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Acibenzolar-S-methyl and b-amino butyric acidinduced upregulation of biochemical defense against Colletotrichum capsici infection in chilli (Capsicum annuum).

IR@CSIR-CFTRI

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Relation http://ir.cftri.com/14386/
https://doi.org/10.1080/03235408.2020.1735138
 
Title Acibenzolar-S-methyl and b-amino butyric acidinduced upregulation of biochemical defense against Colletotrichum capsici infection in chilli (Capsicum annuum).
 
Creator Naveen, J.
Mallikarjunaiah, H.
Hariprasad, P.
Hithamani, G.
Ramachandrappa, N. S.
 
Subject 03 Plant Pathology
30 Spices/Condiments
 
Description Abiotic inducers (AI) are synthetic/natural compound, induces systemic resistance in plants against pathogens. Present study aimed to evaluate the foliar application of AI [Acibenzolar-S-Methyl (ASM), and b-Amino Butyric Acid (BABA)] in managing chilli anthracnose under greenhouse conditions. Foliar applications of ASM-5lg/ml and BABA10mM significantly decreases disease incidence to 13.15% and 14.1% respectively, when compared to respective controls (65% and 65.34%). AI treated seedlings recorded maximum H2O2 accumulation at 9h (ASM) and 12h (BABA) after challenged with pathogen. In AI treated seedlings, activity of defense-related enzymes (Phenylalanine ammonia-lyase, Peroxidase, Polyphenol oxidase, Lipoxygenase, and chitinase) was upregulated after challenge inoculation. Similarly, maximum phenolic (lg gallic acid/g tissue) accumulation of 147 and 71.2 was recorded with ASM and BABA treatment, respectively. The AI induced changes in biochemical parameters are in correlation with reduced disease incidence. Hence, AI can use as alternative, safe and eco-friendly candidate to manage chilli anthracnose.
 
Date 2020
 
Type Article
PeerReviewed
 
Format pdf
 
Language en
 
Identifier http://ir.cftri.com/14386/1/ARCHIVES%20OF%20PHYTOPATHOLOGY%20AND%20PLANT%20PROTECTION%202020.pdf
Naveen, J. and Mallikarjunaiah, H. and Hariprasad, P. and Hithamani, G. and Ramachandrappa, N. S. (2020) Acibenzolar-S-methyl and b-amino butyric acidinduced upregulation of biochemical defense against Colletotrichum capsici infection in chilli (Capsicum annuum). Archives of Phytopathology And Plant Protection.