International Journal of Plant Protection

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Antifungal Metabolites Produced by Pseudomonas fluorescens against Fusarium oxysporum F.sp. Cepae


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1 Horticultural Research Station (T.N.A.U.), Ooty (T.N.), India
     

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Antifungal metabolites were isolated from Pseudomonas fluorescens and tested against Fusarium oxysporum f.sp. cepae causing basal rot of onion. Phenazine and 2,4 DAPG produced by the Pseudomonas isolate (Pf 12) were recorded 67.03 and 77.34 per cent inhibition of mycelial growth over control respectively. P. fluorescens isolates were strongly produced hydroxymate and Carboxymate type of siderophore at various level. Antifungal metabolites produced by Pseudomonas isolate (Pf 12) was recorded maximum inhibition of basal rot pathogen in in vitro condition.

Keywords

Antifungal Metabolites, Pseudomonas fluorescens, Fusarium oxysporum F.sp.cepae.
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  • Antifungal Metabolites Produced by Pseudomonas fluorescens against Fusarium oxysporum F.sp. Cepae

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Authors

S. Malathi
Horticultural Research Station (T.N.A.U.), Ooty (T.N.), India

Abstract


Antifungal metabolites were isolated from Pseudomonas fluorescens and tested against Fusarium oxysporum f.sp. cepae causing basal rot of onion. Phenazine and 2,4 DAPG produced by the Pseudomonas isolate (Pf 12) were recorded 67.03 and 77.34 per cent inhibition of mycelial growth over control respectively. P. fluorescens isolates were strongly produced hydroxymate and Carboxymate type of siderophore at various level. Antifungal metabolites produced by Pseudomonas isolate (Pf 12) was recorded maximum inhibition of basal rot pathogen in in vitro condition.

Keywords


Antifungal Metabolites, Pseudomonas fluorescens, Fusarium oxysporum F.sp.cepae.

References