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吲哚丁酸对桉树插条多酚氧化酶的影响及其与生根的关系
黄卓烈;李明;谭绍满;巫光宏;詹福建;龙腾
1.华南农业大学生命科学学院;2.兰州大学干旱生态学国家重点实验室;3.华南农业大学林学院;4.国家林业局雷州林科所 广东广州510642;5.甘肃兰州730000;6.广东广州510642;7.广东湛江524348
摘要:
尾叶桉MLA无性系(简称MLA)为难生根植物,尾叶桉U6无性系(简称U6)和刚果12号桉W5无性系(简称W5)为易生根植物。MLA插条内的PPO活性比U6、W5的低。用吲哚丁酸(IBA)处理桉树的插条后,在扦插生根的不同阶段,插条内的PPO活性呈现规律性的变化。蛋白质含量呈上升趋势。PPO同工酶谱带也随生根的进程出现增多现象。讨论了多酚氧化酶与桉树插条生根的关系。
关键词:  多酚氧化酶    桉树    扦插生根    吲哚丁酸
DOI:
分类号:
Fund project:广东省重点攻关项目(99M04201G);; 雷州林业局资助项目。
Abstract:
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