CHENG Xue-feng,ZHANG Feng-yun.Application of Grey Correlation Analysis in Summer Soybean Breeding[J].Soybean Science,2009,28(01):31-35.[doi:10.11861/j.issn.1000-9841.2009.01.0031]
灰色关联分析法在夏大豆育种上的应用
- Title:
- Application of Grey Correlation Analysis in Summer Soybean Breeding
- 文章编号:
- 1000-9841(2009)01-0031-05
- Keywords:
- Gray relevant grade; Soybean; Character indexes; Yield
- 分类号:
- S565.1
- 文献标志码:
- A
- 摘要:
- 选用河南省1985~2005年间通过国审的16个大豆品种,应用灰色关联分析法研究了产量、蛋白质和脂肪含量与农艺指标之间的相关关系。结果表明:产量与株高(r=0.69**)、单株荚数(r=0.69**),百粒重(r=0.65**)分别极显著正相关,且株高、单株荚数和百粒重三者之间相互极显著正相关。蛋白质和脂肪含量与农艺指标之间相关均不显著。产量、蛋白质含量和脂肪含量与农艺性状之间的关联序分别为单株荚数(0.7534)>株高(0.7449)>百粒重(0.7375)>生育期(0.6981)>分枝数(0.6517),百粒重(0.67979)>株高(0.67743)>分枝数(0.65838)>单株荚数(0.64921)>生育期(0.62917),生育期(0.67170)>百粒重(0.65976)>株高(0.65568)>单株荚数(0.63310)>分枝数(0.60824)。表明在河南省生态条件下,夏大豆高产育种的主攻方向为:选择单株荚数多、植株较高的品种(系),同时加强对百粒重的选择,而对生育期和分枝数的选择可适当放宽要求。通过农艺性状的选择对优质育种有促进作用,但效果不显著,实现优质育种和高产育种协调统一的困难较大。
- Abstract:
- Sixteen soybean varieties released in Henan Province during 1985-2005 were used to study the correlation between agronomy indexes and yield,protein and fat content using grey correlation analysis.The results showed that yield correlated to plant height(r=0.69**),pods per plant(r=0.69**)and 100-seed weight(r=0.65**)significantly,and plant height,pods per plant and 100-seed weight significantly correlated to each other respectively.The correlation between protein,fat content and other agronomy indexes didn′t reach significant level.The grey relevant grade between yield and the other main agronomic characters was as follows:pods number per plant(0.7534)> plant height(0.7449)> 100-seed weight(0.7375)>growing period(0.6981)>branches(0.6517),that between protein and the other main agronomic characters were as follows:100-seed weight(0.67979)>plant height(0.67743)>branches(0.65838)> pods number per plant(0.64921)> growing period(0.62917),and that between fat and the other main agronomic characters were as follows:growing period(0.67170)>100-seed weight(0.65976)>plant height(0.65568)> pods number per plant(0.63310)>branches(0.60824).Through the study,conclusion could be draw that choosing the varieties that have more pods,higher plant and large seed size should be the target of summer soybean breeding in Henan province,while the growing period and branches had wide ranges.Choose of agronomic character could promote the good-quality breeding,but the effects are little and harmonize of high yield and good quality has great difficulties.
参考文献/References:
[1]雒魁虎,汤其林.河南种业50年[M].北京:中国农业科技出版社,2002:20-25.(Luo K H,Tang Q L.The 50 years of Henan seed industry[M].Beijing:Agricultural Press,2002:20-25.)
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备注/Memo
作者简介:成雪峰(1976-),男,硕士,讲师,主要从事作物生态生理方面的研究。E-mail:cxf854100@126.com。