Cultural Characteristics of Chromogenic and Teleomorphic Strains of Collectotricum gloeosporioides Isolated from Apple and Red pepper

사과와 고추에서 분리한 Colletotrichum gloeosporioides의 색소형성형 및 유성세대형 계통의 배양적 특징

  • Lee, Du-Hyung (Department of Environmental Horticulture, Seoul City University)
  • 이두형 (서울시립대학교 환경원예학과)
  • Published : 1997.12.30

Abstract

Conidia and cultural characteristics of isolates of chromogenic and teleomorphic strains of Colletotrichum gloeosporioides from apple and red pepper were compared. The mycelial growth of teleomorphic strains was faster than that of chromogenic strains in potato dextrose agar and V-8 agar. The chromogenic isolates from apple and red pepper developed. white gray to gray green mycelial rings interspersed with salmon to apricot colored conidial masses in colonies on potato dextrose agar and V-8 agar and none formed on ascigerous stage in cultures. The chromogenic isolates from red pepper produced conidia, most with one apex attenuated on apple and potato dextrose agar whereas fusiform and smaller conidia were produced in V-8 agar and water agar leaf medium. The chromogenic isolates from apple produced fusiform conidia in the media tested. The teleomorphic isolates from apple and red pepper produced cylindrical conidia, most with both apices rounded, developed white gray to dark olive green in a zonate pattern with small dark spots throughout colonies and formed the ascigerous stage in cultures.

사과와 고추에서 분리된 Colletotrichum gloeosporioides의 색소형성형 및 유성세대형 계통균주들의 배양적 및 분생포자의 특성을 비교하였다. 유성세대 형성 계통들의 균사생장은 감자한천배지와 V-8배지에서 색소형성형계통에 비하여 빨랐다. 사과와 고추에서 분리된 색소형성형계통은 감자한천배지와 V-8배지에서 회백${\sim}$회록색의 균사가 환문을 이루면서 군데 군데에 황색${\sim}$연분홍색의 포자덩어리를 생성하였고 자낭포자세대를 형성하는 것은 없었다. 고추에서 분리된 계통은 사과와 감자한천배지에 한쪽 끝이 좁은 포자를 생성하였으나 V-8배지와 물한천잎배지의 것은 방추형이고 더 작았다. 사과에서 분리된 색소형성계통은 공시된 모든 배지에서 방추형의 분생포자를 생성하였다. 사과와 고추에서 분리된 유성세대 형성 계통들은 원통형의 포자를 형성하였는데 대부분은 양끝이 둥글었으며 감자한천배지와 V-8배지에서는 소흑점이 산재한 회백${\sim}$흑록색의 환문균층을 이루면서 자낭포자세대를 형성하였다.

Keywords

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