COS-OGA, a new oligosaccharidic elicitor that induces protection against a wide range of plant pathogens

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Résumé

COS-OGA is a new elicitor that combines oligochitosan and oligopectates in presence of calcium ions. Elicitation of tomato plants with COS-OGA has been tested and resulted in leaf peroxidase activity increase, transcription of SA-associated defence genes and overexpression of PR,
heat-shock and DNA/RNA remodelling proteins. Greenhouse and field trials confirmed the efficacy of
the elicitor against powdery mildew on cucumber and grapevine.
langue originaleAnglais
Pages (de - à)403-407
journalIOBC-WPRS Bulletin
Volume89
Etat de la publicationPublié - 2013

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