![]() Fruit development and ripening are closely regulated at the genetic and epigenetic levels, so the genetics of the domesticated variety are likely altered ( Huang et al., 2016 Song et al., 2019). spinosa) trees, which originally produced small, acidic fruit, evolved further to produce larger and sweeter fruits, and these varieties were domesticated ( Mingxin et al., 2020). The results of this study provide insights into the genetic predisposition and molecular mechanisms underlying the role of sugar acids in jujube fruit.Ĭhinese jujube ( Ziziphus jujuba Mill.) is one of the most economically important fruit trees in China. It was found that glucose is controlled by one additive-dominant major gene and polygenes, malic acid is controlled by two additive-dominant major genes and polygenes, and oxalic acid and quinic acid are controlled by two additive-dominant-epistatic major genes and polygenes. Analysis by the mixed major gene and polygene inheritance model was performed. The population showed continuous distributions with transgressive segregation on both sides. The sucrose and quinic acid levels in the progeny were higher than those in the parents. ![]() The coefficient of variation ranged from 28.4 to 93.9%. The sugar and acid levels in the F 1 and parent fruit were determined by HPLC. acido jujuba) ‘Xing16’ to obtain an F 1 population (179 hybrid progeny). Therefore, we used cover net control as a hybridization technique for the cross-breeding of Ziziphus jujuba Mill and ‘JMS2’ and ( Z. Little is known about jujube evolution and domestication, particularly with regard to the role of the sugar and acid components of jujube. ![]() Due to the low kernel rate, it is extremely difficult to establish hybrid populations. The sugar and acid concentrations in jujube are considerably higher than those in other plants.
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