MySheen

Pest control of Panax notoginseng

Published: 2024-11-22 Author: mysheen
Last Updated: 2024/11/22, 1. Both sides of yellow rust leaves are covered with rust powder, severely damaged, leaves falling off. Discovered diseased plants were immediately dug out; 0.2 Baume stone sulfur mixture was sprayed at the initial stage of disease, once every 7 days, for 2~3 consecutive times. 2. Anthrax occurs under conditions of excessive rain and humidity. After seedling or adult plant is infected, brown spots appear on stem and leaf, and then combine into large spots with yellow-green edges, and finally fester and die. Adjust the transparency of shade to make it uniform; spray 1∶1∶200 Bordeaux mixture or 65% Zineb 300 times solution at the beginning of disease. 3

1. The leaves of yellow rust are covered with powdery mildew on both sides, and the leaves fall off if they are seriously damaged. The diseased plants were dug up immediately and 0.2 Baumedu stone sulfur mixture was sprayed every 7 days for 2 or 3 times in the initial stage of the disease.

2. Anthrax occurs under rainy and wet conditions. After the seedlings or adult plants were infected with the disease, the stems and leaves showed brown spots, then combined into large spots, the edges were yellowish green, and finally festered and died. Adjust the transmittance of the shade shed to make the transmittance uniform; spray 1 ∶ 1 ∶ 200 Bordeaux solution or 65% Dyson zinc 300 times solution at the beginning of the disease.

3. The epidemic disease is also known as "rotten leaves". The stems and leaves are scalded in boiling water, translucent, drooping leaves and rotting roots. Spray 1 ∶ 1 ∶ 200 Bordeaux solution or 50% carbendazim 1000 times before onset.

4. Slug, also known as slug, is a kind of mollusk. Bite the seed buds, the stems and leaves are engraved. Eating at night and early in the morning. Prevention and control method: sprinkle lime around the fence, trap and kill with vegetable leaves, or spray with 3% lime water or 600 times more than 800 times methamphetamine.

 
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