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An analysis of hormones and mineral nutrients in fruit from terminal and lateral racemes of two blueberry cultivars

文献类型： 外文期刊

作者： Shen, Min 1 ; Chen, Qiang 1 ; Zhang, Yan 1 ; Guo, Peipei 1 ; Zhu, Bo 1 ; He, Feng 1 ; Hu, Yong 3 ; Xiao, Jiaxin 1 ;

作者机构： 1.Anhui Normal Univ, Coll Life Sci, Key Lab Conservat & Utilizat Important Biol Resou, Wuhu, Anhui, Peoples R China

2.Yancheng Teachers Univ, Sch Marine & Biol Engn, Yancheng, Jiangsu, Peoples R China

3.Anhui Acad Agr Sci, Agr Prod Proc Res Inst, Hefei, Anhui, Peoples R China

关键词： Vaccinium ashei; fruit development; hormone; mineral nutrient

期刊名称：JOURNAL OF BERRY RESEARCH （ 影响因子：1.7； 五年影响因子：1.8 ）

ISSN： 1878-5093

年卷期： 2023 年 13 卷 1 期

页码：

收录情况： SCI

摘要： BACKGROUND: In general, fruit that develops from early-opening flowers ripens earlier than fruit from late-opening flowers. However, the opposite has been observed in the rabbiteye blueberry cultivar "Brightwell" (Vaccinium ashei). OBJECTIVE: From the differences of endogenous hormones and mineral nutrition, with attempt to analyze the reasons for fruit from late-opening flowers on lateral racemes of "Brightwell" ripened earlier than fruit from early-opening flowers on terminal racemes. RESULTS: Fruit from late-opening flowers on lateral racemes of "Brightwell" ripened earlier than fruit from early-opening flowers on terminal racemes. This may be associated with the higher levels of giberellin 1, abscisic acid (ABA), salicylic acid, jasmonic acid, phosphorus, iron and boron in the early developmental stages, and the higher ABA level and lower giberellin 9 level in the fruit ripening stages on lateral racemes, compared with on terminal racemes. However, the fruit borne on the terminal racemes of "O'Neal" grew faster than fruit borne on lateral racemes, this may be correlated with the higher IAA, iron, manganese, zinc and boron levels, and the lower ABA level, in the early fruit developmental stages on terminal racemes, compared with on lateral racemes. CONCLUSIONS: The growth and ripening differences in fruit set at the two positions of the two blueberry cultivars may be associated with hormonal and nutritional control during fruit development.

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