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臺灣李需冷量評估

Estimation of Chilling Requirement for Plum Cultivars in Taiwan

摘要


台灣李是全世界落葉果樹需冷量最低的寶貴種原之一,在學術研究、國際種原交換或實際應用栽培上皆有必要探討其需冷量。連續四年利用一系列已知需冷量的桃關鍵栽培種('Flordared' 100 CU, 'Premier' 150 CU, 'TropicSweet' 175 CU, 'TropicSnow' 200 Cu及'Flordagold' 325 Cu等5個)的盛花期早晚,與待評估需冷量李栽培種的開花次序相互比較,來評估18個李栽培種的需冷量。李用此法所評估出來的CU值雖不是很精確,但各栽培種盛花期出現的次序與需冷量高低間的關係是非常密切的。配合多年的花期調查數據與氣象資料,利用台灣新開發的低需冷模式可較精確地評估本地李樹栽培種需冷量。

關鍵字

關鍵栽培種 需冷量 台灣需冷模式

並列摘要


The cultivars of plum in Taiwan are those of the lowest chilling deciduous fruits in the world. The chilling requirement of 18 plum cultivars were evaluated by comparing blooming date with peach key cultivars: 'Flordared' (100 CU), 'Premier' (150 CU), 'TropicSweet' (175 CU), 'TropicSnow' (200 CU) and 'Flordagold' (325 CU) for four years. The CU values allocated for each plum tree are not precise, but the relative orders of full bloom and chilling requirements seem to correspond with different amount of CU values. More accurate results were estimated by Taiwan chilling model. Using the Taiwan chilling model, the chilling requirement of plum genotypes could be more accurately estimated.

被引用紀錄


劉芳吟(2010)。生長調節劑對九重葛及百香果生長及開花之影響〔博士論文,國立臺灣大學〕。華藝線上圖書館。https://doi.org/10.6342/NTU.2010.02846
張嵐雁(2009)。臺灣桑樹種原分析〔碩士論文,國立臺灣大學〕。華藝線上圖書館。https://doi.org/10.6342/NTU.2009.01771

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國際替代計量