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This research aimed to characterize Macrophomina phaseolina isolates from sesame in northern Sinaloa, focusing on pathogenicity and control methods.

June 27, 2026Journal of FungiOpen Access

Characterization, Biocontrol, and Fungicide Sensitivity of Macrophomina phaseolina Isolates Associated with Charcoal Rot of Sesame in Northern Sinaloa, Mexico

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This research aimed to characterize Macrophomina phaseolina isolates from sesame in northern Sinaloa, focusing on pathogenicity and control methods.
Characterized fungal isolates using morphological and molecular techniques including DNA sequencing and phylogenetic analysis.
Evaluated biocontrol effectiveness of Trichoderma spp. against Macrophomina phaseolina in antagonism assays.
Conducted fungicide sensitivity tests measuring EC50 values for thiophanate-methyl, tebuconazole, and pyraclostrobin.
Trichoderma spp. inhibited mycelial growth of Macrophomina phaseolina by up to 63%.
Isolates exhibited EC50 values of 0.002–0.123 mg L−1 for thiophanate-methyl, 0.049 to 1.397 mg L−1 for tebuconazole, and 0.029 to 0.539 mg L−1 for pyraclostrobin.

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Randomized trial assesses biocontrol and fungicide effectiveness on charcoal rot in sesame crops, indicating management strategies.

García‐León et al. (2026) studied this question.

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