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Difference of Enzyme Activity and the Content of Endogenous Hormones in the Leaves of Different Apple Dwarfing Rootstocks(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2013年14期
Page:
16-18
Research Field:
Publishing date:

Info

Title:
Difference of Enzyme Activity and the Content of Endogenous Hormones in the Leaves of Different Apple Dwarfing Rootstocks
Author(s):
WEI Xiao-wen; GUO Jing; WANG Fei; ZHANG Xue-ying; XU Ji-zhong
Department of Horticultural，Hebei Agricultural University,Baoding,Hebei 071001
Keywords:
apple; rootstocks; enzyme activity; endogenous hormones
PACS:
S 661-1
DOI:
-
Abstract:
Different apple dwarfing rootstocks(vigorous,semidwarfing,dwarfing rootstocks）were used to compare their difference on the enzyme activity and the content of endogenous hormones in the leaves.The results showed that POD and IOD activities of leaves were markedly different,the POD and IOD activities of vigorous rootstocks were markedly lower than those of semidwarfing rootstocks and dwarfing rootstocks；the content of IAA,ABA,GA and ZR in leaves in spring were different,and the ratio of IAA to ABA from dwarfing rootstocks was markedly lower than that from vigorous rootstocks and semi dwarfing rootstocks.Therefore,the activities of POD and IOD of leaves and the ratio of IAA to ABA from dwarfing rootstocks can be used to forecast the dwarfing ability.

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Last Update: 2014-08-09