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园艺学报 ›› 2005, Vol. 32 ›› Issue (3): 489-492.

• 研究报告 • 上一篇    下一篇

‘粤引无核荔’退化果形成原因初探

叶永昌1;朱剑云1;王泽槐2;叶耀雄1;招晓东1;周碧燕2;季作梁2   

  1. (1 东莞市林业科学研究所, 东莞 523106; 2 华南农业大学园艺学院, 广州 510642)
  • 收稿日期:2004-08-06 修回日期:2004-12-10 出版日期:2005-06-25 发布日期:2005-06-25

Primary Studies on the Formation of Stunted Fruit in ‘Yueyin Wuheli’Litchi

Ye Yongchang1;Zhu Jianyun1;Wang Zehuai2;Ye Yaoxiong1;Zhao Xiaodong1;Zhou Biyan2;Ji Zuoliang2   

  1. (1Dongguan Forestry Science Institute, Dongguan 523106, China; 2College of Horticulture, South China AgriculturalUniversity,Guangzhou 510642, China)
  • Received:2004-08-06 Revised:2004-12-10 Online:2005-06-25 Published:2005-06-25

摘要: 对‘粤引无核荔’ (Litchi chinensis Sonn. ‘YueyinWuheli’) 正常果和退化果果皮的内源激素进行测定, 同时比较正常果和退化果结果母枝叶片中的碳水化合物。结果表明, 在谢花后56 d和66 d, 正常果果皮中的IAA /ABA、GA1 + 3 /ABA、iPAs/ABA值均高于退化果; 在谢花后56 d, 正常果结果母枝叶片的淀粉含量高于退化果; 在谢花后66 d, 正常果结果母枝的蔗糖含量高于退化果。认为退化果中IAA、GA和细胞分裂素与ABA的比值处于相对低的水平, 以及退化果结果母枝叶片碳水化合物水平相对较低可能是退化果形成的原因。

关键词: 荔枝, 退化果, 内源激素, 碳水化合物

Abstract: Phytohormone levels of peels in normal and stunted fruits of‘Yueyin Wuheli’Litchi were determined. The carbohydrate contents in the two kinds of bearing shoots were also determined in order to investigate the formation of stunted fruit. The results showed that values of IAA /ABA, GA1 + 3 /ABA and iPAs/
ABA in normal fruits after 56 d and 66 d of anthesiswere higher than those in stunted fruits. Starch content of leaves in bearing shoot of normal fruits after 56 d of anthesis, and sucrose content after 66 d of anthesis were higher than those of stunted fruits. It suggested that low levels of the rations of IAA, GA, cytokinin with ABA, as well as low levels of carbohydrate in stunted fruitsmight be the causes for the formation of stunted fruit.

Key words: Litchi, Stunted fruit, Phytohormone, Carbohydrate

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