The Biobrio 13(1 & 2), 2026

Isolation and identification of fungal pathogens causing fruit rot of Bottle gourd in some villages of Kosi division

Rajshree & Md. Abul Fazal

ABSTRACT:

In the present study, fungal pathogens were isolated from fruit rot of bottle gourd collected from seven different villages of Saharsa district. Disease incidence was calculated in each village which varied from 10% to 60%. Maximum disease incidence was observed in Jahmhra village. Altogether three isolates Fusarium oxysporum, Alternaria alternata and Colletotrichum lagenarium were isolated. Growth was observed in three different media. Maximum growth occurred in PDA medium. Effect of temperature on growth was observed. Maximum growth was observed at a temperature of 28oC. Pathogenicity of Fusarium oxysporum, Alternaria alternata and Colletotrichum lagenarium was observed as 80%, 100% and 60% respectively.

Keywords:    

Isolates, Disease incidence, Pathogenicity, Fruit rot, Bottle gourd

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