Antifungal activity of bacteria against the phytopathogens of papaya (Carica papaya L.)

The present study was undertaken to evaluate in vitro antifungal activity of six bacterial strains procured from MTCC, India against two of the plant pathogenic fungi, Colletotrichum gloeosporioides and Curvularia carica papayae, affecting papaya. Initial screening was done by dual culture assay and...

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Published inEurasian journal of biosciences Vol. 13; no. 1; pp. 83 - 91
Main Authors Girish, K, Prabhavathi, H R
Format Journal Article
LanguageEnglish
Published Izmir Foundation for Environmental Protection and Research, Çevre Koruma ve Araştırma Vakfı (ÇEVKOR) 01.01.2019
Subjects
Antifungal activity
Bacteria
Colletotrichum gloeosporioides
Food poisoning
Fruits
Fungi
Fungicides
Leaves
Mycelia
Pathogens
Pesticides
Plant diseases
United States > US
India
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Summary:The present study was undertaken to evaluate in vitro antifungal activity of six bacterial strains procured from MTCC, India against two of the plant pathogenic fungi, Colletotrichum gloeosporioides and Curvularia carica papayae, affecting papaya. Initial screening was done by dual culture assay and two relatively potent bacteria viz., Pseudomonas aeruginosa MTCC 7904 and Pseudomonas monteilii MTCC 9796 were selected and further assayed against the pathogens using crude extract of their culture filtrates by poisoned food technique. Both the bacteria exhibited significant antifungal activity against the phytopathogens (Colletotrichum gloeosporioides and Curvularia carica papayae) screened by complete inhibition of mycelial growth. The results suggest the possible applicability of these two bacteria for the eco-friendly management of papaya phytopathogens after further studies.
ISSN:1307-9867