鲜食玉米-大豆带状复合种植模式下大豆品种筛选

    Screening of Soybean Varieties Under the Fresh Maize-soybean Strip Intercropping System

    • 摘要: 为筛选出鲜食玉米-大豆带状复合种植模式下的大豆适宜品种,引进了12个大豆品种进行比较筛选,以闽诚豆8号为对照,采用玉米和大豆的种植比例为2行玉米∶3行大豆的种植模式,调查各品种的生育期、农艺性状及产量。结果表明:华夏26表现株高适中,单株结荚数和单株粒数最多,平均产量为1 677 kg·hm−2,比对照闽诚豆8号增产13.84%,增产达显著水平;华夏21、华夏14平均产量分别为1 569.3、1 503.9 kg·hm−2,比对照闽诚豆8号增产6.52%、2.09%,增产均未达显著水平;3个品种均表现为株型收敛、抗倒伏。综合分析,华夏26、华夏21可在鲜食玉米-大豆带状复合种植模式下进一步扩大示范种植,华夏14可进一步扩大引种试验种植。

       

      Abstract: In order to screen out the suitable soybean varieties under the fresh maize-soybean strip intercropping system, twelve soybean varieties were introduced for the comparative screening. With Minchengdou 8 as the control, the growth period, agronomic traits and yield of each variety were investigated by using the cropping arrangement of two rows of corn and three rows of soybean. The results showed that Huaxia 26 exhibited optimal overall performance, characterized by moderate plant height, the highest number of pods per plant and seeds per plant, and an average yield of 1677.0 kg·hm−2, which was 13.84% higher than that of the control variety Minchengdou 8, with the increase reaching a statistically significant level. The average yield of Huaxia 21 and Huaxia 14 was 1 569.3 kg·hm−2 and 1 503.9 kg·hm−2, respectively, which was 6.52% and 2.09% higher than that of the control variety Minchengdou 8, though the differences were not statistically significant. All the three varieties exhibited compact plant architecture and good lodging resistance. In conclusion, Huaxia 26 and Huaxia 21 were recommended for further demonstration and extension under the fresh maize-soybean strip intercropping system, whereas Huaxia 14 could further expand the introduction experimental cultivation.

       

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