Open AccessAntagonistic potential of rhizosphere mycoflora against Fusarial wilt of brinjal
Author(s) -
Romana Akter,
Khondoker Mokaddem Hossain,
MA Bashar
Publication year - 2015
Publication title -
the dhaka university journal of biological sciences
Language(s) - English
Resource type - Journals
eISSN - 2408-8501
pISSN - 1021-2787
DOI - 10.3329/dujbs.v24i2.46323
Subject(s) - trichoderma viride , fusarium oxysporum , trichoderma harzianum , rhizosphere , biology , aspergillus fumigatus , horticulture , fusarium solani , fungus , biological pest control , aspergillus flavus , trichoderma , aspergillus niger , botany , microbiology and biotechnology , bacteria , genetics
Antagonistic potentials of seven rhizoshere soil fungi viz., Aspergillus flavus Link., A. fumigatus Fresen., A. niger Tiegh., A. terreus Thom., Penicillium sp., Trichoderma harzianum Refat. and T. viride Pers. were tested against the Fusarium oxysporum Schlecht. and F. solani (Mart.) Sacc. – the two pathogens, isolated from wilted roots of brinjal plants. Out of seven soil fungi Trichoderma harzianum was found most effective to control the growth of both the test pathogens. More than 50% inhibition of the test pathogens were observed with T. viride, Aspergillus niger and A. fumigatus in colony interaction. The maximum inhibition of radial growth of the test pathogens was observed with volatile metabolites and cell free culture filtrates of Trichoderma harzianum. This fungus may be exploited commercially to control the disease.
Dhaka Univ. J. Biol. Sci. 24(2): 137-145, 2015 (July)