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Study on Dormant Characteristic of Zizyphus jujuba Mill.cv.Lingwu Changzao and Zizyphus jujuba Mill.cv.Dongzao for Protected Cultivation(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2016年06
Page:
39-42
Research Field:
Publishing date:

Info

Title:
Study on Dormant Characteristic of Zizyphus jujuba Mill.cv.Lingwu Changzao and Zizyphus jujuba Mill.cv.Dongzao for Protected Cultivation
Author(s):
LI Chengchen1LI Yue1CAO Bing1WAN Zhongwu2
(1.School of Agriculture,Ningxia University,Yinchuan,Ningxia 750021;2.Daquan Forest Farm,Lingwu,Ningxia 751400)
Keywords:
Zizyphus jujuba Mill.cv.Lingwu ChangzaoZizyphus jujuba Mill.cv.Dongzaoprotected culitivationchilling requirementbud germination rate
PACS:
-
DOI:
10.11937/bfyy.201606010
Abstract:
Taking Zizyphus jujuba Mill.cv.Lingwu Changzao and Zizyphus jujuba Mill.cv.Dongzao for protected cultivation in Ningxia as experiment materials,using the method of branch soaking sprouting and air temperature observation,we evaluated the chilling requirement of two jujube varieties based on three different chilling requirement models(≤7.2℃ model,0-7.2℃ model and Utah model),and measured some physiological indices of jujube branches during their dormancy period.The results showed that,there was a slight difference in chilling requirement for the same variety under different estimate models.The chilling requirement of Zizyphus jujuba Mill.cv.Lingwu Changzao and Zizyphus jujuba Mill.cv.Dongzao for protected cultivation were 446 hours and 470 hours (≤7.2℃ model) respectively.Suitable bud sprouting germination temperature distribution ranges was 20-25℃.At the late period of dormancy to germination,the content of soluble sugar and protein in the branches increased.

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Last Update: 2016-05-03