Fruit Character Analysis and Evaluation of Ziziphus jujuba Mill.‘Fengmiguan’Progeny from Natural Pollination
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Research Center of Chinese Jujube,Hebei Agricultural University,Research Center of Chinese Jujube,Hebei Agricultural University,Research Center of Chinese Jujube,Hebei Agricultural University,Research Center of Chinese Jujube,Hebei Agricultural University

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    Abstract:

    The character variation analysis and superior individual selection were accomplished by observation and measurement on the fruit traits of 131 progenies from natural pollination of ‘Fengmiguan’jujube (Ziziphus jujuba Mill.‘Fengmiguan’). The results showed that the variation coefficients of fruit cracking rate, yield per tree and titratable acid content were the largest, while those of water content, edible rate and fruit rigidity were the lowest. Only less than 50% progeny seedlings shared the same or similar phenotype with maternal plant in fruit color, pericarp thickness, flesh color and juicy, fruit flavor and so on. Correlation analyses among 8 characters including fruit rigidity, soluble solid content, titratable acid content etc. showed that titratable acid content had significant positive correlation with water content and had significant negative correlation with soluble sugar content. Vc content had significant negative correlation with soluble solid content. At last, 3 seedlings with excellent comprehensive characters were screened out through grey correlation analysis and synthetical weighted mark method. In addition, 2 seedlings with high soluble sugar content, 5 seedlings with high titratable acids content and 5 seedlings with high Vc content were selected out.

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History
  • Received:September 10,2017
  • Revised:March 19,2018
  • Adopted:January 25,2018
  • Online: May 08,2018
  • Published:
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