National Academy of Agricultural Sciences (NAAS)
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PRINT ISSN : 2319-7692
Online ISSN : 2319-7706 Issues : 12 per year Publisher : Excellent Publishers Email : editorijcmas@gmail.com / submit@ijcmas.com Editor-in-chief: Dr.M.Prakash Index Copernicus ICV 2018: 95.39 NAAS RATING 2020: 5.38 |
Tomato is one of important vegetable crop cultivated in worldwide. Among the diseases which causing tomato early blight caused by Alternaria solani is serious disease. The present investigation was undertaken to assess the bio-efficacy of mangroves at different concentrations against Alternaria solani causing tomato early blight disease under in vitro condition. Among the five mangrove species were tested, the higher antifungal activity was observed with 20% of Rhizophora apiculata recorded minimum mycelial growth, sporulation and germination of spore (4.82mm, 14.46mm, + and 5.86%) of Alternaria solani under poisoned food technique, agar well method and spore germination assay respectively, which was followed by Rhizophora annamalayana, Avecinia officinalis, Rhizophora mucronata and Avecinia marina. While the least antifungal activity was observed with the species of Avicenia marina recorded (18.23mm, 35.64mm, ++ and 16.23%) Significant inhibitory activity was also observed in 5, 10 and 15% concentration in all the three methods.
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