What does celery leaf spot disease specific medicine have?

Celery is a common vegetable in daily life, which is planted in many areas, and during the planting of celery, there will be spots on the leaves. What are the specific drugs for celery leaf spot disease?

What are the specific drugs for celery leaf spot disease?

The specific drugs for celery leaf spot disease include methyl topiramate suspension, carbendazim wettable powder, Fangmaibao ultra-micro wettable powder, copper oxychloride suspension and Lvdebao suspension and so on. Generally, in the early stage of the disease, 30% copper oxychloride suspension 800 times solution, 36% methyl topiramate suspension 500 times solution, 50% carbendazim wettable powder 600 times solution, 60% Fangmaibao ultrafine wettable powder 800 times solution can be sprayed with water.

Second, how to prevent and cure celery leaf spot?

1. Select disease-free seeds and seed treatment before sowing. For seed treatment, soak the seeds in 55 ℃ of warm water for 15 minutes, cool and sow the seeds, or mix the seeds with 47% Chunlei Wang copper wettable powder with a seed weight of 3 ‰.

2. Strengthen the field management. The stagnant water in the field should be eliminated in time after rain, the greenhouse production should pay attention to ventilation and moisture drainage, reduce leaf and stem dew, pay attention to early pest control, and pull out the diseased plant in time when the disease occurs.

3. Rotation has been carried out for more than two years.

4. Reasonable close planting, time seedling and weeding, pay attention to ventilation and light, reduce field humidity, and strictly prohibit flood irrigation; apply more organic fertilizer, topdressing and watering in time to promote plant robust growth and enhance plant disease resistance.

5. Remove the sick and disabled body immediately after harvest, burn it centrally or bury it deeply.

6. Chemical control. Spraying agents at the initial stage of the disease, you can choose 50% carbendazim wettable powder 600 times, or 50% methyl topiramate wettable powder 600 times, or 70% mancozeb wettable powder 500 times, or 75% chlorothalonil wettable powder 600 times, or 12% green copper EC 400 times, spray once in 7 days-10 days, 2-3 times in a row.