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A recent Technical Bulletin written by RLF’s Head of Technical Dr Hooshang Nassery outlined the current knowledge and thinking around the issue of reducing the pressure of fungal disease with the use of a foliar spray.
Non-virulent pathogens and foliar sprays are known to induce disease resistance in plants.
Dr Nassery stated, “I have used the term Nutrition Therapy to illustrate the dual role of nutrients in disease prevention. In Nutrition Therapy we aim at optimum, or above optimum levels of some nutrients, to firstly increase plant resistance to disease, and secondly suppress pathogen activity”.
He went on to say, “that the well known effect of elements such as phosphorus, potassium, calcium, zinc, manganese, copper, boron and silicon in increasing disease resistance of plants are due to the different effects of these nutrients and their interactions on the structure and physiology of plants.