MySheen

Control of Asarum's Diseases and Pests

Published: 2024-11-06 Author: mysheen
Last Updated: 2024/11/06, Before emergence of seed in spring, spraying 500 times solution of 70% dixon on bed surface, and after emergence, spraying 500 times solution of 50% carbendazim to control seedling blight. Sclerotinia sclerotiorum mostly occurs in June and July. At the beginning of the disease, brown strip-shaped spots appear at the base of petioles, and after expansion, the aboveground parts lodge and die. in China now The germs spread to the roots. Cover the rhizome with black sclerotia. So that the roots rot and only the root bark remains. Its control method is: early spring in time to loosen the soil, improve the ground temperature, pay attention to drainage; found that the disease plant timely uprooted and destroyed

The blight was sprayed on the bed with 70% dimethazone 500 times before spring seed emergence; after emergence, 50% carbendazim 500 times solution was used to control the disease.

Sclerotinia sclerotiorum disease mostly occurs from June to July. At the beginning of the disease, there are brown striped spots at the base of the petiole, and after expansion, the aboveground parts fall and die. At the same time, the germs spread to the roots and covered the rhizomes with black sclerotiors. so that the whole root decayed and left only the root bark. The control methods are as follows: loosen the soil in time in early spring, raise the ground temperature, pay attention to drainage, remove and destroy the diseased plants in time, spray with 0.3 degree stone-sulfur mixture, 600-800 times of Dysen ammonium, 600-fold solution of Dysen zinc, harvest in time, and cultivate by changing land.

Rust should be watered in time when the rust is dry, and 50% carbendazim 300 times solution should be sprayed after leaf spreading, once in 7-10 days, 2-3 times.

The pests that harm Asarum include small ground tiger, larva of Asarum butterfly, black caterpillar, locust, ant and so on. They bite the buds and leaves of Asarum and can be controlled by dichlorvos, trichlorfon, dimethrin and other insecticides.

 
0