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Isolation and Morphological Characterization of Ttichoderma harzianum SJG-99721, a Powerful Biocontrol Agent  

이호용 (상지대학교 생명과학과)
민봉희 (대구대학교 생명과학부)
Publication Information
Korean Journal of Environmental Biology / v.20, no.2, 2002 , pp. 130-135 More about this Journal
Abstract
Species of Genus Trichoderma are commercially applied as biological control agents against fungal Pathogens. A powerful biocontrol agent, Trichoderma sp. SJG-99721 was isolated from 305 isolates by morphological characters, chitinase activities and antifungal activities against Phytophthora capsiei. The isolate was identified as Trichoderma harzianum from various features such as growth rate at $27^\circ{C}$, significant growth ratio of $27^\circ{C}$ to $17^\circ{C}$, amount of aerial mycelium, types of branching: system, and disposition patterns of phialide and phialospore. Trichoderma harzianum SJG-99721 have been shown to act as a powerful biological agent against fungal phytopathogens; Botrytis cinerea, Rhizoctonia solani, Phytophthora cryptogea, Phytophthora capsiei, Sclerotinia sclerotiorum, Mycoshaerella melonis, Alternaria sotani, Fusarium oxysporum, Collectotrichum gloesporioodes, Alternaria alternata, Phythium ultimum, Phytophthora drechsleri, Pyricularia grisea.
Keywords
Antifungal agent; Biocontrol agent; Chitinase activity; Phytophathogenic fungi; Trichoderma harzianum;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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