Isolation and bioactivity of bacillus sp. YJH-051 against colletotrichum gloeosporioides, the fungal pathogen for anthracnose disease on peppers

Jae Hong Yoo, Yun Jeong Lee, Byeoung Soo Park, Sung Eun Lee, Yong Ki Kim, Jang Sun Seo, Gab Hee Ryu, Jin Ho Joo

Research output: Contribution to journalArticlepeer-review

Abstract

A microbe isolated from a cultivated field of pepper was tested for biocontrol of anthracnose disease on peppers caused by Colletotrichum gloeosporioides KACC 40063 by a cup method and a whole plant method in vivo. The isolate was identified as Bacillus subtilis YJH-051 (YJH-051) by 16S rRNA gene sequence. The antifungal activity of YJH-051 culture broth was compared with a synthetic fungicide Gassin containing carbendazim (40%) and kasugamycin (3.45%), and an organic extract of Bacillus subtilis JKK238 as a positive control. YJH-051 showed a similar fungicidal activity against anthracnose disease at the concentration of 50 μl ml−1 in comparison to Gassin using a cup method. YJH-051 also exhibited its potent fungicidal activity towards C. gloeosporioides in the whole plant method at the concentration of 50 μl ml−1 when compared with Gassin.

Original languageEnglish
Pages (from-to)399-409
Number of pages11
JournalBiological Agriculture and Horticulture
Volume26
Issue number4
DOIs
StatePublished - 2009

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