EVALUATION OF FUNGAL BIOCONSORTIUM FOR THE MANAGEMENT OF BASAL ROT OF ONION (Allium cepa)
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Date
2024
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Publisher
MPKV, Rahuri
Abstract
Onion (Allium cepa L.) is one of the most commonly grown vegetable
crops in India. It is a significant agricultural commodity and widely cultivated in various
regions of the country. However, onion cultivation in India faces several challenges, with
fungal and bacterial diseases being major concern. Among fungal diseases, basal rot
caused by Fusarium oxysporum f.sp. cepae can cause significant losses and pose a
considerable threat to successful onion cultivation during recent years and hence An
investigation was carried out on various aspects such as isolation and identification,
symptomology and pathogenicity, cultural and morphological characteristics, and
evaluation of fungal bioconsortium under In vitro and In vivo (Pot culture) conditions.
The pathogen was isolated from diseased onion bulbs. The pathogenicity
of the onion basal bulb rot pathogen was demonstrated using soil inoculation approach.
Based on morphological characteristics of the pathogen, the fungus culture was identified
as F. oxysporum f.sp. cepae.