黑河地区灾后补种大豆品种筛选试验

为了筛选出适合黑河地区补种的晚播大豆品种,以黑河地区主栽的6个大豆品种为材料,分为4个播期,研究了播期对不同熟期大豆品种产量及农艺性状的影响。结果表明:随着播期的延后,各品种株高逐渐增高,分枝数差异较大,主茎节数差异不大,单株粒数、百粒重和产量基本上呈先升高后下降的趋势。

Soybean Varieties Screening Test for Reseeding in Heihe Region after Disaster

For selecting late sowing soybean varieties that suitable for reseeding in Hehe,taking six soybean varieties of different period as the test materials which were divided into four sowing date,the effect on yield and agronomic traits under the same condition of four different sowing dates were studied.The results showed that plant height increased with the delay of sowing date,branch number had large difference,but node numbers of main stem had little difference.Grain number per plant,the hundred-grain weight and yield were increased with sowing date delayed first then declined.