Diseases and insect pests of Duzhanchun and their control methods

Diseases of Duzhanchun and their control

Sclerotium rolfsii

White rot often occurs in the rainy season. When the disease first occurs, the leaves will be covered with white hyphae, and then the roots and stems of the plants will slowly begin to rot. The prevention and control method is to replace the infected potting soil, sprinkle lime on it, and then pay attention to frequent ventilation and light transmission. The potting soil should maintain good drainage. In addition, if there are seriously infected plants, they should be burned to prevent infection of other healthy plants.

anthrax

Anthracnose occurs almost all year round, and is more frequent in hot and rainy seasons, so more plants are infected. If anthrax is severe, it may cause the death of the plant. The prevention and control method is: to improve the external environmental conditions, you can choose methyl thiophanate wettable powder for spraying during the disease period, spray once every 7-10 days. You can also use an equal amount of Bordeaux mixture, once every half a month, and spray 3-5 times for prevention and control.

Pests and their control in spring

Scale insects

Scale insects are also called "orchid lice" and they easily reproduce in high temperature, high humidity and poor air circulation conditions. In order to prevent the disease from getting worse, you can spray it with omethoate or malathion during the incubation period. If there are not many pots for breeding, you can manually brush it off.

The above is an introduction to the diseases and pests of Monopoly Spring and their treatment. Through the above methods, you can properly deal with the diseases and pests of your own Monopoly Spring to keep them healthy.