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This is the time of the year for citrus to control red spiders, the insect population of red spiders in each orchard is different, usually more points to observe in the orchard, especially in March to May, 9 to November are the peak period of red spider occurrence, when the number of each leaf reaches 4 to 5 heads, it is necessary to seize the time to spray pesticides to control. If we find a lot of small white spots on the leaves, and the leaves are withering, you can open the leaves to see if there are many tiny spider-like bugs on the back. At the same time, there are often a lot of silk webs like spider silk, so you can conclude that they are leaf mites.
Because in leaf mites are also known as red spiders, spider mites. Herbivorous mites belonging to the leaf mite family, it only takes about 3 weeks from the egg hatching to the adult, and the adult mites are red, green or brown in color, which is why people mistakenly call them red spiders. The most effective way to control leaf mites, I think it is necessary to divide leaf mites into different growth periods, sex, and at the same time have strong reproductive ability, fast development speed, short growth cycle, a variety of insect times superimposed, spread the characteristics of great harm, whether it is field crops or cash crops, whether it is an open field orchard or greenhouse vegetables, are deeply affected, so that farmers and friends are very headaches.
<> spider mites belong to a kind of leaf mites, which mainly harm citrus, pomelo, pear, mulberry, osmanthus, grapes and other plants. Adult mites, mites and young mites all damage leaves, fruits and green shoots, with leaves being the most severely affected. After the leaves are damaged, they lose their luster and show small gray-white spots, which must be treated as the root cause.
Rattle mites are born, and the larvae hatch generally take about 15 days to destroy the egg masses of the spider mite, and mix it with pesticides for adults, and spring control of the spider mites is the key.
Some pesticides, such as alkyne mites, cannot be used at high temperatures. Therefore, in early spring, strengthen the daily management of the insects to reduce the incidence of red spiders, clean up the orchard in time, remove weeds, diseased branches and leaves, prevent the parasitism of red spider larvae, and eliminate them in the larvae. Do not overuse nitrogen fertilizer, so that the fruit tree grows vigorously, will reduce the ability of new branches and leaves to resist pests and diseases, to the spider mites.
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Some pesticides, such as alkyne mites, cannot be used at high temperatures. Therefore, in early spring, the insects strengthen daily management to reduce the incidence of spider mites, clean the orchard in time, remove weeds, diseased branches and leaves, prevent the parasitism of spider mites larvae, and eliminate them in larvae.
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The reason for the cinnabar leaf mite pest of carob is actually very simple, mainly because there is no pesticide when the beans are planted, so what pesticides should be used to prevent and control this? You mainly fight some insecticides, especially miteicides.
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<> monitoring of insect conditions: once a small number of plants are found to have mites, they will be treated immediately, and all plants with mites will be moved to the same area, and all their flowers and fruits will be removed. Jujube Cong Guess Qing Garden:
Do a good job of removing the dead branches and leaves and weeds of beans in the vegetable garden, so as not to leave suitable conditions for the pest Zheng Xi to reproduce and grow. Local application: In the early stage of the occurrence of insect pests, avermectin, ethoxazole, pyridafen, alkyne mites and other drugs are applied, and attention should be paid to avoid killing the natural enemies of leaf mites when applying. Stool type.
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<> anti-mite 23 emulsifiable concentrate, killing and killing, kung fu emulsifiable concentrate, exterminating emulsifiable concentrate, and gite emulsifiable concentrate are carob mite control drugs. You can choose 500-600 times of anti-mite 23 emulsifiable concentrate, 2000-3000 times of killing liquid, 4000 times of kung fu emulsifiable concentrate, 2000 times of 20% emulsifiable concentrate, 1000-1500 times of 73% gram mite emulsifiable concentrate, 800-1000 times of super force and so on to control bean mites.
Frequently touch the face with our hands, our hands are full of dirt and bacteria, if we often do these casual small actions such as touching the face and holding the face, it is easy to cause the breeding of bacteria and the invasion of mites. If you don't replenish water in time, the problem of skin oil will be more serious, plus mites love oil, which also increases the breeding of mites. >>>More
Satisfaction is due to dander or some damp Chen man, so if you want to kill mites, first use the sun's ultraviolet rays, and then you should use some full drugs to kill mites.
Mites are one of the most common pests in our lives, and there are also a lot of mites, very tiny, almost invisible with our naked eyes. Mites especially like humid environments, and also like to be often in the fiber, such as not cleaning clothes or bedding in time will breed mites. Therefore, if you want to reduce mites, you can use some baking soda and water to stir it, and then wipe the furniture with a burlap cloth in the wardrobe where clothes and bedding are stored, which can effectively eliminate mites. >>>More
It mainly harms cruciferous vegetables such as cabbage and cabbage, cucumbers, beans, solanaceae vegetables, sugar beets, etc. Spodoptera exigua is swarming, wild, and gluttonous, and the super-hatched larvae are concentrated on the back of the leaf to eat, gnaw on the mesophyll, and the residual epidermis on the leaf is in the shape of a dense "small skylight". When the larvae are slightly larger, they will use the leaves as holes or lack of food, and then spread out.
Cinnabar, also known as cinnabar, is formed by volcanism and natural weathering. Exogenous cinnabar is produced in the lower part of the oxide zone and is formed by the decomposition of chalcopyrite. >>>More