Journal of Pharmacognosy and Phytochemistry
Vol. 9, Issue 4 (2020)
In vitro evaluation of bio control agents against Pyricularia grisea (Sacc.) causing rice Blast
Author(s):
CH Varaprasada Rao and P Anil Kumar
Abstract:
Five different biocontrol agents
viz.,
Trichoderma viride,
Trichoderma harzianum,
Trichoderma harzianum (TNAU),
Trichoderma koningii and
Pseudomonas fluorescens evaluated against
Pyricularia grisea in vitro. Among the five different biocontrol agents, maximum growth inhibition observed with
P. fluorescens (63.7%) followed by
Trichoderma koningii (52.2%),
Trichoderma viride (47.1%),
Trichoderma harzianum (TNAU) (42.4%). The lowest growth inhibition was observed with
Trichoderma harzianum (29.23%). Among the
Trichoderma isolates,
Trichoderma koningii (52.2%) and
Trichoderma viride (47.1%) were found better with significant difference in mycelial growth inhibition of
Pyricularia grisea.
Pages: 1519-1520 | 727 Views 287 Downloads
CH Varaprasada Rao and P Anil Kumar. In vitro evaluation of bio control agents against Pyricularia grisea (Sacc.) causing rice Blast. J Pharmacogn Phytochem 2020;9(4):1519-1520.