Latest control methods for common pests and diseases of Hami melon
Hami melon is not only sweet in taste, but also rich in nutrients and has extremely high medicinal value. It is an economic fruit that combines both food and medicinal uses, with excellent planting prospects, and is deeply loved by consumers. It is grown all over the country. However, during the planting process, it often suffers from the invasion of pests and diseases, which affects yield and quality. Below, the editor brings you the control methods for common pests and diseases of Hami melon. Let's take a look.
1. Bacterial leaf spot
When the disease occurs, water-soaked lesions appear on the back of the leaves. As the disease develops, the lesions expand and merge into patches, and the edges of the lesions have yellow halos, finally causing the leaves to wilt and die, affecting plant growth.
Control method: When the disease occurs, spray 77% Duoning at 500 times dilution for control, 1-2 times per week, for 3-4 consecutive times, and it can be cured.
2. Gummy stem blight
As can be told from the name, gummy stem blight mainly damages the vines of the plant. When the disease occurs, the affected area cracks open, and small black spots grow on the surface. In severe cases, a gummy substance flows out, causing the vines to be unable to transport nutrients normally, and finally they wither and die.
Control method: Control moisture. The soil moisture should not be too much. Try to avoid causing vine damage and reduce the possibility of pathogen invasion. When the disease occurs, 25% Kairun emulsifiable concentrate at 1800 times dilution can be sprayed for prevention and control, once every 3-4 days, for 2-3 consecutive times.
⟦NL>3. Powdery mildew
Powdery mildew mainly damages leaves and vines. When the disease occurs, round lesions appear on the leaves, and the lesions expand and connect into patches. In the later stage of the disease, white powdery particles appear on the lesions, and the leaves become yellow, brittle, and curled.
Control method: Strengthen field management, apply more organic fertilizer and phosphorus and potassium fertilizer, increase the plant's disease resistance, prevent premature aging, prune reasonably, and increase air permeability. When the disease occurs, 15% Triadimefon wettable powder can be sprayed for control, once every week, for 2-3 consecutive times.
4. Root-knot nematode disease
Root-knot nematode disease is the most harmful disease to Hami melon. It has an extremely wide distribution range and can occur in all places. It mainly damages the plant root system. When the disease occurs, a large number of milky white root knots are produced on the root system, and in the later stage huge root galls are formed. If these root knots or root galls are cut open, semi-transparent nematodes will be found inside. After the plant is infected, the absorption of the root system weakens to stopping, and the aboveground stems and leaves gradually wither and die due to lack of nutrients and water.
Control method: Use insect-free soil or field soil for seedling raising. Before sowing or planting, treat the soil with chemicals to eliminate nematodes in the soil, or apply plant ash into the soil, deeply plow and mix evenly, then dig trenches and make ridges or beds, fill with water, cover tightly with plastic film, isolate oxygen, and after half a month all bacteria and nematodes in the soil can be killed.
5. Pests
The main pests include mole crickets, cutworms, aphids, thrips, and red spiders. They gather on leaves or roots and continuously chew or suck the stems and leaves. During outbreaks, they eat all the leaves, causing the plants to grow weakly and, in severe cases, to wither and die.
Control method: Pest control methods can combine agricultural control and chemical control. Agricultural control mainly destroys the living environment of pests, reduces pest sources, or uses trapping and killing and natural enemies. Chemical control mainly uses spraying insecticides for control.
The above are the control methods for common pests and diseases of Hami melon. We hope they can help you. If you want to learn more about Hami melon cultivation knowledge, please stay tuned to us.