The latest Hami melon common pest control methods
Cantaloupe is not only sweet in taste, but also rich in nutrition, and has extremely high medicinal value. It is an economic fruit integrating edible and medicinal uses. It has a high planting prospect and is deeply loved by consumers. It is planted all over the country. However, in the process of planting, it is often disturbed by diseases and insect pests, which affects the yield and quality. The following editor brings you the prevention and control methods of common diseases and insect pests of cantaloupe. Let's take a look.
1. Bacterial leaf spot
With the development of the disease, the disease spot expanded and fused into a block, and there was a yellow halo on the edge of the disease spot, which finally led to the withering and death of the leaves and affecting the growth of the plant.
Prevention and treatment methods: 77% of guest users are sprayed 500 times at the onset of the disease, 1-2 times a week, 3-4 times in a row, and can be cured.
2. Vine blight
Vine blight can be heard from the name, it mainly harms the melon vine of the plant, when the disease occurs, the location of the lesion is cracked, and small black spots grow on the surface. When the disease is serious, it will flow out of the gelatinous position, resulting in the melon vine can not normally transport nutrients, it is best to wither and die.
Prevention and control methods: control moisture, soil moisture should not be too much, try to avoid causing melon vine loss, reduce the possibility of bacteria invasion, the disease can be used 25% Kailun EC 1800 times spray to prevent, once every 3-4 days, 2-3 times in a row.
3. Powdery mildew
Powdery mildew mainly harmed leaves and vines. When the disease occurred, round disease spots appeared on the leaves, and the disease spots were enlarged and connected into lumps. In the later stage of the disease, white powder particles appeared, and the leaves became yellow, brittle and curled.
Control methods: strengthen field management, increase the application of organic fertilizer and phosphorus and potassium fertilizer, increase plant disease resistance, prevent premature senescence, reasonable pruning, and increase permeability. At the time of onset, 15% pink rust would rather be sprayed with wet powder, once every other week, 2-3 times continuously.
4. Root knot nematode disease
Root knot nematode disease is the most harmful disease of Hami melon, its distribution is very wide, it can occur everywhere, mainly harm the plant root system, the root system produced a large number of milky white root knot, to the late formation of huge root nodules. If you cut open these knots or root nodules, you will find that there are translucent nematodes inside. After the plant is infected, the absorption of the root system is weakened to stop, and the aboveground stems and leaves gradually die due to lack of nutrients and water.
Control methods: select insect-free soil or field soil to raise seedlings, treat the soil with chemicals before sowing or planting, eliminate nematodes in the soil, or apply plant ash into the soil to dig ditches and ridges or make beds. After filling with water, the soil can be compacted with plastic film to isolate oxygen, and all the bacteria and nematodes in the soil can be killed after half a month.
5. Insect pests
Insect pests are mainly mole cricket, ground tiger, aphids, thrips, red spiders, they will gather in the leaves or roots, constantly gnawing or sucking stems and leaves, in the outbreak period, eat all the leaves, resulting in weak plant growth, serious withering.
Control methods: pest control methods can be a combination of agricultural control and chemical control methods, agricultural control is mainly to destroy the living environment of pests, reduce insect sources, or trap and kill natural enemies, chemical control is mainly through spraying pesticides.
The above are the common diseases and insect pests control methods of cantaloupe, hope to help you, want to know more about cantaloupe planting knowledge, please follow us.
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