Biological Control of Alternaria brassicicola Causing Cabbage Black Leaf Spot Disease | ||
| Egyptian Journal of Phytopathology | ||
| Article 17, Volume 44, Issue 1, June 2016, Pages 229-230 PDF (112.55 K) | ||
| Document Type: Original Article | ||
| DOI: 10.21608/ejp.2016.92384 | ||
| Authors | ||
| Soha Sabry* ; Ahmed Ali; Dawlat Abdel-Kader; Mohamed Abou-Zaid | ||
| Plant Pathol. Dept., Fac. Agric., Zagazig Univ., Egypt | ||
| Abstract | ||
| Alternaria black leaf spot disease appeared to be wide spread in cabbage fields of El-Sharkia governorate, Egypt during 2010- 2011 growing season. Alternaria brassicicola was the most frequently isolated fungus. Different bioagent microorganisms, isolated from the phyllosphere of the resistant cabbage cultivar (OS-Cross) were investigated microscopically for their antagonistic effect against the pathogen in vitro. Trichoderma spp., Bacillus subtilis and B1 bacterial isolates as well as their culture filtrates proved to be highly effective in inhibiting A. brassicicola spore germination as well as causing mycelium and spore malformation subsequently reducing the disease incidence and severity when applied in vivo. | ||
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