影响青贮玉米生物产量及品质关键农艺性状的初步分析

廖长见; 王颖姮; 林建新; 卢和顶; 陈山虎

影响青贮玉米生物产量及品质关键农艺性状的初步分析

廖长见^1,2,
王颖姮^2,3,
林建新^1,2,
卢和顶,
陈山虎^1,2, ,

1.
福建省农业科学院作物研究所, 福建福州 350013;
2.
农业部闽台农作物种质资源利用重点开放实验室, 福建福州 350018;
3.
福建省农业科学院水稻研究所, 福建福州 350018

基金项目:

福建省财政专项福建省农科院科技创新团队建设基金(STIF-Y04);福建省科技计划项目省属公益类科研院所基本科研专项(2009R10027-2)

详细信息

作者简介:
廖长见(1979-),男,助理研究员,主要从事玉米遗传育种及栽培技术研究;王颖姮(1982-),女,助理研究员,主要从事作物遗传育种研究

廖长见(1979-),男,助理研究员,主要从事玉米遗传育种及栽培技术研究;王颖姮(1982-),女,助理研究员,主要从事作物遗传育种研究

通讯作者:
陈山虎(1962-),男,研究员,主要从事玉米遗传育种及栽培技术研究(E-mail: ymfaas@163.com)

中图分类号: S513
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出版历程
- 收稿日期: 2011-04-13
- 修回日期: 2011-05-18
- 刊出日期: 2011-08-15

Preliminary Analysis on Key Agronomic Traits Relating to Biomass and Quality of Silage Maize

1.
Corps Research Institute, Fujian Academy of Agricultural Sciences, Fuzhou, Fujian 350015, China;
2.
Key Laboratory of Crop Germplasm Utilization between Fujian and Taiwan, Fuzhou, Fujian 350018, China;
3.
Rice Research Institute, Fujian Academy of Agricultural Sciences, Fuzhou, Fujian 350018, China

摘要

摘要: 以29份不同农艺性状的青贮玉米材料组配54个杂交组合用于试验。经相关和通径分析,明确了影响青贮玉米生物产量的关键农艺性状为秸秆产量、茎粗、籽粒产量、节间数、株高、穗位高和苞叶数,建立了以青贮玉米生物产量为依变量的回归方程。通过对影响生物产量的农艺性状与品质性状相关性进行初步分析,发现对生物产量有关农艺性状的选择,并不会显著改变各个品质性状;但是对秸秆产量选育,将会降低粗蛋白含量、提高中性洗涤纤维和酸性洗涤纤维的含量,因此,在选育高产优质青贮玉米新品种时,要适当降低秸秆产量,提高籽粒产量,处理好秸秆产量和籽粒产量这一对矛盾。
- 青贮玉米 /
- 农艺性状 /
- 通径分析
Abstract: Twenty-nine silage maize lines with different agronomic traits were used as parents to produce 54 hybrids by random crossing for this study.Correlation and path coefficient analyses were performed.The results showed that the straw yield,stem diameter,seed yield,node number,plant height,ear height and bract number were determined to be the key agronomic traits affecting the biomass of the silage maize.A regression equation on biomass of the maize was established.The result of the preliminary correlation analysis between biomass-related agronomic traits and quality attributes indicated that selection based on the biomass-related agronomic traits did not significantly affect the resultant maize quality,but breeding based on the straw yield-related agronomic traits reduced CP and improved NDF,as well as ADF.Therefore,in breeding new varieties of maize,considerations should be given on balancing the straw yield reduction and seed yield improvement in order to arrive at desirable high yield and good quality for the new crop variety.
- Silage maize /
- agronomic traits /
- path coefficient analysis

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参考文献(5)

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