Autumn is the period of vigorous plant growth, lukewarm, but also prone to diseases and insect pests. The following small series will briefly introduce some common pest control measures for you.
1. Aphids
Aphids are one of the most destructive pests on Earth. About 250 of these are pests that are seriously harmful to agroforestry and horticulture. Aphids vary in size and range in length from one to ten millimeters.
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◆ Susceptible plants: begonias, ivy, white crane taro, ornamental coconut, fluke tree, etc
◆ When a large number of aphids are found, spray pesticides in time.
◆ Combined with pruning, cut off the damaged branches and residual flowers, concentrate on burning, reduce the mouth of overwintering insects; scrape or brush off the densely wintering eggs on the bark in autumn and winter, clean up the dead branches and leaves in time, reduce the eggs of overwintering insects; when a small number of aphids are found on spring flowers, you can use a brush dipped in water to clean, or tilt the potted flowers under tap water to rotate and rinse.
◆ Insects that attack aphids include ladybugs, aphid-eating flies, parasitic wasps, aphid-eating mosquitoes, aphid lions, crab spiders and grasshoppers.
2. Shell worms
Mesophyllum is an important pest on citrus and grapefruit, common ones are red roundworm, brown roundworm, Kang tablet bug, yagura tip bug and blowing sponge bug. Mesophora are infested to leaves, branches and fruits. Mesophyllum is often male winged, able to fly, female and larvae once feathered, lifelong hermitage on the leaves or fruits, resulting in yellowing of leaves, branches wilting, tree decline, and easy to induce soot disease.
◆ There are many types of natural enemies of mesozoans, which have a certain inhibitory effect on their populations. Predatory predators are important predators of mesenchymal insects, mainly belonging to Coleoptera, Veined Winged Order and Mites, as well as in the Order Drake, Diptera, and Taemona.
◆ Spray the nymphs during the peak of the nymphs according to the various occurrences of the mesozoans. During the incubation period of mesosome eggs, the drug spraying effect is the best, and it can be treated with 1:4000 worms. When you find a small amount of insects, you can take the method of pruning or rinsing.
3. Red spider
Red spider, also known as cotton red spider, commonly known as the great spider, the great dragon, sand dragon, etc., the scientific name of the leaf mite, the species in China to the cinnabar leaf mite mainly, belongs to the arachnids, tick mites, leaf mites. Widely distributed, it can harm more than 110 species of plants.
◆ The victims are moon season, Milan, jasmine, kumquat, begonia, osmanthus flower, bergamot and other flowers.
◆ When more leaves occur, spraying should be done as soon as possible. Family flowers can be prepared with flower sprayer, in 400 ml of water, gram mite or quick kill diced or flower worm net can be dripped into 4 drops (equivalent to 2000 times the liquid medicine), with trichlorocarbicol or Leguo can be dripped into 8 drops (equivalent to 1000 times the liquid), after adding the drug shake well, then spray, spraying requirements evenly, thoughtful, especially pay attention to spraying the back of the leaf.
◆ When spraying, it is best to move the potted flowers outdoors, if spraying indoors, do not approach food and utensils. After each use, pour out the excess liquid and wash the sprayer with water.
It is very necessary to do a good job of pests and diseases in autumn, and it is necessary to do a good job in autumn prevention and control in order to make plants safe and safe through autumn and winter.
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