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园艺学报 ›› 2004, Vol. 31 ›› Issue (1): 73-75.

• 研究报告 • 上一篇    下一篇

‘妃子笑’荔枝不同花期果实大小与激素含量的关系

李建国;周碧燕;黄旭明;黄辉白   

  1. (华南农业大学中国荔枝研究中心, 广州510642)
  • 收稿日期:2003-03-04 修回日期:2003-09-09 出版日期:2004-02-25 发布日期:2004-02-25

Studies on Endogenous Hormones in the Pericarp of ‘Feizixiao’Litchi in Relation to Different Fruit Sizes from Early and Late Bloom

Li Jianguo ;Zhou Biyan;Huang Xuming; Huang Huibai   

  1. ( Chinese Litchi Research Center , South China Agricultural University , Guangzhou 510642 , China)
  • Received:2003-03-04 Revised:2003-09-09 Online:2004-02-25 Published:2004-02-25

摘要: 对‘妃子笑’荔枝同一穗上的早花果和晚花果的对比研究发现, 各时期处于大体相同发育阶
段的早花果鲜质量极显著大于晚花果, 其果皮中GA1 + 3 、IAA 和ABA 的含量以及IAA/ ABA 的比值均低于晚花果, 而ZRs 含量和ZRs/ ABA 比值高于晚花果。据此认为, 果皮中具有高的ZRs 含量和ZRs/ ABA 比值与早花‘妃子笑’荔枝大果形成有关, 而晚花果中高含量的IAA 和IAA/ ABA 比值则与其高的坐果率有关。

关键词: 荔枝, 花期, 果实, 内源激素, 果皮

Abstract: Endogenous hormone levels in the pericarp and the fruit mass were comparatively studied between the fruits from early and late blooms on the same panicles of ‘Feizixiao’litchi . The results showed that fresh mass of the early-bloom fruit was significantly larger than that of late2bloom , and contents of GA1 + 3 、IAA , ABA and IAA/ABA ratio in the pericarp from early-bloom fruit were lower than those from late-bloom fruit , whereas , ZRs level and ZRs/ ABA ratio were higher during fruit development . It is suggested that higher ZRs level and ZRs/ ABA ratio are associated with the formation of larger fruit size in early bloom , while higher IAA level and IAA/ ABA ratio might be related to higher fruit set for the fruit from late bloom.

Key words: Litchi (Litchi chinensis Sonn. ), Bloom period, Fruit size, Endogenous hormone, Pericarp

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