Habiba U. Rehman, Muhammad U. Ghazanfar, Muhammad S. Goraya


To date, in Pakistan, no fungicide has been registered against Macrophomina phaseolina. This study was designed to check the efficacy of two fungicides and salicylic acid against M. phaseolina under laboratory conditions. Both fungicides and salicylic acid had given significant results inhibiting the mycelial growth compared to control. The application of Nativo @ 6 mM resulted maximum inhibition in mycelial growth at 3rd day (69.32%), at 5th day (70.84) and at 7th day (73.82%) than control. Fungal growth reduced with the increase in the concentration of fungicides and salicylic acid and decreased with decrease in concentration. The application of Success @ 6mM gave a good result but lower than the Nativo. Both the fungicides and Salicylic acid gave maximum inhibition of fungal growth at the concentration of 6mM. Mycelial growth recorded at 7th day with the treatment of salicylic acid @ 6mM was 55.04% as compared to the control followed by Success 70.23%. The results showed Nativo @ 6 mM may be the best for the control of charcoal rot under laboratory conditions.


Sunflower, Charcoal rot, Macrophomina phaseolina

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Pakistan Journal of Phytopathology
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