Biological control of Fusarium wilt by Bacillus amyloliquefaciens IUMC7 isolated from mushroom compost |
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| Authors: | Kou Sotoyama Katsumi Akutsu Masami Nakajima |
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| Affiliation: | 1.Laboratory of Plant Pathology, College of Agriculture,Ibaraki University,Ami-machi,Japan;2.United Graduate School of Agricultural Science,Tokyo University of Agriculture and Technology,Fuchu-shi,Japan |
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| Abstract: | Bacillus amyloliquefaciens IUMC7 isolated from mushroom compost inhibited growth of Fusarium oxysporum f. sp. lycopersici (FOL) on culture plates, and a culture supernatant of IUMC7 inhibited in vitro germ tube elongation of FOL. When compared with control soils, mushroom compost inoculated with IUMC7 significantly reduced disease severity caused by FOL in tomato plants. PCR tests for expression of PR genes indicated that IUMC7 did not induce resistance in tomato plants. These results suggested that the suppression of disease was mainly caused by antimicrobial compounds produced by IUMC7. |
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