There are a lot of white insects on the aloe vera, what should I do?

During the growth period of aloe vera, there are few diseases and insects, but there are the following common pests and diseases that need attention: 1. Scale insects.

It usually occurs in saponinous aloe vera, and less often in other aloe varieties. Prevention and treatment: In severe cases, drugs can be used for prevention and treatment.

50% 1605 emulsifiable concentrate, diluted 1000 times liquid spray. At the seedling stage, 50% phosphorus trithion, diluted 3000 times of liquid spray. 2. Red spider.

It is easy to occur during drought, and it is also harmful in May-July and August-September during severe periods. Control: In winter, eliminate weeds in the field.

When a large number of red spider outbreaks, you can spray with 40% dimethoate 2000-2500 times, spray once every 3-4 days, and spray several times in a row. 3. Cotton bollworm.

In the larval stage of cotton bollworm, 40% dimethoate can be used.

600 times of emulsifiable concentrate or spray with 1000 times of 50% pine moth emulsifiable concentrate. 4. White root disease: that is, there is a white powder on the roots of aloe vera, and the prevention and control methods are the same as those of red spiders.

5. Root rot: Root rot is generally caused by aloe root rot caused by too wet soil, and the healthy unrotten stems should be cut off in time, and then replanted after the incision is dry.

It seems that there is no problem, aloe vera likes light and drought tolerant plants, it is better to put it on the balcony in a bright and ventilated place, it is better to dry the soil a little, especially drought tolerant, it is better to be dry than wet.

The question you asked, judging from the ** you posted, should be normal, and some aloe vera has this point.

This one should be aloe vera. It has medicinal properties. White spots on the leaves are normal and not considered a problem.

Aloe Vera (scientific name: aloe vera L.).) is a perennial evergreen succulent plant of the genus Aloe Vera in the family Afuaceae, native to Africa.

This species loves light and prefers warm, dry and sunny environments. Aloe vera can be used as a potted variety in the home. Later, due to the results of artificial selection, many varieties were selected in Curacao aloe vera, such as Chinese aloe vera, Shangnong large-leaf aloe vera, etc.

You're talking about scale insects.

Depending on the occurrence of scale insects, spray at the peak of nymphs. Therefore, most nymphs hatch for a short time, the body surface has not yet secreted wax, and the shell has not yet formed, and it is still easy to kill with medication. Spray once every 7-10 days, 2-3 times in a row.

It can be sprayed with 40% dimethoate 1000 times, or 50% malathion 1500 times, or 255 imithion 1000 times, or 50% dichlorvos 1000 times, or deltamethrin 3000 times. Protection and utilization of natural enemies: such as the Australian ladybug, the big red ladybug, the parasitic shield scale, the golden aphid wasp, the soft scale aphid wasp, the red-spotted ladybird, etc., are all effective natural enemies, which can be used to control the harm of scale insects, and should be reasonably protected and utilized.

You're talking about scale insects.

When the occurrence of scale insects is large and the damage is serious, pesticide control is still a necessary means. In winter, you can spray 1 time 10 times of pine resin mixture or 40 50 times of engine oil emulsion to eliminate overwintering females, or before germination in winter and spring, spray Baumé 3 "- 5o stone sulfur mixture or 3% - 5% diesel emulsion to eliminate overwintering nymphs; In the peak stage of nymph hatching, 1000-1500 times of insecticide mixed with 40% oxidized dimethoate EC, 40% quick-culling EC or Lesben EC and 80% dichlorvos EC in a ratio of 1:l, sprayed 3 times in a row, alternately, all have good effects.

Or mix liquor with water in a ratio of 1:2. When treating insects, water the surface layer of the potting soil thoroughly. Scale insects begin to move at room temperature 7 in spring. It can be poured once in April, and then every half a month or so, and it is effective for 4 consecutive times.

Use 50 ml of vinegar (rice vinegar), soak a small cotton ball in vinegar, and gently rub it on the stems and leaves of the affected flowers and trees with a wet cotton ball to wipe off and kill the scale insects. This method is convenient and safe, which can not only achieve the purpose of insect control, but also make the damaged leaves green and shiny again.

Gently and repeatedly rubbing the diseased plant with alcohol can remove the scale insects, and it can be removed very cleanly and thoroughly. If you wipe the orchid leaves with alcohol, not only can you get rid of the scale insects, but also the larvae that are not clear to the naked eye, and they are completely killed.

Mix the mother liquor with diesel, washing powder and water in the ratio of :6, at this time the mother liquor contains 60% oil, which is milk-like, dilute the 30% oil content with water, and carefully spray the scale insects on Milan, kumquat and cycads. After one week, most of the scale insects changed from fresh orange to shriveled state, indicating that this method has a good control effect on scale insects.