由Exserohilum rostratum 引起之蝴蝶蘭花瓣斑點病
Other Title
Petal Spot of Phalaenopsis Caused by Exserohilum rostratum
Resource
台灣農業研究68(1): 47-58
Journal of Taiwan Agricultural Research 68(1): 47-58
Journal
台灣農業研究
Journal Volume
68
Journal Issue
1
Pages
47-58
Date Issued
2019-03-05
Date
2019-03-05
Author(s)
Abstract
2017年4月於台南地區一處蘭園發現蝴蝶蘭花瓣上產生褐色圓形凹陷病斑，大多數病斑產生後不會繼續擴大，但嚴重影響花卉觀賞品質，依病徵形態將本病稱為蝴蝶蘭花瓣斑點病（petal spot）。由罹病組織所分離之可疑病原菌，於Potato dextrose agar（PDA）平板培養時產生黑灰色茂密菌絲，其分生孢子（conidia）為褐色至深褐色長橢圓形，於分生孢子末端突出黑褐色之臍（hilum）。
In April 2017, flower diseases of Phalaenopsis (Sogo Yukidian 'V3') occurred in Tainan area with the symptoms showed brown small spots on petal, sometimes sunken, and about 1 mm or less in diameter without expanding. It seriously affected quality of ornamental flowers and cut flowers. The pathogen isolated from the diseased tissue produced dark grey mycelium on potato dextrose agar (PDA).
Subjects
蝴蝶蘭
花瓣斑點病
藥劑篩選
Phalaenopsis
Petal spot
Fungicide screening
Publisher
農業試驗所
Type
journal article
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