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当前位置: 首页 > 文章 > 豫楸1号扦插生根过程中营养物质含量及氧化酶类活性的变化 林业科学 2009,45 (4) 156-161
Position: Home > Articles > Change of Nutrient Content and Oxidase Activities during Rooting of Catalpa bungei cl. ‘Yu-1’ Scientia Silvae Sinicae 2009,45 (4) 156-161

豫楸1号扦插生根过程中营养物质含量及氧化酶类活性的变化

作  者：
王新建;何威;张秋娟;王念;祝亚军;朱延林
单  位：
河南省林业科学研究院;河南省退耕还林管理中心
关键词：
豫楸1号;扦插;生根机理;营养物质;氧化酶
摘  要：
The article investigated the changes of nutrients(total sugar,total nitrogen,total sugar/total N)and oxidases(IAAO,POD,PPO)of Catalpa bungei cl.'Yu-1' in the cutting rooting process.The results showed that:C.bungei cl.'Yu-1' cutting rooting initiated from the lenticel.The soluble protein in the forced-sprouting cuttings decreased dramatically in the early stage,and then the decrease tended to slow.The total sugar content slowly increased throughout.The total nitrogen had a little change.The total sugar/total nitrogen ratio had same trend with total sugar.The IAAO,PPO activity of the forced-sprouting cuttings showed up-down-up-down pattern in the rooting process,The POD activity rose in undulation pattern.The role of three oxidases was both independent with each other,and related to one another in the process of rooting by which affected rooting in integration.
译  名：
Change of Nutrient Content and Oxidase Activities during Rooting of Catalpa bungei cl. ‘Yu-1’
作  者：
Wang Xinjian 1,2 He Wei1 Zhang Qiujuan2 Wang Nian1 Zhu Yajun1 Zhu Yanlin1(1.Forsetry Academy of Henan Province Zhengzhou 450008;2. Central South University of Forestry and Technology Changsha 410004;3.Henan Province Conversion of Farmland into Forest and Crude Forest Protection Project Management Center Zhengzhou 450008)
关键词：
Catalpa bungei cl. ‘Yu-1’;cutting;rooting mechanism;nutrients;oxidase
摘  要：
The article investigated the changes of nutrients(total sugar,total nitrogen,total sugar/total N)and oxidases(IAAO,POD,PPO)of Catalpa bungei cl.'Yu-1' in the cutting rooting process.The results showed that:C.bungei cl.'Yu-1' cutting rooting initiated from the lenticel.The soluble protein in the forced-sprouting cuttings decreased dramatically in the early stage,and then the decrease tended to slow.The total sugar content slowly increased throughout.The total nitrogen had a little change.The total sugar/total nitrogen ratio had same trend with total sugar.The IAAO,PPO activity of the forced-sprouting cuttings showed up-down-up-down pattern in the rooting process,The POD activity rose in undulation pattern.The role of three oxidases was both independent with each other,and related to one another in the process of rooting by which affected rooting in integration.

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