What fungicides work well to control garlic purple blotch?

At the early stage of disease, spray 3% polyoxin water agent at 800 times dilution, or 78% Kebo wettable powder at 500 times dilution, 41.5% prochloraz at 1500 times dilution, 75% chlorothalonil wettable powder at 500-600 times dilution, 50% iprodione wettable powder at 1500 times dilution, once every 7-10 days, for 3-4 consecutive applications. Stop applying the fungicide 7 days before harvest.

Pollution-free control of garlic purple blotch

1. Apply sufficient base fertilizer, and the use of Wende Gao 301 active ecological fertilizer is recommended. Strengthen management to enhance the disease resistance of the host.

2. Use disease-free seeds; if necessary, soak the seeds in a fungicide solution for 6 hours, and sow directly with the fungicide solution. Bulbs can be disinfected by soaking in warm water at 40-45°C for 1.5 hours.

3. At the early stage of disease, spray 3% polyoxin water agent at 800 times dilution, or 78% Kebo wettable powder at 500 times dilution, 41.5% prochloraz at 1500 times dilution, 75% chlorothalonil wettable powder at 500-600 times dilution, 50% iprodione wettable powder at 1500 times dilution, once every 7-10 days, for 3-4 consecutive applications. Stop applying the fungicide 7 days before harvest.

4. Harvest at the proper time and store at low temperature to prevent the disease from continuing to spread during storage. Keep the cellar temperature at 0°C and the relative humidity below 65%.