Biocontrol of pepper wilt disease by antagonistic fungi and their modes of action for the biocontrol
Journal Title: Journal of Multidisciplinary Sciences - Year 2019, Vol 1, Issue 2
Thirty species of fungi related to 16 genera were isolated from the rhizosphere soils of healthy pepper plantations in different localities in Assiut (13 localities), Behera (2 localities) and Sohag Governorates (2 localities) in Egypt. Seventy–five native isolates related to 10 genera and 17 species were screened in vitro against the pathogenic Fusarium oxysporum, Fusarium solani and, Macrophomina phaseolina. In vitro, the highest activity was obtained with all isolates of Trichoderma harzianum followed by Penicillium oxalicum (AUMC 11419, AUMC 11420) and Clonostachys rosea (AUMC 11417, AUMC 11442) on the three pathogenic fungal species tested. In vivo Botryotrichum atrogriseum AUMC 11415, Aspergillus nidulans AUMC 11418, Albifimbria verrucaria AUMC 11414, C. rosea AUMC 11442 and T. harzianum AUMC 11422 were reduced disease severity up to 90% over the control. The results revealed that Trichoderma harzianum (3 isolates) showed the highest chitinase activity in a range of 2.5-3.3 IU/ml and Penicillium oxalicum AUMC 11419 presented a maximum lipase activity of 1.01 IU/ml. Also, the volatile metabolites assay revealed that Trichoderma strains produced the highest inhibitory effect against the highly pathogenic strain of Fusarium oxysporum f. sp. capsici AUMC11424 in the range of 31.1-34.4% of the untreated control.
Authors and Affiliations
Amal Mohammed Ibrahim Eraky, Hassan Abdel Motagly Abdel Mougod Gouda, Abdel-Aal Hassan Moubasher, Mady Ahmed Ismail, Ali Hussein El-Shaer
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How To Cite
Amal Mohammed Ibrahim Eraky, Hassan Abdel Motagly Abdel Mougod Gouda, Abdel-Aal Hassan Moubasher, Mady Ahmed Ismail, Ali Hussein El-Shaer (2019). Biocontrol of pepper wilt disease by antagonistic fungi and their modes of action for the biocontrol. Journal of Multidisciplinary Sciences, 1(2), -. https://europub.co.uk/articles/-A-683696