ZHAO Chao-sen,ZHAO Xian-wei,YANG Zhong-lu,et al.Evolution of Agronomic, Yield and Quality Traits of Spring Soybean Varieties Attending National Regional Test of Yangtze River Basin[J].Soybean Science,2019,38(01):41-48.[doi:10.11861/j.issn.1000-9841.2019.01.0041]
国家区试长江流域春大豆品种农艺、产量及品质性状的演变
- Title:
- Evolution of Agronomic, Yield and Quality Traits of Spring Soybean Varieties Attending National Regional Test of Yangtze River Basin
- Keywords:
- Yangtze river basin; Spring soybean; Yield; Quality; Agronomic traits; Evolution
- 文献标志码:
- A
- 摘要:
- 为指导国家长江流域高产优质春大豆新品种的选育和推广,分析了2006-2017年国家区试长江流域春大豆组12年间的品种试验数据,并通过方差分析与相关性分析研究了参试品种的重要农艺性状、产量及其品质性状的遗传变化规律与相互关系。结果表明:12年间90个参试品种有16个通过试验并申请国家审定;参试品种性状的遗传变异中,品质性状的变异最小,其次是产量及其相关性状,重要农艺性状的变异最大;随着年度的递增,参试品种的生育天数、株高、底荚高度、主茎节数、单株有效荚数、单株粒数呈现缓慢下降的总趋势,而产量、单株粒重、百粒重呈缓慢增加的总趋势,单株有效分枝数、粗蛋白质含量、粗脂肪含量、蛋白质与脂肪总含量的变化趋势不明显。相关性分析表明,产量与单株粒重、百粒重极显著正相关,而与生育天数、粗蛋白质含量负相关且达极显著及显著水平。因此,在长江流域春大豆新品种的选育过程中,应适当缩短生育天数和降低粗蛋白质含量,达到提高产量的目的。
- Abstract:
- In order to guide the breeding and promotion of new spring soybean varieties with high yield and high quality, the data of 12 years′ variety test of spring soybean group in the Yangtze river basin from 2006 to 2017 were analyzed, and the genetic change and correlation of the important agronomic characters, yield and quality trait of the cultivars through the analysis of variance and the correlation analysis were studied.The results showed that 16 out of 90 varieties tested in 12 years had passed the test and applied for national review. The genetic variation of quality traits was the least, the genetic variation of important agronomic traits was the largest, while the genetic variation of yield and its related traits was the middle. As the annual increment, testing varieties of growing days, plant height, height of the lowest pod, nodes on main stem, effective pods per plant and seed numbers per plant showed a general trend of slow decline. Seed weight, yield, and 100-seed weight showed a general trend of slow increase. Effective branches per plant, crude protein content, crude fat content, total protein and fat content change trend was not obvious. The correlation analysis showed that the yield was positively correlated with seed weight and 100-seed weight, and negatively correlated with growth days and crude protein content.Therefore, during the breeding of new spring soybean varieties in the Yangtze river basin, growth days and crude protein content should be shortened to increase the yield.
参考文献/References:
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备注/Memo
收稿日期:2018-11-01