一天接了40个客人
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    The little whitefly is really hard to control! use this method

    Hello, come to consult our products !

    1. What is whitefly?

    Whitefly, also known as small white moth, is a piercing and sucking pest, Homoptera, whitefly family, is a worldwide pest.

    2. When will whitefly break out in the shed?

    Spring occurs in the greenhouse stubble, from mid-April to late May; autumn occurs in all facilities such as greenhouses, cold sheds, and open fields, from July to late September, and the greenhouse will occur until the end of November.

    3. What happens when whitefly damages vegetables?

    Generally, adults and nymphs like to gather on the back of plant leaves, sucking plant juice with piercing mouthparts, causing the leaves to turn chlorosis, yellowing, wilting, or even wither the whole plant. The excrement of the adult insects will seriously affect the fruit surface of the fruit. Or leaf surface, etc., causing the occurrence of diseases such as sooty disease.

    4. Why is whitefly difficult to control?

    a. A wide range of hosts, many ingredients, and living places and breeding places all year round: cucumbers, watermelons, eggplants, tomatoes, peppers, wax gourds, beans, lettuce and cabbage in vegetables can all be harmed by them, and can also Harmful to flowers, fruit trees, medicinal materials, grass, tobacco and other 112 families and 653 species of plants.

    b. Strong reproductive ability: when the environment is suitable, one generation is completed in about one month, more than 10 generations can occur in one year, and one female can produce 50-100 eggs, which is a geometric exponential growth.

    c. The insect state is complex: the eggs, nymphs, and adults on the plant are in different states. Most nicotine and other drugs can kill the adults, but are almost ineffective for the nymphs and eggs, resulting in the number of sprays not keeping up with the reproduction speed. .

    ?d. Good at leaping: fly away as soon as spraying, and fly back after spraying. The flight ability is weak when the temperature is low in the morning, and the flying ability is strong when the temperature is high in the sun. In addition, the whitefly’s wings have white wax powder, which is not easy to stick to the liquid.

    e. Good concealment: The newly laid eggs are green and are mostly concentrated on the upper leaves, while the mature eggs are located on some lower leaves, and further down are the primary larvae and the old larvae, and the lowermost leaves are mainly larvae. Pseudopupa and newly emerged adults.

    ?f. Increase of drug resistance: With long-term, large-scale and single application, its resistance is gradually increasing, becoming more stubborn and refractory.

    5. How to prevent it?

    A. Strongly recommended drugs: 15% avispirate + 70% dinotefuran and pymetrozine mixed with water spray, which kills insects (nymphs, adults) and eggs, and has a quick-acting blessing effect.

    B. Crop rotation and stubble to eradicate the source of insects.

    C. Physical control, hanging yellow sticky insect boards 15cm above the crops in the greenhouse to trap and kill adults.


    Post time: Aug-01-2022
    一天接了40个客人