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Acta Horticulturae Sinica ›› 2023, Vol. 50 ›› Issue (6): 1203-1214.doi: 10.16420/j.issn.0513-353x.2022-0416

• Genetic & Breeding·Germplasm Resources·Molecular Biology • Previous Articles     Next Articles

Genetic Analysis of Sugar and Acid Quality Traits in Mango Hybrid Population

WAN Jiaxin1,2,*, DAI Tao2,3,*, LUO Guoliang4, LI Li2, WU Hongxia2, XU Wentian2, ZHENG Bin2, WANG Songbiao2, LUO Cong1,**(), LIANG Qingzhi2,4,**   

  1. 1College of Agriculture,Guangxi University,Nanning 530000,China
    2Key Laboratory for Postharvest Physiology and Technology of Tropical Horticultural Products of Hainan Province,South Subtropical Crops Research Institute,Chinese Academy of Tropical Agricultural Sciences,Zhanjiang,Guangdong 524091,China
    3College of Tropical Crops,Yunnan Agricultural University,Puer,Yunnan 665000,China
    4College of Coastal Agricultural Sciences,Guangdong Ocean University,Zhanjiang,Guangdong 524000,China
  • Received:2022-12-13 Revised:2023-02-27 Online:2023-06-25 Published:2023-06-27
  • Contact: ** (E-mail:220031luocong@163.comqingzhi2002@163.com

Abstract:

To analyze the genetic variation of sugar and acid contents in mango F1 population in order to provide a basis for selecting parents in cross breeding of mango. A hybrid population of 95 F1 plants with‘Jinhuang’as the female parent and‘Irwin’as the male parent was constructed. Descriptive statistical analysis,correlation analysis,analysis of variance and broad-sense heritability analysis were carried out for the sugar and acid quality traits of mango fruits. Current results indicated that the major individual sugars were glucose,fructose and sucrose;the main organic acids were malic acid,citric acid,ascorbic acid,lactic acid,succinic acid and α-ketoglutaric acid in mango fruits. These fruit quality traits such as individual sugar and organic acid showed normally or nearly normally distribution in hybrid population;fructose was highly significantly correlated with glucose and sucrose;citric acid was significantly positively correlated with α-ketoglutaric acidand titratable acid,malic acid was significantly positively correlated with succinic acid and ascorbic acid;fructose and sucrose showed a mid-parental heterosis;and most of organic acids showed neither a mid-parental nor a super-parental heterosis.

Key words: mango, sugar, acid, high performance liquid chromatography, variance analysis, heritability analysis

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