Diseases and Pests of Corydalis and Their Control

Diseases of the hibiscus flower

Black spot of kudzu

If the flower of curled bend has black spot disease, black spots will appear on its leaves and petals, affecting the beauty of the flower and its healthy growth.

To prevent and control black spot disease, good maintenance and management are generally required. The genus Ipomoea is a relatively cold-resistant plant. It is afraid of heat and likes sunlight and loose soil. So pay attention to ventilation, maintain cool temperature and sufficient light.

Another way to prevent and control black spot disease is to spray medicine. Use 500 times diluted 25% carbendazim wettable powder for spraying for prevention and control.

Gray mold and rust damage to the hibiscus

When the photosynthesis of the flower is weakened due to poor ventilation or insufficient light, the nutrients needed for growth will be insufficient, causing the flower to develop gray mold and rust.

The most important method to prevent and control gray mold and rust is to use pesticide spraying: spray 500 times diluted 25% carbendazim wettable powder for prevention and control.

Pests of safflower

Grub pests of sedge flowers

When peanuts are infested with grubs, or larvae, the best way to treat them is to completely remove the larvae from the fertilizer and to catch the insects manually to eliminate the pests.

Aphids infestation on sedge flowers

The curled flower is also prone to aphids, which can harm the stems and leaves of the flowers, so we should also pay attention to the prevention and control of aphids, which should be done manually just like the prevention and control of white grub pests.

Okay, the editor has told you the method, so your hibiscus will not get sick, let’s take action!