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以来自5个国家的9个辐射诱变的大豆品种为试验材料,研究不同纬度来源的大豆品种在泰国的表现。结果表明:所有参试品种的生育期在82~96 d,产量为0.51~2.34 t/hm2,其中以来自泰国的Sukhothai产量为最高,来自中国的HC18M产量为最低。构成产量的主要农艺性状的相关系数由高到低分别为每株荚数、每荚粒数、百粒重,这说明在热带地区每株荚数对产量因素的贡献为最大,每荚粒数为其次,而百粒重等对产量的贡献最小。
Nine radiation-induced soybean varieties from five countries were used as experimental materials to study the performance of soybean varieties from different latitudes in Thailand. The results showed that the growth period of all tested cultivars ranged from 82 to 96 days and the yield was 0.51 ~ 2.34 t / hm2, of which Sukhothai was the highest from Thailand and HC18M from China was the lowest. The correlation coefficients of the main agronomic traits which constitute the yield from high to low are the pods per pod, the number of pods per pod and the weight of 100 pcs, which indicates that the contribution of pods per plant to the yield factor is the highest in the tropics. As the second, while the output of 100-grain weight and so on is the smallest.