Abstract
Abstract Agaricus bisporus is the most widely cultivated mushroom. The mushroom crop is subjected to several fungal diseases. Dry bubble disease caused by Lecanicillium fungicola is among notorious diseases of A. bisporus. This study aimed to assess phenotypic resistance to dry bubble disease among A. bisporus wild strains, collected from Iran regions. The reliability of resistance evaluations regarding disease incidence and intensity was well documented. The extraordinary tolerance of some wild strains to even high degrees of inoculum concentrations (107 and 108 spore/m2 mushroom growth bed) of the pathogen in compare to commercial cultivars approved potentials of the wild germplasm in breeding programs for resistance. Also, the potential of some Microsatellite loci for the molecular-based rapid screening of tolerance was established by attributing SSR loci of phenotypically tolerant strains to QTLs for dry-bubble resistance-related traits.
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