The study of environmentally friendly active principles against downy mildew represents one of the main challenges in viticulture. In this context. the aim of the present trial was to investigate the efficacy of chitosan as a resistance elicitor against downy mildew and to study the metabolites involved in the interaction plant-chitosan-pathogen by a metabolomics approach. The experim... https://parisnaturalfoodes.shop/product-category/vegan-protein-van/