Carmona MA1, E Simonetti2,3, ME Ravotti1, MM Sc,iani4, AG Luque4, NA Formento5, FJ Sautua1
Phyton-International Journal of Experimental Botany, Vol.86, pp. 265-269, 2017, DOI:10.32604/phyton.2017.86.265
Abstract Soybean root and stem rots caused by soil-borne pathogens are diseases commonly found in soybean fields, and one of the most important causes of crop losses. In the present study, the mycelial sensitivity of Fusarium virguliforme, F. tucumaniae, Sclerotinia sclerotiorum and Macrophomina phaseolina was evaluated on potato dextrose agar media (25 mL) supplemented with different concentrations of manganese phosphite (MnPhi) diluted in water (0, 25, 37.5, 50, 100, 200, 300, 400, 500, 800 and 1000 μg/mL). Mycelial growth sensitivity was analyzed using logarithmic linear regression analysis. The MnPhi concentration needed to inhibit 50% of the mycelial growth (IC50) ranged from… More >
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