Induction of Systemic Resistance in Plant Using Non-Conventional Chemicals

Abstract:

Non-conventional chemical acts as elicitor, and disease control agent and reduce the negative effect of chemical pesticide. It reduces environmental pollution, and the economics of farmers and having long-lasting effects. The result of plant and pathogen interactions is significantly influenced by endogenous small molecules that coordinate plant defence responses. Exogenous application of non-conventional chemicals activates plant defences and helps in protection from pathogen infection. It induces resistance in plant and is aptly known as plant defence activators or plant activators. Non-conventional chemicals like salicylic acid, acetyl salicylic acid, indole acetic acid, indole butyric acid, riboflavin, thiamine, ascorbic acid, benzothiadiazole and bion are more common. These are alternative and safe methods for developing systemic resistance against various pathogens. Seed treatment is the most convenient and effective way of these elicitor’s application than soil drenching and foliar sprays because it protects the plants during their susceptible stage of growth. Treatment with these compounds increases the quantities of defence-related biochemical activities like total phenolics and enzymes including peroxidase, polyphenol oxidase and phenylalanine ammonia-lyase and confirmed induced systemic resistance.