超早熟大豆新品种黑科57的选育及栽培技术  

Breeding and Cultivation Techniques of A New Super Early Maturing Soybean Variety Heike 57

作　　者：贾鸿昌[1] 闫洪睿[1] 张雷[1] 鹿文成[1] 梁吉利[1] 韩德志[1] 闫晓飞 朱海芳 JIA Hong-chang;YAN Hong-rui;ZHANG Lei;LU Wen-cheng;LIANG Ji-li;HAN De-zhi;YAN Xiao-fei;ZHU Hai-fang(Heihe Branch,Heilongjiang Academy of Agricultural Sciences,Northeast Extra-early Soybean Breeding Post,State Soybean Industry Technology System,Heihe 164399,China)

机构地区：[1]黑龙江省农业科学院黑河分院/国家大豆产业技术体系东北特早熟大豆育种岗,黑龙江黑河164399

出　　处：《黑龙江农业科学》2021年第4期144-147,共4页Heilongjiang Agricultural Sciences

基　　金：黑龙江省农业科技创新工程专项(2019KYJL015);国家大豆产业技术体系资金资助项目(CARS-04-05B);黑龙江省“百千万”工程科技重大专项(2019ZX16B01);黑龙江省农业科学院“农业科技创新跨越工程专项”大豆优异品种创制及高产高效栽培配套技术集成(HNK2019CX01)。

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1900℃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。In order to promote the renewal of soybean varieties in the northern of Heilongjiang Province and improve the yield of local soybean per unit area.This paper introduced the breeding process,characteristics and optimized cultivation techniques of a new super early maturing soybean variety Heike 57.The plant height of this variety is about 70 cm,and the weight of 100 grains is about 20 g.The protein content is 37.78%,and the fat content is 21.46%.The number of days from emergence to maturity is about 95 d,and require 1900℃the active accumulated temperature which above≥10℃,which is suitable for planting in the sixth accumulative temperature zone in Heilongjiang Province.The optimum planting density of this variety is about 350000 plants per hectare and the sowing amount of 70-75 kg per hectare was generally appropriate.This variety showed good stability and high yield in the experimental stage,and is expected to become the main cultivar in the local area.

关 键 词：超早熟 大豆 黑科57 

分 类 号：S565.1[农业科学—作物学]