The lower leaves of the pepper are deformed and no pests are found, what should I do?

Pepper leaves do not need to be treated in this case, just let it grow normally. This misshapen leaf does not have any effect on the flowering and fruiting of the pepper. However, if there is white spot on the leaves of the pepper, the farmer must pay attention to it, which is most likely caused by the white spot disease, which will reduce the harvest of the pepper and affect the farmer's income.

The deformity of the lower leaves of the pepper is very likely to be caused by aphids, aphids are a very common insect in the pepper field, female aphids do not need males to reproduce, so its reproduction rate is particularly fast, they especially like to eat the leaves of plants, but this insect is particularly afraid of high temperatures, once the temperature is too high, they will choose other plants in the shade as food**. Therefore, if the pepper leaves are deformed and no pests are found, it is very likely that the aphids fly away due to the high temperature, and the pepper leaves that have been eaten by the aphids continue to grow and the leaf deformity occurs. <>

In addition to high temperatures, aphids also have many natural predators. Insects like the seven-star ladybug like to eat aphids, and if the aphids are in the pepper field at first, and then the seven-star ladybugs appear, these aphids will disappear, and the leaves that they have eaten will also be deformed. Although aphids are very common in crops, they can be eliminated very easily, even without the use of pesticides.

Therefore, if the pepper leaves are deformed because of aphids, farmers do not need to worry, they can manage the pepper fields as usual and do not need to take any measures. <>

If a large number of pepper leaves are deformed in the pepper field, pepper farmers should pay attention, this is very likely to be a pepper virus disease, which will seriously affect the growth, flowering and fruiting of peppers. In addition to the deformity of the leaves of the pepper virus, its leaves will also turn yellow, and the pepper flowers will die and fall. In this case, farmers can use morpholinoguanidine hydrochloride as a pesticide for dilution spraying.

When planting peppers, we must analyze specific problems and figure out the best of peppers in order to solve the problem from the root.

If the lower leaves of the pepper are deformed, and no pests are found, the pesticide morpholinoguanidine hydrochloride can be used for dilution and spraying.

Fertilize. If the leaves are not pests but are deformed, it means that they are lacking nutrients, and they can be fertilized.

If the lower leaves of the pepper are deformed and no pests are found, there is no need to worry about it, just let it grow normally.

It may be that the cucumber has leaf curl disease, and you can apply a little fertilizer to the cucumber, which may be a lack of nutrients.

Hello! The newly grown leaves of pepper seedlings have small holes and missing edges are soil to jump to eat, this animal grows in the soil, staple food seedlings, harm young leaves, you can go to the store to buy dichlorvos pesticide spraying.

Blight, anthracnose, tobacco worms.

1. The seedlings and adults of the blight pepper may be diseased, and oval brown patches will appear in the early stage of the disease, and the stems of the plants will gradually appear annular black brown spots, and then gradually shrink and die.

Prevention and control methods: Spraying and prevention with Ribery Yanwo powder potassium dihydrogen phosphate at the seedling stage, and spraying with 500 times of 36% thiophanate-methyl suspension agent at the early stage of the disease.

2. Cataplexy disease often occurs in the seedling stage of pepper, after the onset of pepper seedlings, yellow water stains will appear at the rhizome, and the later stage will turn brown, dry and wither, and a large number of seedlings will be lodging in severe cases.

Prevention and control methods: After the disease is found, it is necessary to spray copper ammonia mixture to inhibit the spread of the disease, and 75% chlorothalonil or Pulik water agent should be sprayed for prevention and control.

3. Anthrax is a high incidence in summer and autumn, if the planting environment is poorly ventilated, it will harm the fruit, which will lead to irregular oval brown-yellow spots on the fruit.

Prevention and control methods: After the occurrence of the disease, 80% of the anthrax Fumei wettable powder 800 times can be sprayed for prevention and control, sprayed every 7-10 days, and the control effect is very good.

4. Brevearum wilt is easy to occur in a humid environment, and the leaves will turn from green to brown and then dry up.

Prevention and control methods: before the onset of the disease, it can be prevented with 50% copper succinate wettable powder, and after the occurrence of disease, 77% can be used to kill 500 times the liquid and 4000 times of streptomycin sulfate can be sprayed for control.

5. Tobacco green worm and cotton bollworm tobacco green worm and cotton bollworm are very harmful to the flower buds, stems and fruits of peppers, and once damaged, there will be a large area of plant death or reduced yield.

Control method: It can be sprayed with a dilution of 20% pyrethrin killing.

6. Aphids and aphids generally suck the sap of plants, which will cause malnutrition of peppers. 、

Control methods: After the occurrence of insect pests, 50% anti-aphid wettable powder, dimethoate emulsifiable concentrate or dimethoate emulsifiable concentrate can be sprayed for control.

Summary. This question is up to me, it takes a little time to type, so please be patient.

What is the problem that the newly grown leaves of the pepper seedlings have small holes and missing edges, but there are no insects in sight? Do I need to take any medicine or do anything else?

This question is up to me, it takes a little time to type, so please be patient.

What kind of disease is this? What kind of medicine should be used?

What to do?

It's a lack of potassium. Use potassium fertilizer or compound fertilizer.

Is it OK to use dilight methyl phosphate? Spray.

Yes,

What is the reason why there are a large number of insects on the leaves of pepper leaves and how to prevent them?

Dear, hello: Pepper leaves have yellow spots, and there are a large number of insects on the surface of the leaves, which are likely to be infected with anthrax, which will harm the leaves and fruits after infection. Capsicum charcoal hail reflux is caused by a fungal infection.

In the early stage of the disease, difenoconazole, pyraclostrobin and other drugs can be used**. Thank you for your consultation, I hope this service can help you, you can click on my avatar to follow me, and if you have any questions in the future, you can consult me again, and finally wish you a happy life! <>

Summary. Hello dear, pepper leaves have yellow spots is pepper bacterial leaf spot disease, leaves, quilt with a large number of insects is pepper tobacco green worm, pepper leaves have yellow spots, leaf quilt has a large number of insects What is the reason, how to prevent and control.

Hello, pepper leaves with yellow spot is pepper bacterial leaf spot disease, leaves, quilt with a large number of insects is pepper tobacco green worm, pepper bacterial leaf spot control methods: 1. Rotation with cruciferous vegetables such as cabbage. 2. Seed disinfection.

Before sowing, use 50% of the seed weight of the copper succinate wettable powder to dress the seed section branches. 3. At the beginning of the disease, use 2000 times of 10% Saishi water dispersible granules, or 500 times of 78% wave manganese-zinc wettable powder, or 72% agricultural streptomycin sulfate soluble powder, or 47% Chun Wang Tongzhu Lu wettable powder 600 times, or 12% copper pine acid emulsifiable concentrate 500 times, or 2000 dry suspension 1000 times, or 3000 times of streptomycin sulfate, spray once every 7-10 days, 2-3 times in a row.

Control methods of pepper bacillus saxiomata: 1. Conditionally in the peak period of tabulation, the eggs of the artificially bred pine caterpillar red-eyed bee host silkworm socks are glued into egg cards, and each paper card is sticky with 15 grains, and 60 bees are produced per grain, and the parasitic rate reaches 65% after 3 days of bees. 2. Apply the pesticide before the larvae are bored into the fruit.

Choose 5000 times of methotavil chloride microemulsion, or 4000-5000 times of 15% amperon suspension, or 50% difluoronitrile emulsifiable concentrate 500 times, or 2000 times of high-efficiency cyanocyanide microemulsion, or 1500 times of 5% fipronide emulsifiable concentrate, and 2000 times of cyhalothrin emulsifiable concentrate, spray control.