LI Chengchen,LI Yue,CAO Bing,et al.Study on Dormant Characteristic of Zizyphus jujuba Mill.cv.Lingwu Changzao and Zizyphus jujuba Mill.cv.Dongzao for Protected Cultivation[J].Northern Horticulture,2016,40(06):39-42.[doi:10.11937/bfyy.201606010]
设施栽培灵武长枣、冬枣休眠特性研究
- Title:
- Study on Dormant Characteristic of Zizyphus jujuba Mill.cv.Lingwu Changzao and Zizyphus jujuba Mill.cv.Dongzao for Protected Cultivation
- Keywords:
- Zizyphus jujuba Mill.cv.Lingwu Changzao; Zizyphus jujuba Mill.cv.Dongzao; protected culitivation; chilling requirement; bud germination rate
- 文献标志码:
- A
- 摘要:
- 以宁夏设施栽培灵武长枣、冬枣为试材，采用温度记录仪和水浸枝条萌芽法，应用3种需冷量估算模型（≤7.2℃模型、0～7.2℃模型和犹他模型），对其需冷量进行估算，并测定了相关生理指标。结果表明：不同估算模型下相同枣品种需冷量值略有差异；以≤7.2℃模型估算，设施栽培灵武长枣需冷量值为446 h；设施栽培冬枣为470 h。适宜的萌芽温度20～25℃，在休眠后期至萌芽初期，枝条可溶性糖含量呈下降趋势，蛋白质含量呈上升趋势。
- 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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备注/Memo
第一作者简介：李程琛（1991-），女，硕士研究生，研究方向为果树生理生态与栽培。E-mail：lichengchen_55@126.com.责任作者：曹兵（1970-），男，博士，教授，现主要从事旱区森林培育及经济林栽培生理的教学与研究等工作。E-mail:bingcao2006@126.com.基金项目：宁夏对外科技合作资助项目（2014-20-4）。