What diseases and insects are Impatiens prone to?

1. What diseases are Impatiens prone to?

1. Powdery mildew: Impatiens is susceptible to powdery mildew, especially when the temperature is high, the humidity is high and the planting density is too high. When the disease occurs, it mainly harms the leaves and tender shoots, and the leaves will become withered and twisted. We must strengthen management, prune off diseased leaves in time, and spray oxycarboxin or carbendazim to eliminate the disease.

2. Brown spot disease: Brown spot disease is leaf spot disease, which mainly harms leaves. If the disease is serious, the leaves will turn yellow. After discovery, the diseased plants should be isolated and sprayed with carbendazim or thiophanate-methyl to prevent worsening.

3. Damping-off disease: This disease mainly harms the roots and stems of the plant. The infected parts will turn black. Once infected, the leaves will wither and dry up within a few days. When preventing and controlling the disease, the diseased plants should be pulled out directly and sprayed with chlorothalonil. In addition, pay attention to disinfect the seeds and soil before planting later to avoid carrying pathogens.

2. What kind of insects are easy to grow on Impatiens?

If the environment provided during the growth period of Impatiens is not suitable, it is easy for root knot insects, hawk moth pests, whiteflies, etc. Once infected with pests, it will seriously harm the growth of the plants. After discovery, you should spray pesticides as soon as possible and change the maintenance methods to avoid reinfection.