How to prevent celery root knot nematode in solar greenhouse?

Answer: Root-knot nematode disease is a common devastating disease in the celery field in the solar greenhouse. Lighter people cut production by 20% to 60%, and those who suffer from severe diseases cannot receive it. Due to the limited conditions, it is difficult for the solar greenhouses to make round-trip dishes. It is a kind of solar greenhouse disease that farmers suffer most.

Prevention and control of celery root knot nematode disease should be based on prevention, first select oysters that do not grow vegetables for many years to establish a solar greenhouse; celery seedlings next to disease-free plots should be selected for pharmaceutical treatment to prevent celery seedlings sick; finally do a good job of chemical control The main drugs for prevention and treatment are avermectin and thiazophos. The dosage is 1200-3000 g per 10% thiazolyl. The seedlings are applied during transplanting. During the growth period, 1.8% amycin can also be used. 3000-4000 times of liquid, 500 per plant. Irrigation of roots can better control celery root knot nematode disease and ensure celery income.

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