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標題: 不同時期修剪對番荔枝開花之影響
Effects of Pruning Time on Flowering of Sugar Apple (Annona squamosa L.)
作者: 李建勳
Chein-Shine Li
Ching-Cheng Chen
Yau-Shiang Yang
關鍵字: 碳水化合物;Flowering;溫度;開花;修剪;番荔枝;澱粉;Pruning;Sugar Apple;Starch;Carbohydrate;Temperature
Project: 興大園藝, Volume 27, Issue 3, Page(s) 1-12.
Horticulture NCHU, Volume 27, Issue 3, Page(s) 1-12.
為探討不同時期剪對番荔枝(Annona squamosa L.)開花之影響,分別於冬季(1~3月)及夏季(7~10月)進行修剪試驗。由調查結果得知,冬季修剪時問愈早,萌芽所需時間較長;1月修剪需23日,2月及3月修剪分別需18日及13日。從修剪至始花所需時間,1月修剪為104日,2月為79日,3月則僅需55日。結果枝的平均開花數以3月修剪4.6朵較多,花蕾較重,1月及2月修剪開花數較少為1.5及2.8朵且花蕾較輕。夏季(7月及8月)修剪萌芽所需時間較冬季者短,分別為5日及6日。修剪至始花所需時間,7月及8月修剪者分別為31日及28日,顯著較冬季修剪者短。而9月及10月,修剪後之萌芽率不高,雖有少數聚形成,但在開花前即已脫落。

The effect of pruning time on the flowering of sugar apple (Annona squamosa L.) was investigated in this study. Plants were pruned in winter (January-March) and summer (July-October), respectively. The time from pruning to bud sprouting was longer in January pruning treatment, which was 23 days, compared to 18 days in February and 13 days in March . The days from prunig to 1 st flower open were 104 for January pruning treatment, 79 for February and 55 for March. The average numbers of flowers per bearing shoot highest (4.6) for the March pruning to treatment with weightier bud, followed by 1.5 for January treatment and 2.8 for February treatment with lighter bud. The buds sprouted faster after pruning in summer (July-August) than in winter. It took only 5 days for July treatment and 6 days for August treatment. There were low sprouting percentage and few flower buds formed on the shoots, when plants were pruned in September and October.
ISSN: 0255-5921
Appears in Collections:園藝學系
第27卷 第03期

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