[J].HEILONGJIANG AGRICULTURAL SCIENCES,2021,(04):144-147.[doi:10.11942/j.issn1002-2767.2021.04.0144]
超早熟大豆新品种黑科57的选育及栽培技术
- 文献标志码:
- A
- 摘要:
- 为促进黑龙江省北部地区大豆品种更新,提升当地大豆单产水平。本文介绍了超早熟大豆新品种黑科57的选育过程、特征特性及优化配套栽培技术。黑科57株高70 cm左右,百粒重20 g左右。蛋白质含量37.78%,脂肪含量21.46%,中抗灰斑病。出苗到成熟日数为95 d左右,需≥10 ℃活动积温1 900 ℃左右,适宜在黑龙江省第六积温带种植。通过试验对比表明,该品种的最佳栽培密度在35万株?hm-2左右,一般播种量70~75 kg?hm-2为宜。该品种在试验阶段表现出良好的稳定性和丰产性,有望成为当地主栽品种。
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备注/Memo
收稿日期:2020-11-27