|Table of Contents|

Effect of Low-temperature on Preservation and Variation of Endogenous Hormones in Embryo of Fresh Walnut(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2013年05期
Page:
134-138
Research Field:
Publishing date:

Info

Title:
Effect of Low-temperature on Preservation and Variation of Endogenous Hormones in Embryo of Fresh Walnut
Author(s):
MA Yan-pingLV Xin-gangMA Hui-lingFEI Zhao-xue
College of Forestry,Northwest Agricultural and Forestry University,Yangling,Shaanxi 712100
Keywords:
low temperaturepreservation effectendogenous hormonesfresh walnut
PACS:
S 664.1
DOI:
-
Abstract:
Taking ‘Liaoning 4’ fresh walnut as material,the preservation effect of walnut at (20±3)℃ and (0±1)℃ were studied,and endogenous hormones of ABA,GA3,IAA and ZR content in embryo were detected,and variation with ABA.The results showed that the embryo sprouted on 20 d and mildew at 5 d at (20±3)℃,but there was no germination in the 120 d storage period at the temperature of (0±1)℃;at the same time,the low temperature maintained the high content of ABA and restrained highly significantly the content of GA3,IAA,ZR and the ratios of w(IAA)/w(ABA),w(ZR)/w(ABA),and the ratio of w(GA3)/w(ABA) was not significantly affected.The results indicated that low temperature mainly kept inhibitory substances high and decreased the content of the growth-promoting substance.Therefore,low temperature produced significant preservation effect on the fresh walnut.

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Last Update: 2014-08-22