Edible Mushroom Preservation Methods and Clivia Leaf Spot Disease Prevention and Control Techniques

① Cut off the diseased parts and collect the diseased debris to burn. ② Improve the ventilation of the garden and nursery, appropriately increase the application of potassium fertilizer, and avoid excessive watering. ③ Timely spray 30% copper oxychloride + 80% mancozeb wettable powder (1:1, mix and spray immediately) at 800 times dilution, or 75% chlorothalonil + 70% thiophanate-methyl wettable powder (1:1) at 800-1000 times dilution, or 40% carbendazim-bromothalonil wettable powder at 700 times dilution, alternating the sprays, taking care to spray evenly and thoroughly, once every 7-15 days, for 3-4 consecutive sprays, with shorter intervals first and longer intervals later.