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Title 

In vivo screening for biocontrol agents(BCAs) against Streptomyces scabiei causing potato common scab

 

감자더뎅이병 방제제 개발

Authors 

H B LeeJong Wun ChoDong Jin parkC T LiY H KoJ H SongJ S KohB J KimChang-Jin Kim

Publisher 

Han Rim Won Publishing Company

Issue Date 

2004

Citation 

Plant Pathology Journal, vol. 20, no. 2, pp. 110-114

Keywords 

antagonistic activityBCApotato commom scabstreptomyces scabieichmical susceptibility

Abstract 

Through in vitro screening for biocontrol agents (BCAs) against Streptomyces scabiei causing potato (Solanum tuberosum) common scab, 19 streptomycete and 17 fungal isolates with antagonistic activity were selected as BCA candidates. For the selection of BCA candidates which are highly resistant to 10 kinds of antibiotics or pesticides, chemical susceptibility testing was initially performed in vitro. A remarkable degree of variation in susceptibility to antibiotics or pesticides was observed among the isolates tested. Streptomycete A020645 isolate was highly resistant to all the tested chemicals except neomycin up to 5,000 ppm. On the other hand, out of 36 antagonistic microbes subjected to in vivo pot tests using cultivar Daejima, four streptomycete isolates namely, A020645, A010321, A010564, and A020973, showed high antagonistic activity with >60% and 55% control value, respectively, and high chemical resistance to 10 kinds of chemicals. Therefore, these isolates were selected as potential BCAs for the control of potato common scab.

ISSN 

1598-2254

Appears in Collections

1. Journal Articles > Journal Articles

Registered Date

2017-04-19


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