香蕉炭疽病菌之變異性
Other Title
Variation of Colletotrichum musae in Taiwan
Journal
植物保護學會會刊
Journal Volume
33
Journal Issue
3
Pages
262-274
Date Issued
1991-06
Date
1991-06
Author(s)
楊宏仁
莊再揚
Yang, H.R.
Chuang, T.Y.
Abstract
自台灣中南部採集香蕉炭疽病罹病果組織分離，經組織分離而得66株香蕉炭疽病菌單胞菌株，依其在PDA培養基上斜面培養之外部性狀，可區分成三群。A群菌落呈鮮橙色、菌絲為白色而稀疏、分生胞子堆橙色而濃密，佔66株之53.03%；B群菌落表面桃色、菌絲灰白色而稀疏、分生胞子堆較少，有黑色菌核，佔28.79%；C群則外觀灰黑色、菌絲灰色，有橙紅色較大但稀少的分生胞子堆，亦可產生菌核，佔18.18％。A及C群極穩定，B群則在大量單胞分離時偶有轉變成A或C群。以菌體之蛋白質作電泳分離，無法藉總蛋白質及脂醃圖譜作A、B、C三群分別之佐證。三群代表菌株對不同養分需求、酸鹼度和溫度條件下之營養生長及產胞量無顯著差異，但是B及C群對蕉果之病原性較A群為強。
Based on the fungus grown on PDA at 25℃ in the dark, 66 isolates of Colletotrichum musae obtained from banana fruit in Taiwan were divided into three groups, designated as A, B, and C Group A is characterized by orange colony with white scant mycelium and dense orange conidial ooze; group B is by pink colony with palegrey mycelium, scant orange conidial ooze and scierotia appeared; group C is by greyblack colony with grey mycelium, scant orange conidial ooze and scierotia appeared. The cultural characters of the three groups were very stable except group B which may slightly vary when 50-100 single spore isolates descended from the same parent were grown on PDA. However, these three groups were not able to be distinguished clearly with the patterns of soluble protein and esterase isoenzyme, Similar responses to the cultural media, temperature and pH were found among these three groups. Compared with group A, group B and C were more virulent to banana fruit.
Subjects
香蕉炭疽病
Coltelotrichum musae
Banana anthracnose
Colletotrichum musae
Publisher
植物保護學會
Type
journal article
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