| 苹果梨花芽分化期几种酶活性的变化 |
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| 引用本文： | 李秉真,李雄,孙庆林,张建华,马青枝.苹果梨花芽分化期几种酶活性的变化[J].园艺学报,2001,28(2):159-160. |
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| 作者姓名： | 李秉真 李雄 孙庆林 张建华 马青枝 |
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| 作者单位： | (内蒙古农牧学院生物工程系, 呼和浩特010018) |
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| 基金项目： | 内蒙古自然科学基金资助项目（9610E38） |
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| 摘 要： | 对‘苹果梨’花芽分化各时期叶片中过氧化物酶(POD) 、吲哚乙酸(IAA) 氧化酶、蔗糖酶和过氧化氢酶(CAT) 活性进行研究, 前三者在花芽分化临界期(7月23日) 达高值, 而后者处于低值; 在花蕾、花萼分化期CAT 活性增强, 蔗糖酶、IAA 氧化酶、POD 活性降低; 花瓣、雄蕊、雌蕊分化期POD、IAA 氧化酶活性增加, 蔗糖酶变化不大, CAT降至最低。
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| 关 键 词： | 梨 苹果梨 花芽分化 酶活性 |
| 文章编号： | 0513-353X(2001)02-0159-02 |
| 修稿时间： | 2000年7月3日 |
The Changes of Enzymes Activity during the Flower Bud Differentiation of'Ping guoli' |
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| Li Bingzhen,Li Xiong,SUN Qinglin,Zhang Jianhua,Ma Qingzhi.The Changes of Enzymes Activity during the Flower Bud Differentiation of'Ping guoli'[J].Acta Horticulturae Sinica,2001,28(2):159-160. |
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| Authors: | Li Bingzhen Li Xiong SUN Qinglin Zhang Jianhua Ma Qingzhi |
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| Institution: | (Department of Bioengineering , Inner Mongolia College of Agriculture and Animal Husbandry , Huhehot 010018) |
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| Abstract: | The change of peroxidases（POD），catalase（CAT），IAA oxidase and sucrase activity in leaves during flower bud differentiation of "Pingguoli"was studied.The results showed that POD，IAAoxidase and sucrase act ivity were high，but CAT activity was low in the critical period of flower bud d ifferentiation（23，July）.CAT activity increased，sucrase activity decreased an d IAAoxidase，POD activity decreased little during alabastrum，calyx differen-tiation. POD，IAAoxidase activity gradually increased，sucrase activity didn't change significantly，CAT activity declined to the lowest d uring petal，stamen，pistil differentiation. |
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| Keywords: | Pear Pyrus pyrifolia Nakai cv Pingguoli Flower bud differentiation Enzymes activity |
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