ZHANG Chuan-jiang,CHEN Xia,LIN Min-juan.Study on Cold Requirement of Different Jujube Varieties[J].HEILONGJIANG AGRICULTURAL SCIENCES,2019,(08):88-92.[doi:10.11942/j.issn1002-2767.2019.08.0088]
不同枣品种需冷量研究
- Title:
- Study on Cold Requirement of Different Jujube Varieties
- Keywords:
- jujube; cooling capacity; dormancy
- 文献标志码:
- A
- 摘要:
- 为促进枣设施栽培,运用0~7.2 ℃模型、≤7.2 ℃模型和犹他模型对京枣39、尜尜枣、伏脆蜜等20个红枣品种的需冷量进行了研究,估算出不同枣品种的需冷量,确定适宜枣休眠需冷量鉴定的主要模型。结果表明:京枣39、伏脆蜜、马牙白、尜尜枣、八月炸5个品种需冷量较小,适宜设施促早栽培,其需冷量范围在288~480 h。京枣39在10月下旬进入休眠,11月下旬结束休眠。疙瘩脆、骏枣、辣椒枣、大灰枣、胎里红、七月鲜、宁阳圆红枣、冬枣、露脆9个品种需冷量较大,范围在576~874 h。新郑铃枣、六月鲜、金丝新2号、蜂蜜罐、早脆王、乳脆蜜6个品种需冷量最大,范围>874 h,约在1月中旬结束休眠。20个品种按需冷量的大小分为3个等级,即>874 h,576~874 h和288~480 h,适宜枣休眠需冷量估算的模型是0~7.2 ℃模型。
- Abstract:
- In order to promote facility cultivation of jujube,using the 0~7.2 ℃ model,7.2 ℃ model and Utah model to calculate chilling requirement of 20 jujube varieties,to estimate the cooling requirement of different jujube varieties,and determine the suitable local cooling requirement model.The results showed that cooling requirement of Jingzao 39,Fucuimi,Mayabai,Gagazao,Bayuezha were small and the cooling requirement were 288~480 h,they were suitable for the early facilities cultivation.Jingzao 39 entered dormancy in late October and ended dormancy in late November.Cooling requirement of Gedacui ,Junzao,Lajiaozao,Dahuizao,Tailihong,Qiyuexian,Ningyang Yuanhongzao,Dongzao,Lucui,was 576~874 h.Chilling requirement of Xinzhenglingzao,Liuyuexian,Xinsixin 2,Fengmiguan,ZaoCUIWang,Rucuimi moer than 874 h,dormancy ended in January.20 varieties were divided into three grades according to chilling requirement: >874 h,576~874 h and 288~480 h,0~7.2 ℃ model was suitable for estimating chilling requirement .
参考文献/References:
[1]Brummitt P K.Vascular plant familles and genera[M].Kew:Royal Botanic Gardens,1992:646-647.
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备注/Memo
收稿日期:2019-01-14