Impact of microbial rivals and natural alterations on root decay and plant development in sesame

Genetic Structure of Macrophomina phaseolina Populations, the Causal Agent of Sesame Charcoal Rot Disease in Iran

“…In the present study, results have shown a high level of polymorphism among M. phaseolina populations of sesame with different geographical origins using neutral ISSR marker in southern Iran. These findings are consistent with previous studies (Aghakhani and Dubey, 2009;Khamari et al, 2023;Khamari et al, 2022;Linhai et al, 2011;Yousef, 2021) that have demonstrated high genetic diversity of M. phaseolina is reflected not only in isolates from different hosts but also within isolates collected from a special host or geographical origin. In general, high genetic diversity levels among a large collection of M. phaseolina populations could be attributed to parasexual recombination between nuclear genes or fusion of vegetative cells favoring heterokaryons, this is corroboration with earlier studies (Carlile, 1986).…”

“…To the best of our knowledge, the present work is a study of population structure of a large collection of M. phaseolina isolates collected from five different climatic regions in Iran; temperate with mild winters (Fars and Kogiluyeh & Boyer-Ahmad provinces), warm and dry winter (Khuzestan province), and warm, dry with cool winter (Bushehr and Hormozgan provinces). ISSR marker has been extensively used for assessing variation within and among M. phaseolina species (Khamari et al, 2023;Khamari et al, 2022;Mahdizadeh et al, 2012;Salahlou et al, 2016;Yousef, 2021). In the present study, results have shown a high level of polymorphism among M. phaseolina populations of sesame with different geographical origins using neutral ISSR marker in southern Iran.…”

“…In the last two decades, the genetic structure of M. phaseolina populations has been investigated with molecular markers e.g., amplified fragment length polymorphic DNA (AFLP) (Linhai et al, 2011;Mayék-Pérez et al, 2001;Saleh et al, 2010), restriction fragment length polymorphisms in the rDNA region (Purkayastha et al, 2006), random amplified polymorphic DNA (RAPD) (Mahdizadeh et al, 2012;Tančić Živanov et al, 2019;Yousef, 2021), and inter simple sequence repeats (ISSR) (Khamari et al, 2023;Khamari et al, 2022;Mahdizadeh et al, 2012;Yousef, 2021). Obtained results were inconsistent in these studies, while some studies disclosed a significant correlation between the geographical locations, genetic diversity and host plants of the isolates (Mahdizadeh et al, 2012;Reznikov et al, 2019); others were not capable to confirm these findings.…”

Evaluation of the Effect of Combining Fusarium oxysporum and Macrophomina phaseolina on the Incidence of Jute (Corchorus olitorius) Disease

“…Soil is a complex ecosystem that serves as a home for a diverse range of creatures that coexist with dozens of other species. Due to their diverse life histories, capacity for dispersion and tolerance to heat, microbiomes in natural settings react to changing climatic circumstances in distinct ways (Khamari et al, 2022). Soil microbial biomass is decreased by rising temperatures and cloud cover (Khamari et al, 2022;Rinnan, et al, 2006).…”

“…Due to their diverse life histories, capacity for dispersion and tolerance to heat, microbiomes in natural settings react to changing climatic circumstances in distinct ways (Khamari et al, 2022). Soil microbial biomass is decreased by rising temperatures and cloud cover (Khamari et al, 2022;Rinnan, et al, 2006). Precipitation variations influence the makeup of the microbial community (Castro et al, 2010).…”