PJB-2020-390
Evaluation of seed exudates of Lycopersicon esculentum Mill. on germination of endophytic and pathogenic Fungal strains
Muhammad Romman
Abstract
Root exudates have the potential to reshape microbial communities in the rhizosphere by differentially attracting or repelling microbes. This study aims to understand the potential of seed exudates to inhibit or promote fungal spore germination. Also, effect of fungal association on root exudation and ability to interact with fungi was evaluated. All isolated strains were subjected to root exudates induced by pathogen and endophytes for checking spores germination and hyphal growth of these strains. Spores of endophytic strains showed germination toward root exudates. But spores of pathogenic strains showed no germination toward root exudates. The effect of induced tomato seed exudates was very different promoting the germination of dormant spores of pathogens when induced by pathogen. Contrary to this, root exudates from endophytes induced seedlings enhanced spore germination in endophytic strains and inhibited in the pathogenic strains. So it may be concluded that endophytes are attracted and pathogen are inhibited by seed exudates of tomato plant. Keywords: Pathogenic, endophytic, spore, germination, tomato, conidia
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