WU Xiu-hong.Genetic Variations and Correlation of the Main Agronomic Characters in M1 and M2 Population of Spring Soybean Induced by EMS[J].Soybean Science,2011,30(05):760-763.[doi:10.11861/j.issn.1000-9841.2011.05.0760]
春大豆EMS诱变M1、M2代主要农艺性状的遗传变异及相关性
- Title:
- Genetic Variations and Correlation of the Main Agronomic Characters in M1 and M2 Population of Spring Soybean Induced by EMS
- 文章编号:
- 1000-9841（2011）05-0760-04
- 关键词:
- 春大豆; 甲基磺酸乙酯(EMS); 农艺性状; M1和M2
- 分类号:
- S565.1
- 文献标志码:
- A
- 摘要:
- 利用0.5%甲基磺酸乙酯(EMS)溶液处理7个春大豆品种种子，并对M1和M2代主要农艺性状的遗传变异及相关性进行分析。结果表明：M1代主要是化学物质扰乱了植株生理而产生生理损伤发生了形态变异。M2代分枝数、单株荚数、单株粒数和单株粒重的变异系数较大。M2代各性状的广义遗传力以株高、主茎节数较高，而分枝数、单株粒数、单株粒重、单株荚数中等，百粒重的遗传力偏低。EMS在提早熟期方面对早熟品种的影响要大于中晚熟品种，在延迟熟期方面没有明显差异。原品种中节数和株高分别与单株粒数、单株荚数、单株产量之间的相关达到了极显著水平，而在M2中，没有达到显著水平。
- Abstract:
- Seven spring soybean varieties were treated by 0.5% EMS (ethylmethane sulphonate) solution, and analyzed genetic variations and correlation of the main agronomic characters in M1 and M2 generation. Morphological variation of M1 was mainly induced by mutagens which made the plant physiological process into disorder. Among the characters of M2, the genetic variation coefficient of branches, pods per plant, seeds per plant and seed weight per plant were more evident. For the broad sense heritability plant height, main stem nodes were the highest; branches, seeds per plant, seed weight per plant and pods per plant were medium and 100-seed weight was the lowest. EMS could advance or delay soybean growth duration, in the earlying growth duration, the early mature varieties were evident than late mature ones, while no significant difference were observed for delaying maturation between early and late mature soybeans. Among the primary varieties, significant correlation between plant height, main stem nodes and seeds per plant, pods per plant, seed weight per plant were observed, while this trend not found in M2 generation.
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备注/Memo
基金项目：黑龙江省科技厅资助项目（GA06B102-1）；黑龙江省农业科技创新工程种子创新基金资助项目（2010-03-02）。