省农作物品种审定委员会审定,2021年通过国家农作物品种审定委员会审定,审定编号分别为湘审豆20190001和国审豆20210062。湘春2701籽粒椭圆形,大小均匀,外观品质优良,同时落叶性好,底荚高度较高,适宜机械化播种收获,该品种在适宜在长江中下游地区作春播种植。
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