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July 1, 2026BiologiaOpen Access

Genetic variability of Macrophomina phaseolina associated with charcoal rot of sesame in expanding agricultural areas of Central-West Brazil

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Authors

JGJúlia Moraes GomesEREmilly Ferreira Braga RiosMSMoisés Rodrigues Silva

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Overview

Randomized trial identifies genetic diversity and disease severity in sesame cultivars affected by charcoal rot.

Key Points

  • This research identifies the pathogen responsible for charcoal rot in sesame and characterizes its genetic variability.
  • Symptomatic sesame stems were collected from three municipalities in Goiás and Mato Grosso.
  • Sixty-one fungal isolates were identified through morphological traits, PCR, and partial ITS sequencing.
  • Genetic diversity was analyzed using seven ISSR markers.
  • High polymorphic loci (97.2%) observed among isolates indicating significant genetic diversity.
  • Cultivar BRS Anahí exhibited the lowest disease severity (51.16% disease index), while Trebol showed the highest (68.06% disease index).
  • Statistical analysis revealed significant differences in disease severity among the sesame cultivars (p=0.0363).

Cite This Study

Gomes et al. (2026) studied this question.

synapsesocial.com/papers/6a44ae605cd2549c8bc43929https://doi.org/10.1007/s11756-026-02254-w
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Assessment of biological control candidates against Macrophomina phaseolina causing charcoal rot of sesame in Brazil2026
  2. 2Detection and molecular characterization of Macrophomina phaseolina isolates in sesame using species-specific markers2025
  3. 3In vitro and in vivo characterization of charcoal rot disease (Macrophomina phaseolina) in sesame2024
  4. 4Characterization, Biocontrol, and Fungicide Sensitivity of Macrophomina phaseolina Isolates Associated with Charcoal Rot of Sesame in Northern Sinaloa, Mexico2026
  5. 5Synergistic Effect of Abiotic Environment on Growth of Macrophomina phaseolina Causing Charcoal Rot Disease of Sesame [(Sesamum indicum L.) cv. Prachi]2024