Main points of winter melon cultivation in summer

Seedling treatment

Prepare seedling measures such as nutrient soil to cultivate healthy and disease-free melon seedlings. Seedling management: including seedbed temperature regulation and seedling tempering, humidity regulation, space regulation and seedling fertilization technology, etc.

Field management

Site preparation and site selection: ***Select the previous crop, which is not melon crops, to plant in loam with good drainage and rich in organic matter. Transplanting seedlings and planting: When the wax gourd grows to 2 to 3 true leaves, it can be transplanted. The planting specification is 0.7 to 0.9 meters, and it is planted in double rows.

Fertilizer and water management: Winter melon requires a large amount of fertilizer, and sufficient base fertilizer should be applied. When the weight after fruiting reaches 4 to 5 kg, topdressing should be reapplied; after the vines are put on the shelves, the water demand gradually increases. Pay attention to frequent watering to keep the soil moist. Pay attention to draining water during rain.

Trimming and pressing the vines: remove the side vines in time and remove all the side vines before setting the fruit; when the melon vine grows to 60 cm, press the vine with new soil on the 6 to 7 nodes, and press again every 4 nodes. Arrange the vines: use the scaffolding method or the skeleton dragon root method. Artificial pollination and retention of melons and hanging melons: use artificial pollination at 8-9 am, keep melons on the 18th to 30th node of the main vine, and lift the melons in time when they grow to 2 kg. Topping: Generally, the topping and side vines are removed at the 8th to 10th nodes after leaving the melon to promote fruit growth. Pay attention to the prevention and control of diseases and insect pests: mainly to prevent diseases, fusarium wilt and thrips.

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Insect Sex Pheromone

Insect sex Pheromone as a chemical communication tool during the reproductive stage between allogeneous insects. The high complexity and specificity of its chemical structure is an important guarantee for reproductive isolation between insect species. Therefore, sex pheromones between different insects cannot The replacement will not cause confusion, which has great practical value in the regional investigation of insects, plant quarantine, and trap control.

In nature, adult females will release a compound called sex pheromone after sexual maturity. It is released into the air and diffuses with the airflow. It stimulates the chemosensory organs in the male antennae, causing male sexual impulses and lures. The male flies to the release source and mate with the female adult to reproduce offspring. Therefore, insect sex pheromone products are bionic high-tech products, which release artificial sex pheromone through the core.

Insect sex pheromone is a compound that regulates the attraction of male and female insects. It is sensitive and specific. It has a long distance and strong temptation. The use of this product to attract and kill pests does not contact plants and agricultural products, and there is no concern about pesticide residues. It is one of the first methods for controlling pests in modern agricultural ecology.

Currently the most popular insect sex pheromone varieties are: weevil sex pheromone, Asian corn borer sex pheromone, cotton bollworm sex pheromone, diamondback moth sex pheromone, glutenous sex pheromone, pear horde worm sex pheromone , Codling moth sex pheromone, soybean heartworm sex pheromone, cowpea viburnum sex pheromone, horsetail pine caterpillar pheromone.

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