Abstract
In standard pathogenicity tests of Fusarium strains isolated from symptomless weeds of agricultural fields it was determined that several isolates have significant positive influence on growth and development of cultivated plants and act as beneficial endophytes. The aim of this research was to investigate the influence of these isolates on several parameters of cherry plants grown in tissue culture. For this purpose two treatments with fungal inocula were used. The first treatment involved the addition of fungal inoculum into the tissue culture growing media. Cherry shoots were placed on the media and multiplied by tissue culture methods. The second treatment included root dipping of cherry explants into the fungal media. Plants were grown in the greenhouse for two months and after that growth parameters were recorded. Our results showed significant positive influence of the isolates on leaf width and length, stem length and plant fresh weight of cherry. There was almost no influence on number of leaves and root length of inoculated plants was lower as compared to the control. Identification of fungal secondary metabolites produced revealed several major compounds: beauverin, cyclosporines, enniatins, equisetin, fusaric acid, integracide A and trichosetin. Our conclusion is that endophytic Fusarium sp. isolated from weeds have a positive influence on growth and development of axenic cherry plants.
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