Abstract
Brassicaceae member i.e. Rhaphinus sativus L. and three species of
Trichoderma (T. harzianum, T. viride and T. hamatum) were evaluated for
their antifungal effect against Sclerotium rolfsii, the causal agent of collar
rot disease in chickpea. In vitro, methanolic leaves extract of R. sativus
significantly decreased pathogen biomass by 6-96% and three
Trichoderma species also caused significant inhibition in pathogen growth
variably between 30-100%. In potted soil, application of separate or
combined application of myco- and phyto-fungicides proved highly
efficient in managing collar rot disease. However, combined effect of T.
harzianum or T. viride + leaves biomass of R. sativus found more
promising in managing disease through significantly improving growth
attributes and activities of antioxidant enzymes. It was concluded that
disease suppression is directly linked with increase in activities of
antioxidant enzyme (peroxidase, catalase, polyphenol oxidase and
phenylalanine ammonia lyase) thus provides the basis for resistant in
chickpea.
AMNA SHOAIB, AROOJ SHEZAD, ARSHAD JAVAID, SUNDUS AKHTAR , ZOIA ARSHAD AWAN. (2019) Evaluation of biocontrol strategies and its synergistic interaction permitting the chickpea plant to trigger the appropriate defense responses against Sclerotium rolfsii, Biologia – Journal of Biological Society of Pakistan, Volume 65 (II), Issue 2.
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