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Effects of Plant Growth Regulators(PGRs) on Metabolism of Assimilation and Endogenous Hormone in Soybean Leaves(PDF)

《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Issue:
2008年04期
Page:
593-598
Research Field:
Publishing date:

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Title:
Effects of Plant Growth Regulators(PGRs) on Metabolism of Assimilation and Endogenous Hormone in Soybean Leaves
Author(s):
ZHAO Li-ming12ZHENG Dian-feng1DU Ji-dao1GONG Zhan-yuan1WANG Hong-lei3XIANG Hong-tao1LIU Bing1
1College of Plant Science,Heilongjiang August First Land Reclamation University,Daqing 1633192;
2 Rice Research Institute of Land Reclamation Academy of Heilongjiang Province,Jiamusi 154025;
3Information Research Institute,Heilongjiang Academy of Agricultural Sciences,Harbin 150086,Heilongjiang,China
Keywords:
Plant growth regulatorSoybeanAssimilationEndogenous hormones
PACS:
S565.1
DOI:
10.11861/j.issn.1000-9841.2008.04.0593
Abstract:
The physiological characteristic of leaf is one of the main problems on filling progress in soybean grain,and senescence is a key factor affecting leaf photosynthetic physiology.In the present study,we used a soybean(Glycine max)cultivar,Kennong 4 and three plant growth regulators(PGRs),SOD simulation material (SOD M),Choline chloride (Cc)and Diethyl aminoethyl hexanoate (DTA-6) by spraying in a field experiment.The aim of this experiment was to discover difference of metabolism assimilation and investigate responses of endogenous hormone in soybean leaves to different exogenous PGRs.It was also to provide references for anti-aging and increasing function of metabolism assimilation in the pod filling (R5) stage.The results showed that SODMand DTA-6 significantly enhanced contents of soluble proteins,soluble sugar,NO3--N and free amino acids(FAA),but Cc was not obvious.On the other hand,SODMsignificantly increased the contents of IAA,GA,and CTK from the 5th day to the 30th day after spraying.DTA-6 improved the contents of IAA and CTK from the 15th day to the 30th day after spraying,however,the contents of IAA and CTK were reduced with Cc in varying degrees.The above results indicated that SODMand DTA-6 were effective to enhance the antioxidant capacity and slow down the senescence of leaves,and control physiological assimilation function of metabolism assimilation in soybean leaves.

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Last Update: 2014-10-07