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2010•Zhongguo shucaiRequires access

Antagonistic Effects of Endophytic Bacteria Strain Mg15 on Fusarium oxysporum f.sp.niveum in Watermelon

Luan Feishi

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Abstract

17 strains of Endophytic bacteria were isolated from roots of healthy melon(MR-1)and 4 strains(Mg2,Mg9,Mg15,Mg16)of bacteria demonstrated antagonistic to Fusarium wilt by confrontation culture.According to the test on hyphae growing speed,Mg15 was found to have better inhibitation(77.09%)to Fusarium wilt and even could cause deformation of Fusarium wilt.Besides, the bacteria fermentation broth with different concentration could also bring inhibition to germination of Fusarium wilt spores.There was only 7.86%spore germination using the original fermentation broth, with little effect on budding of watermelon seeds.

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What this paper is about

17 strains of Endophytic bacteria were isolated from roots of healthy melon(MR-1)and 4 strains(Mg2,Mg9,Mg15,Mg16)of bacteria demonstrated antagonistic to Fusarium wilt by confrontation culture.According to the test on hyphae growing speed,Mg15 was found to have better inhibitation(77.09%)to Fusarium wilt and even could cause deformation of Fusarium wilt.Besides, the bacteria fermentation broth with different concentration could also bring inhibition to germination of Fusarium wilt spores.There was only 7.86%spore germination using the original fermentation broth, with little effect on budding of watermelon seeds.

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Available abstract

17 strains of Endophytic bacteria were isolated from roots of healthy melon(MR-1)and 4 strains(Mg2,Mg9,Mg15,Mg16)of bacteria demonstrated antagonistic to Fusarium wilt by confrontation culture.According to the test on hyphae growing speed,Mg15 was found to have better inhibitation(77.09%)to Fusarium wilt and even could cause deformation of Fusarium wilt.Besides, the bacteria fermentation broth with different concentration could also bring inhibition to germination of Fusarium wilt spores.There was only 7.86%spore germination using the original fermentation broth, with little effect on budding of watermelon seeds.

Key concepts: Fusarium oxysporum, Fusarium wilt, Germination, Biology, Spore, Spore germination, Bacteria, Fusarium

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Antagonistic Effects of Endophytic Bacteria Strain Mg15 on Fusarium oxysporum f.sp.niveum in Watermelon — Research Paper | ScholarLens