How to safely and effectively kill leaf mites?

Updated on healthy 2024-07-29
6 answers
  1. Anonymous users2024-02-13

    Recommended agent for two-spotted leaf mite: (5% emamectin benzoate + acetazolonitrile + bifenazide) (5% emamectin benzoate + acetazole nitrile + acetoxazole) (5% emamectin benzoate + bifenazine + diformamidine) (5% emamectin benzoate + acetazolonitrile + lice carica) These drugs are used in turn, if the thrips are serious, you can add (bromathfluphenylbiamide), the above is a personal opinion, don't spray if you don't like it, thank you! Hope it helps!

  2. Anonymous users2024-02-12

    The two-spotted leaf mite is commonly known as the white spider, and there are two distinct dark spots on both sides of the body, which is named the two-spotted leaf mite. It is a common crop parasite, and the main special drug for the prevention and control of two-spotted leaf mite is the bionic pesticide Nongke mite emulsifiable concentrate 2000 times, which has excellent efficacy, long duration, and no pesticide damage.

  3. Anonymous users2024-02-11

    Spray 50% sulfur suspension 200 times liquid or Baume 1 degree stone sulfur mixture on the tree, it is best to go to the local distributor to seek the ideal insecticide and better solution according to the condition.

  4. Anonymous users2024-02-10

    The main difficulties in the control of leaf mites are: 1It is difficult to observe, and most of the people who farm now are elderly, and their eyesight is not good, and they are often found to be very serious.

    2.It is difficult to use medicine, and the mite damage is mostly on the back of the leaf, and it is difficult to apply medicine, and it is even more difficult to fight after the net. 3.

    Because mite infestation is a regional hazard, if the nearby fields cannot be uniformly sprayed, it will affect the effective period of acaricides. In view of the above difficulties, the author suggests:1

    Choose an acaricide with special effect on leaf mite, such as 25% butyl ether urea 2000 times, in order to increase the duration of effect, you can choose to compound a 24% spirofen 2000 times. 2.Add silicone or imported synergist, and pay attention to the key spray on the back of the leaf when spraying.

    3.Cooperate with surrounding farmers to collectively spray pesticides. 4.

    As an agricultural material dealer, we should often go to the ground to help farmers diagnose and identify, and guide them in a timely manner.

  5. Anonymous users2024-02-09

    There are two main types of mites that harm eggplant: leaf mites and tea yellow mites. They are born by young mites, mites and adult mites attached to the dorsal veins of eggplant leaves and sucking the sap. The symptoms of the two types of eggplant mite pests are slightly different.

    Two-point leaf mites are harmful, first make many gray-white dots appear on the eggplant leaves, and gradually make the whole leaf surface turn gray-white and yellow, so that it withers and falls off, and in severe cases, the whole plant dies with a bare rod. Tea yellow mite is harmful, there is juice oozing on the back of the leaf, and it is oily brown after drying, shiny, and the leaf edge is recurled and wrinkled to deformity, and it will also cause a large number of fallen leaves in serious cases. Mites are pests of flowers, which can cause a large number of flowers and fruits.

    The young fruits infested by mites have stiff tissues and a tortoise-like epidermis, which causes fruit cracking in severe cases.

    Prevention and control measures:

    The reproduction rate of mites is extremely fast, and the key to prevention and control should start from cleaning the countryside and preventing the source of primary infection. At the same time, it is necessary to strengthen cultivation management, loosen the soil in time, reasonable irrigation and fertilization, promote the robustness of plants, and enhance the ability to resist insect pests.

    At the beginning of the mite infestation, use 1% pyrex 2500 3000 times, or 73% gram mite emulsifiable concentrate 2000 3000 times, or 5% Nisolan emulsifiable concentrate 1500 2500 times, or alkyne mite 2000 3000 times, or 20% mite emulsifiable concentrate 1000 2000 times, or 10% Liuyangmycin emulsifiable concentrate 2000 3000 times, respectively, mixed with 3000 6000 times silicone spray control, every 7 days or so, spray 2 times continuously.

  6. Anonymous users2024-02-08

    The sting temperature of the two-spotted leaf mite is 5 7, and its sting activity began to be found in late March, mainly on the green plants in early spring on the ground, and the hawthorn leaf mite stinged in early April, and the two-spotted leaf mite began to recede orange-red at this time, turning yellow-green, and the two horizontal mountain-shaped spots in the front area of the back after feeding were obvious, and laid eggs. In addition, because the body color of the two-spotted leaf mite and the body color of the young mites of the hawthorn leaf mite are similar, and both of them have the habit of spinning silk and forming nets, they are often mistaken for the late stage of the hawthorn leaf mite, so the hawthorn leaf mite control methods are used, so that the two-spotted leaf mite takes the opportunity to continue to go up the tree, and the number is an explosive increase, resulting in flooding.

    Two-spotted leaf mite mainly parasitizes on the back of the leaf to feed, pierce the cell, suck the juice, the damaged leaf first appears pale spots on both sides of the main vein near the petiole, with the aggravation of the damage, the leaf can become gray-white and dark brown, inhibit the normal progress of photosynthesis, and the leaf is scorched and falls off early. Every 30 minutes, 25% of the body's water is excreted in the form of urine through the hindgut. In addition, the mite also releases toxins or growth regulating substances, causing plant growth imbalance, so that some young leaves show uneven damage, and leaves, weeds, and crop leaves are scorched when it occurs.

    The two-spotted leaf mite has a strong silk-forming web collection habitat characteristics, sometimes the net can cover the whole leaf and weave to the petiole, and even the filaments can be overlapped between the trees, and the mite crawls and spreads along the silk.

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