ZHANG Xiao-yun,YANG Wei-wei,FEI Qing-qing,et al.Study on the Chilling and Heat Requirement for Peach Cultivars Used in Protected Facility in Northern Xinjiang[J].HEILONGJIANG AGRICULTURAL SCIENCES,2019,(07):24-29.[doi:10.11942/j.issn1002-2767.2019.07.0024]
北疆地区设施主栽桃品种需冷量和需热量研究
- Title:
- Study on the Chilling and Heat Requirement for Peach Cultivars Used in Protected Facility in Northern Xinjiang
- Keywords:
- peach; flower bud; leaf bud; chilling requirement; heat requirement
- 文献标志码:
- A
- 摘要:
- 为研究北疆地区设施桃树品种的需冷量、需热量之间的关系,以7种主栽设施桃品种为试验材料,利用不同的经典需冷量和需热量模型估算各品种叶芽、花芽的需冷量和需热量。结果表明:北疆地区7种设施主栽桃品种中,金秋晚水蜜、春雪、春美和贵妃红的叶芽和花芽需冷量较低,犹他模型估算值在330~560 CU;中油16叶芽和花芽的需冷量居中为428~560 CU;中农金辉、映霜红叶芽和花芽的需冷量最高在684~828 CU。春美、春雪叶芽和花芽的需热量最低,有效积温模型估算的需热量值为256 D℃;金秋晚水蜜、中贵妃红、中油16叶芽和花芽的需热量居中,在279~369 D℃;中农金辉、映霜红叶芽和花芽的需热量最高,在375~448 D℃。需冷量低的品种需热量也低,萌芽和开花时间也早。北疆地区,选用低需冷量品种金秋晚水蜜、春雪、春美和贵妃红可以保证设施桃树早开花结果;不同桃品种叶芽和花芽需冷量和需热量存在差异,需冷量和需热量之间呈显著正相关。
- Abstract:
- In order to study the relationship between chilling requirement and heat requirement for peach cultivars used in greenhouse in Northern Xinjiang area.Seven peach cultivars used in greenhouse were chosen as materials.Three classic chilling requirement models and two heat requirement models were used to estimate the chilling requirement and heat requirement for leaf and flower bud,respectively.The results showed that the he chilling requirement for Jinqiuwanshuimi,Chunxue,Chunnei and Guifeihong were between 330 and 560 CU irrespective of leaf or flower buds,belonging to low chilling requirement cultivars.The chilling requirement for Zhongyou No.16 were 428 and 560 CU for flower and leafy bud,respectively,and the cultivar belongs to a moderate chilling requirement cultivar.The chilling requirement of high chilling requirement cultivars Zhongnongjinhui and Yingshuanghong were between 684 and 828 CU.The heat requirement of leafy and flower buds for Chunmei and Chunxue was at a low level,and Jinqiuwanshuimi,Guifeihong,Zhongyou No.16 were at a moderate level,and Zhongnongjinhui and Yingshuanghong were at a high level,and the range (or value) were 256 D℃,279-369 D℃ and 375-448 D℃,respectively.The low chilling requirement peach cultivars had low heat requirement and the bud break and flowring time were earlier.In Northen Xinjiang,choosing low chilling and heat requirement peach cultivars could get flower earlier.The chilling and heat requirement between leafy and flower bud were not the same.There was a significantly positive correlation relationship between chilling and heat requirement.
参考文献/References:
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备注/Memo
收稿日期:2019-03-31