Abstract
The present work was done to identify Fusarium species that cause Fusarium rot in greenhouse cucumber crop in Jiroft region (Kerman, Iran), in 2006–2007. During these years, a vast sampling was done from several greenhouses of Jiroft. The plants with rot symptoms as well as the soil samples of greenhouse were transferred to lab. The isolates of plants and soil samples were detached by direct isolation of the infected tissue and soil suspension methods, respectively. Totally 120 isolates were obtained, which were classified into the following six species according to their morphological and physiological characteristics: Fusarium oxysporum, Fusarium solani, Fusarium culmorum, Fusarium monoliforme, Fusarium sambucinum, Fusarium subglutinans. It is the first time that three of these taxons, i.e. F. culmorum, F. monoliforme and F. subglutinan are reported in cucumber of Iran. Pathogenesis studies of the isolates were done by mycelium placement and spore suspension injection methods in sterile soil under greenhouse conditions. Then the disease symptoms were investigated.
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