YANG Ming-liang,WANG Yong.Study on Selection Efficiency of Soybean Seed Coat Color in Population of Extremely Precocious Soybean Hybrid Progeny[J].HEILONGJIANG AGRICULTURAL SCIENCES,2020,(01):12-18.[doi:10.11942/j.issn1002-2767.2020.01.0012]
超早熟大豆杂交后代种皮颜色选择效率的研究
- Title:
- Study on Selection Efficiency of Soybean Seed Coat Color in Population of Extremely Precocious Soybean Hybrid Progeny
- Keywords:
- soybean; seed coat color; selection methods; selection efficiency
- 文献标志码:
- A
- 摘要:
- 为提高超早熟大豆杂交后代的种皮颜色选择效率,本研究选择4个不同种皮颜色品种配置3个杂交组合,利用经过改良的系谱法(PM)、混合法(MSM)、单粒传法(SSDM)3种后代选择方法对后代群体的种皮颜色、生育期、株高、百粒重、蛋白质含量、产量等主要农艺性状进行定向选择,用以比较不同杂交组合、不同选择方法对以上性状选择的影响。结果表明:(1)种皮颜色后代分离广泛,包括黑、黄、绿、褐、红、双色、以及各种中间颜色,其中黑、褐、黄、红、绿等颜色在F6基本趋于稳定,双色及中间颜色后代分离严重,不易稳定。(2)三个组合后代群体生育期的选择,黑、黄色种皮MSM法最高,绿色种皮PM法最低,褐色种皮后代群体生育期变异小,接近于母本生育期,红色种皮3种方法选择后代生育期无显著差异更接近于父本;后代群体百粒重的选择,黑、绿、褐色种皮运用MSM和PM法选择的后代群体百粒重更大,易获得大粒型品种;蛋白质含量后代群体选择以MSM法为最高;株高后代群体选择以PM法为最佳,株高最低,效果最好;单株产量后代群体选择以PM法为最高,黑、褐、绿色种皮后代单株产量显著高于黄、红色种皮后代。(3)SSDM法变异系数普遍较大,MSM法次之,PM法选择的后代群体变异系数普遍较小。可根据不同育种目标,运用不同后代选择方法,或结合选择目标性状特点在不同世代运用不同方法进行选择,提高选择效率。
- Abstract:
- In order to improve the seed coat color selection efficiency in extremely precocious soybean hybrids,4 varieties with different seed coat color were selected and 3 hybrid combinations were selected in this study.Using the modified pedigree method (PM),mass selection method (among MSM),and single seed descent method (SSDM)to directional selection of offspring population main agronomic traits,including seed coat color,growth period,plant height,hundred grain weight,protein content,yield,etc.To compare the influence of different hybrid combinations and selection method of main agronomic traits.The results showed that: (1) Offspring seed coat color separated widely,including black,yellow,green,brown,red,double color,and a variety of middle colors.Double color and middle color offspring was not easy to stability and separation seriously.(2) The choice of offspring population growth period,black,yellow seed coat color higher in MSM method,green lower in PM method,brown offspring population growth period variation coefficient was lower,close to the female parent growth period.there was no significant difference in red seed coat color with three selection methods in offspring growth period,which more close to the male parent; Black,green and brown seed coat color used in MSM and PM method selected group 100 weight to easy access to large-grain type varieties; Protein content of group selection was highest in using MSM method; Offspring group of lowest plant height was selected by PM method; PM method was the highest to yield offspring group selection,black,brown and green seed yield offspring was significantly higher than yellow,red seed offspring in this method;(3) Variation coefficient of SSDM method was larger,MSM method second,PM method was smaller.According to the different breeding goals,using different generation selection method,or a combination of select target characters and features in different generation using different methods to choose,improve the efficiency of selection.
参考文献/References:
[1]宋健,郭勇,于丽杰,等.大豆种皮色相关基因研究进展[J].遗传,2012,34(6):687-694.
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备注/Memo
收稿日期:2019-09-16第一作者:杨明亮(1981-),男,博士,讲师,从事大豆遗传育种与分子标记辅助选择研究。E-mail:yml5418@126.com。