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氰胺打破頂端優勢的初步觀察

By Leslie H. Fuchigami, Cheng-Chu Nee and 倪正柱

Abstract

以適當的濃度,在適當的休眠時期,氰胺可以改變某些植物的頂端優勢,造成暫時性的基部優勢,這種技術可以刺激大部分的側芽萌發,此種現象與枝條誘引及摘心等園藝技術有類似的功能The plants of crabapple ( Malus floribunda Sieb) and persimmon ( Diospyros lcaki L. ) have been used to test the effects of cyanamide to overcome apical dominance in United States and Taiwan. R.O.C. \ud The partial chilled dormant shoots of crabapple and persimmon were painted with 2.1 % and 4.9 % of cyanamide respectively according the size of shoots. The lowest auxillary bud sprout and elongated first. The other auxillary buds grew basically later, while controls grew with apical dominance.\ud The order of sprouting seems to be relative with the hardiness of buds. The lower and mature buds are more resistant than the upper and younger buds, while the damange was induced by cyanamide

Topics: Hydrogen cyanamide, Apical dominance, 頂端優勢, 氰胺
Year: 2014
OAI identifier: oai:ir.lib.nchu.edu.tw:11455/81492
Journal:

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