| 荔枝果实发育过程中细胞分裂素的变化 |
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| 引用本文： | 季作梁,王钢涛.荔枝果实发育过程中细胞分裂素的变化[J].果树学报,1996(2). |
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| 作者姓名： | 季作梁 王钢涛 |
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| 作者单位： | 华南农业大学园艺系 |
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| 摘 要： | 荔枝果实中含有玉米素、二氢玉米素和二氢核糖基玉米素。果实发育过程中细胞分裂素（ＣＴＫ）含量的动态是：谢花后两周内含量最高，然后下降并稳定在低水平。用外源６一卞基氨基嘌呤（６一ＢＡ）处理，仅在果实发育初期有明显保果作用。果实采后贮藏期间ＣＴＫ含量稳定在低水平；贮藏前用６一ＢＡ处理，能延迟果实衰老，提高果品质量。
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| 关 键 词： | 荔枝 果实发育 细胞分裂素 坐果 |
The Changes of Endogenous Cytokinins During Fruit Development in Litchi(Litchi chinensis) |
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| JIZuoliang and Wang Gangtao.The Changes of Endogenous Cytokinins During Fruit Development in Litchi(Litchi chinensis)[J].Journal of Fruit Science,1996(2). |
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| Authors: | JIZuoliang and Wang Gangtao |
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| Abstract: | Three cytokinins:zeatin ,dihydro-zeatin and dihydro- zeatin- riboside were found in Litchi fruit extract byHPLC. Concentration of cytokinins in the fruit was highest during the first two weeks after anthesis and thendecreased and leveled off. Application of BA(6- benzyl-aminopurine)on the fruits reduced fruit drop effec-tively only when treated sixth day after anthesis. The concentration of cytokinins remained low during thefruit storage. Postharvest treatment of the fruits with BA retarded senescence and preserve quality of thefruits. It reduced the losses of sugar and organic acid of the fruits. |
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| Keywords: | Litchi Fruit Development Cytokinin Fruit set |
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