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通过对来自中国北部、中部和南部不同纬度地区的114个小豆品种在江苏南京和泰国农业大学的农艺性状进行研究。研究结果表明:与栽培在江苏相比,小豆品种在泰国热带地区表现为株高降低、生育期缩短,百粒重、每荚粒数、和单株产量均有所降低,但分枝数和每荚粒数变化不大。从不同来源的群体来看,来自中国北部的品种的农艺性状在泰国的变异系数大于中部品种,而南部品种引种至泰国后农艺性状的变异系数最小。通过对产量因子的相关分析表明,单株荚数对产量的相关系数最大(0.75),而其它性状如分枝数(0.30)和每荚粒数(0.21)与产量的相关系数不大,而百粒重(0.07)对产量的相关系数最小。聚类分析的结果表明,以上114个小豆品种可划分为中国北部1、中国北部2、中部、南部4个大类,显示了北部品种之间有较大的遗传差异。
The agronomic traits of 114 adzuki bean varieties from different latitudes in northern, central and southern China in Nanjing, Jiangsu Province and Thailand Agricultural University were studied. The results showed that compared with the cultivation in Jiangsu Province, the adzuki bean varieties showed the reduction of plant height and shortened the growth period in the tropical region of Thailand, while the number of hundred kernels, the number of pods per plant and the yield per plant decreased. However, Little change in the number of pods per pod. In terms of population from different sources, the coefficient of variation of agronomic traits in northern China is greater than that in central China, while the coefficient of variation of agronomic traits in southern China is the least. Correlation analysis of yield factors showed that the correlation coefficient of pods per plant was the highest (0.75), while the correlation coefficients of other traits such as branch number (0.30) and number of pods per plant (0.21) were not significant The correlation coefficient of 100-grain weight (0.07) to yield was the smallest. Cluster analysis showed that the above 114 adzuki bean varieties could be divided into northern China 1, northern 2, central and southern China 4 categories, showing a large genetic differences between the northern varieties.