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Volume 26 Issue 4
Nov.  2011
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LIAO Chang-jian, WANG Ying-heng, LIN Jian-xin, LU He-ding, CHEN Shan-hu. Preliminary Analysis on Key Agronomic Traits Relating to Biomass and Quality of Silage Maize[J]. Fujian Journal of Agricultural Sciences, 2011, 26(4): 572-576.
Citation: LIAO Chang-jian, WANG Ying-heng, LIN Jian-xin, LU He-ding, CHEN Shan-hu. Preliminary Analysis on Key Agronomic Traits Relating to Biomass and Quality of Silage Maize[J]. Fujian Journal of Agricultural Sciences, 2011, 26(4): 572-576.
shu

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

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  • Received Date: April 12, 2011
  • Revised Date: May 17, 2011
    Graphical Abstract
    • 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.
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    • References (5)
  • 何文铸,刘永红,杨勤,等. 影响青贮玉米生物产量关键指标的筛选及其遗传研究[J]. 玉米科学, 2009, 17(2):29-33.
    白琪林,陈绍江,戴景瑞. 我国常用玉米自交系秸秆品质性状及其相关分析[J]. 作物学报, 2007, 33(11):1777-1781.
    李浩波. 秸秆饲料学[M]. 西安:西安地图出版社, 2002: 50-100.
    滕辉升,张述宽,苏琪,等. 青贮玉米生物产量及植株性状的配合力分析[J]. 广西农业科学, 2009, 40(1):4 -7.
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