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Journal of Pharmacognosy and Phytochemistry

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Journal of Pharmacognosy and Phytochemistry

Vol. 6, Issue 2 (2017)

Development of integrated disease management module for early blight of tomato in Jammu

Author(s): Sunita Rani, Ranbir Singh and Sachin Gupta
Abstract: Evaluation of chemical fungicides and plant extracts against Alternaria solani causing early blight of tomato revealed that Tebuconazole (25 EC) was the most effective fungicide followed by Difenconazole (25 EC). Amongst plant extracts, maximum mycelial inhibition was exhibited by Datura stramonium (20%) followed by Lantana camara (20%) and Azadirachta indica (20%). Amongst the bio agents tested using dual culture technique, Trichoderma harzianum showed maximum growth inhibition of the pathogen and appeared to be the most effective. To develop Integrated Disease Management module for early blight of tomato fungicides, plant extracts and bio agents were integrated in different treatments and applied in field with varying spray schedules consecutively for two seasons. It was observed that treatment comprising of Mancozeb (0.25%), Datura (50%) and T. harzianum s.t (1x107 spores/ml) reduced disease intensity up to 84.00% followed by treatment comprising of Mancozeb (0.25%) and T. harzianum s.t (1x107spores/ml) which reduced disease intensity to 82.33%.
Pages: 268-273  |  902 Views  25 Downloads
How to cite this article:
Sunita Rani, Ranbir Singh and Sachin Gupta. Development of integrated disease management module for early blight of tomato in Jammu. Journal of Pharmacognosy and Phytochemistry. 2017; 6(2): 268-273.
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