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What is the function of fungicides and what is their sterilization principle?
What are the functions of fungicides and how should they be used? Please give an introduction. There are two modes of action of fungicides: one is protective fungicides, and the other is systemic fungicides. Protective fungicides directly contact the pathogenic bacteria outside the plant body or on the body surface, killing or inhibiting the pathogenic bacteria, making it impossible for them to enter the plant, thereby protecting the plant...