台灣甜瓜白粉病菌 Podosphaera xanthii 的生理小種
Other Title
The Races of Podosphaera xanthii Causing Melon Powdery Mildew in Taiwan
Journal
台灣農業研究
Journal Volume
56
Journal Issue
4
Pages
307-315
Date Issued
2007-12-06
Date
2007-12-06
Author(s)
黃晉興
王毓華
Jin-Hsing Huang
Yu-Hwa Wang
Abstract
利用甜瓜白粉病菌分生孢子單孢培養於盛有葉圓片的培養皿內，以純化培養自各地蒐集的菌株。從2001-2004年自台中霧峰、雲林崙背、台南市及桃園八德等地罹患白粉病‘金輝’、‘蜜世界’、‘香華’的甜瓜葉片，及呈現抗病反應的‘台農10號’葉片上的稀疏病斑，所分離蒐集的菌株均爲Podosphaera xanthii生理小種1(raee 1)；2005年春季，從感病的‘台農10號’分離出P. xanthii生理小種5 (race 5)，同時栽培的感病‘香華’品種所分離的菌株則生理小種1及5均有，而同年春季於台南亦可分離得生理小種1及5。
The single-conidium culture method was utilized for the purification of powdery mildew isolates collected from melons. The race identification was conducted by the leaf-disc inoculation on 8 differential melon varieties. From 2001 to 2004, Podosphaera xanthii race 1 was isolated from Wufeng, Lunbei, Tainan, and Bade. The hosts included sensitive cultivars of 'Golden light', 'Honey world', and 'Hsianghwa', and the resistant cultivar 'Tainung No. 10'. In spring 2005, P. xanthii race 5 was isolated from cultivar Tainung No. 10, and races land 5 from the cultivar Hsianghwa.
Subjects
甜瓜
白粉病
生理小種
Melon
Powdery mildew
Podosphaera xanthii
Race
Publisher
農業試驗所
Type
journal article
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