Common diseases of trumpet creeper and their prevention and control methods

Botrytis cinerea

Symptoms

Gray mold often occurs in rainy weather, or when too much nitrogen fertilizer is applied and there is insufficient light. When the disease occurs, water-like spots will appear on the affected parts. If not promptly controlled, they will gradually expand, become rotten, and gray mycelium will appear. In severe cases, the plant will die.

Prevention and treatment methods

Once discovered, spray 65% ​​Zineb or Carbendazim in time, once every 7 to 10 days, and spray 3 to 4 times continuously.

Pay attention to regular ventilation to ensure normal growth of the plants and improve their disease resistance. After the disease occurs, clean up the diseased leaves and plants in time to reduce the source of infection.

Powdery mildew of trumpet creeper

Symptoms

Powdery mildew mainly harms the stems, leaves and flower buds of plants. After becoming sick, a layer of white powder will appear on the surface. In severe cases, the leaves will gradually wilt, and the flowers will become less and smaller.

Prevention and treatment methods

Pay attention to ventilation and light transmission at ordinary times, do not place the plants in a stuffy environment, and apply more phosphorus and potassium fertilizers to improve the plant's disease resistance.

Spray the pesticide promptly after the disease occurs. Choose 2500 times diluted oxycarboxin or other suitable pesticides. Spray once every 10 days, and spray continuously 2 to 3 times.

Trumpet creeper root rot

Symptoms

The disease mainly occurs in the hot summer. Please note that it is caused by excessive watering, which leads to root rot, yellowing of branches and leaves, and in severe cases, death of the entire plant.

Prevention and treatment methods

After the disease occurs, promptly water the soil around the roots with 300 times thiram solution. At the same time, pay attention to timely ventilation, cooling, and appropriate watering to ensure that the potting soil is moist but not waterlogged.