To Help Identification of Trichoderma Fungus Species in Plants Rhizospher of Urban Greenspace in MarkaziProvince

Trichoderma species are useful, avirulent plant symbionts that act as bicontrol agents against phytopathogenic fungi through mechanisms of competition, rhizospher competenc, mycoparasitism, antibiotic and enzyme production, induced resistance and plant growth promoting. In this study, 25 samples of bulk soil and ornamental plants rhizospher were collected from greenspace in different area of Markazi province and were then cultured on semiselective media. 72 obtained Trichoderma isolates were purified using hyphal tip method and identified based on morphological and physiological characteristics. These isolates were plenty respectivly identified T. harzianum, T. virens, T. brevicompactum, T. koningii and one isolates of Longibrachiatum Section. In future, Trichoderma native isolates would be screened based on antagonistic activities in antifungal trials and it will be possible the selection of more effective isolates with high biocontrol capacity for supplying bioproducts to combat the phytopathogens.