Dwarfing Peach Trees and Development of Fruit Quality by Maintaining Partially Ringed Bark Strips as an Innovative Process in Dwarfing Technology

一種新的果樹矮化過程：維持部份環割以矮化桃樹達到果實品質之掌控

A. B. M. Sharif Hossain ； Fusao Mizutani ； Justus M. Onguso ； Ali Ramadan El-Shereif

《Botanical Studies》 47卷3期 (2006/07) Pp. 251-257

摘要

本實驗之目的在於研究部份環割（樹皮部份）對桃子大小的影響。桃（Prunus persica Batsch品種為'Hikawahakuho'）為供試材料。部份環割在樹皮上切開4公分長留2公厘（實驗1）或5公厘寬之連接帶（實驗2）。在這些實驗裡，不同之處理含：不環割（對照組），以刀片中割一次（4公分×5公厘環），或以刀片連續中割（實驗1)；在實驗2則為環割一次（4公分×5公厘環）或每二星期割一次。經部份環割之桃樹其莖之生長較對照組為低。樹皮之生長和莖相同。經部份環割之桃樹其花芽，不論是割一次或每兩星期割一次者，比對照組多。再者，樹幹之圓周長在上環比下環粗。經環割之桃樹其可溶性固形物含量比對照組高。結果顯示97~98%之部份環割技術可用來減小桃樹之體積。

關鍵字

部份環割 ； 矮化之桃樹 ； 果實品種

並列摘要

The effects of partial ringing (bark ringing) on size control of peach (Prunus persica Batsch var. 'Hikawahakuho') wild form (rootstock from seedling) trees was studied. Partial ringing was done on the trunk 4cm long leaving a connecting strip of bark 2mm wide (Experiment Ⅰ) or 5mm wide (Experiment Ⅱ). In these experiments, treatments included an un-ringed (control), mid cut once (4cm×2mm ring) and mid cut continuously with attached razor blade (Experiment Ⅰ), cut once (4cm×5mm ring) and cut fortnightly (Experiment Ⅱ). Shoot growth was lower in the partially ringed trees than control. Bark growth resembled shoot growth. Flower bud was higher in partial ringed trees (cut once and cut fortnightly) than control. Moreover, trunk circumference was higher in the above ring and lower in the below ring of partially ringed trees. Fruit wt^(-1) was higher in partially ringed trees than in control. Soluble solid content was higher, and acid content lower, than control in partially ringed trees. The results show that 97-99% partially ringed bark strips can be effectively used to reduce peach tree size.

並列關鍵字

Dwarfing peach ； Fruit quality ； Partial ringing