Daisies have aphids, how to treat them?

Homemade pesticides:

1.Soap liquid: take soap and hot boiled water and spray it after dissolving it at 1:50, because soap can block the respiratory organs of pests to their death, and is effective against aphids and scale insects.

2.Garlic liquid: for the treatment of powdery mildew and black spot in the moon season, take 30 grams of garlic, add 500 grams of water after mashing, stir and filter, take the filtrate and spray the foliage, 1 time a day, spray 3 or 4 times, you can also use a brush or toothbrush to apply the garlic liquid directly on it.

Mashing garlic and sprinkling it in potting soil can also kill earthworms, ants and nematodes.

3.Green onion liquid: take 50 grams of green onions and mash them into a puree, add 50 grams of water, soak them for 12 hours, spray them with filtrate after filtration, spray them many times a day, spray them for 3 or 4 days, and treat soft pests such as aphids and powdery mildew.

4.Ginger liquid: take ginger and mash it into a puree, add 20 times of water and soak it for 12 hours, and spray it with filtrate after filtration to prevent and control leaf spot, coal stain disease, rot disease, black spot disease, etc., and can also control aphids, red spiders and leaf miners.

5.Zanthoxylum pepper: 50 grams of pepper, add about 500 grams of water to heat and boil in the pot, boil into 250 grams of liquid medicine, add water 6 7 times to spray when using, and control whiteflies, aphids and scale insects.

6.Mosquito coils: Mosquito coils are lit and hung on the insect-containing plants, covered with plastic bags for the plants and flower pots, and the pests are eliminated after 1 hour.

Solution to chrysanthemum long aphids:

1. Spray drugs.

Once pests and diseases occur during the maintenance period, it will affect the growth and appearance, and the corresponding drugs should be sprayed in time to prevent and control. You can dilute dichlorvos or dimethoate, follow the instructions to dosage, spray two or three times to effectively control.

2. Other solutions.

1. Garlic water: In addition to using drugs to eliminate aphids, you can also use some small home remedies, which can also be effectively controlled. You can mash the garlic in a container, then soak it in an appropriate amount of water, dilute it with ten times more water after soaking, and then put it into a watering can to spray it, which can effectively prevent aphids, scale insects and red spiders.

2. Chili water: Use an appropriate amount of dried chili peppers, add water to boil, boil for about 15 minutes, and then filter out the chili water with a strainer and spray it in a watering can, which can also prevent and control aphids, white lice powder and other insect pests.

3. Zanthoxylum pepper water: use pepper or pepper, the method is the same as pepper water, add water to boil, boil for about half an hour, and spray the filtered water on the plant, which can also effectively kill insect pests.

4. Tobacco water: Use tobacco leaves and smoked cigarette butts, add water to boil or soak in water overnight, and then rub with your hands, and the filtered water can also control aphids, leaf rollers and red spiders and other insect pests.

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If there is aphid damage during the maintenance period, it will affect the growth and aesthetics, and should be controlledDiluted dichlorvos or dimethoate can be sprayed. In addition, it can also be controlled with some small home remedies. For example, mash garlic, soak it in water, and dilute it with garlic water.

Or boil dried peppers, peppercorns or tobacco leaves with water, and spray the filtered water on the plants, which can effectively prevent all kinds of insect pests.

In the process of chrysanthemum cultivation, aphids are always accompanied by pests, if not prevented in time, aphids will not only suck chrysanthemum juice, but also defecate and pollute petals and leaves and stems, in serious cases, chrysanthemums can not form flower buds, or with flower buds can not open, even if they are open, they will seriously affect the exhibition, therefore, when you plant chrysanthemum seedlings, you should pay attention to observation, do early detection, early prevention. Prevention and control of chrysanthemum aphids, generally choose pesticides for prevention and control, convenient and fast control effect for a long time, optional agents are imidacloprid, thiamethoxam, these two drugs are high-efficiency and low-toxicity pesticides, low taste, good control effect, not easy to produce resistance, if chrysanthemum aphids are found, to timely spray control, two pesticides alternately, to prevent the long-term use of a pesticide to make aphids resistant.

1. Brush cleaning:

Chrysanthemum aphids to remove which weeds, in time to eliminate the aphids on other plants nearby to avoid infection, when the number of aphids is not much, you can use a brush dipped in water to scrub, pay attention to the action to be light, so as not to damage the young shoots and leaves.

2. Spraying drugs:

During the maintenance period, once pests and diseases occur, it will affect the growth and appearance, and the corresponding drugs should be sprayed in time to prevent and control them. When the quantity is large, you can use a special insecticide, follow the instructions to dosage, spray two or three times can be effectively controlled.

3. Protection from natural enemies:

There are many natural enemies of aphids, including ladybugs, lacewings, aphid flies and parasitic wasps, etc., which have a strong inhibitory effect on aphids. Try to apply as little broad-spectrum pesticides as possible, avoid applying pesticides during the peak period of natural enemy activities, and artificially raise and release aphid natural enemies if conditions permit.

If there are aphids in chrysanthemums, you need to remove them in time, and if the situation is serious, you need to spray them with special drugs**. If you want to avoid it from breeding aphids and other pests and diseases, you need to water it reasonably during daily maintenance, and you also need to avoid it from being in a hot and humid environment for a long time.

1. Handling method

Chrysanthemums have aphids, if the situation is not serious, we can use a moist paper towel to wipe off the aphids on the chrysanthemum leaves, if the situation is more serious, we need to cut off the affected leaves first, and then use special insecticides to spray the chrysanthemums**.

2. Reasonable watering

If you want to avoid the phenomenon of chrysanthemum breeding diseases and insect pests, then the daily maintenance, you need to water it reasonably, it likes to grow in a humid environment, but it is not resistant to waterlogging, so when watering it, it should be carried out according to the dryness and humidity of the soil, and it is best to master the principle of "not dry and not watering, watering is watered thoroughly".

3. Suitable temperature

Daily maintenance of chrysanthemums, but also need to let it have a suitable temperature, it likes to grow in a warm environment, the most suitable growth temperature is about 20, summer high temperature weather, it is easy to breed aphids and other pests and diseases, so in high temperature weather, it is necessary to take cooling measures for chrysanthemums.

4. Ventilation measures

Chrysanthemums breed aphids and other pests and diseases, and may be caused by the maintenance environment is too closed, so when we maintain chrysanthemums, if we want to make it grow healthily, we need to do a good job of ventilation measures for it, and daily maintenance in a well-ventilated environment to avoid it from being in a humid and hot closed environment for a long time.

Chrysanthemums are easy to grow, and the flower shape is beautiful and the flowering period is long, so many families will plant chrysanthemums. However, chrysanthemums are particularly susceptible to aphids, and just looking at the black spots on the bright flowers can spoil the scenery. So, what are the dangers of aphids? What to do with chrysanthemum aphids?

The aphids that harm chrysanthemums mainly include chrysanthemum aphids, cotton aphids, etc.

The body of the chrysanthemum aphid is black-brown and shiny, the ventral canal and tail are black, the female aphid wings are transparent, the nymphs are russet, and the morphology is similar to that of the wingless female. Chrysanthemum aphids can occur in more than ten generations a year. In autumn, winged female aphids are born and migrate and overwinter in chrysanthemums.

In the spring of the next year, when the chrysanthemum germinates, the branches are clear, and the buds are harmed, so that the stems and leaves grow poorly, and the flower stalks are harmed after the buds appear, so that the development of the buds is hindered, and the flowers are not good.

The body color of the cotton aphid is pale yellow at first, but later turns black, and the feet and antennae are yellowish-white. The nymphs are initially grayish-white and later turn yellow. Cotton aphid has a strong reproductive ability, and can occur for more than 20 generations a year.

Overwintering on shrub weeds. When chrysanthemums are cultivated and grown, cotton aphids migrate to gather on the young shoots and young leaves, causing the buds and leaves to curl and yellow, stunt development, and even the whole plant die.

In addition, there is a small aphid, black-green; At first, the back of the leaves is harmed, and when it blooms, it is harmful to sneak into the petals, which not only affects the ornamentation, but also shortens the lifespan of the flowers. For this pest of chrysanthemums, the following methods can be used to control it.

1) Use 50 grams of fresh chili pepper or dried red chili pepper, add 30-50 grams of water, boil for about half an hour, and sprinkle the affected plants with its filtrate to have special effects.

2) Use 3-4 grams of laundry detergent, add water loo grams, stir into a solution, spray 2-3 times continuously, and the prevention and control effect reaches loo%.

3) Add 600-800 times the solution of water with "wind oil essence" and spray it with a sprayer to make the insect body sell the potion. The effect of killing aphids and scale insects and other pests is more than 95%, and there is no pesticide damage to plants.

4) Washing powder, urea, water in the ratio of 1 4 loo, stirred into a mixture, used to spray the plant, can receive insect control

5) Soapy water to control aphids, etc.: with half a basin of water, put a little washing powder or rub some soap, preferably medicated soap, stir up the foam, press the potted flower branches in soapy water to wash, or use a soft brush dipped in soapy water to smear the branches and leaves, a few days later, aphids, scale insects, red spiders and other pests can be eliminated. (6) Put the damaged plants into a jar that can be placed, light a plate of mosquito coils, cover the mouth of the cylinder with plastic film, tie it tightly with a rope, and then make a small hole in the plastic film.

The time depends on the size of the plant, generally half an hour to an hour, whether it is an adult or an egg.

Although aphids are small, their harm should not be underestimated. Therefore, it is imperative that measures be taken in a timely manner. It is said that the above method of grasping has some effect, so you may want to try it.

Daisy insects must first identify what pests are, generally common chrysanthemum beetle insect pests, cotton aphid insect pests and large green leafhopper insect pests, and then carry out targeted treatment, the most effective way is to direct spray insecticides, not serious can be used to induce light or mechanical way to kill.

1. Chrysanthemum beetle insect pest

The chrysanthemum beetle is a kind of daisy pest control that often appears, this pest is generally about 6-11 mm long, and the insect body is cylindrical. It will hide in the roots of daisies, infect from the bottom up, and cause the plant to die due to insufficient nutrients in the later stage. The roots can be dug out when the daisy is divided, and sprayed with a solution of 50% dichlorvos emulsifiable concentrate 200 times.

2. Cotton aphid insect pest

Cotton aphids mainly damage the leaves of daisies, and the daisies will shrink after being harmed, which will lead to gradual atrophy of the leaves in the later stage, and finally the whole plant will wither and die. In this case, it should be dealt with as soon as possible, and the plant can be sprayed with 1000 times of 75% methylphosphosphine emulsifiable concentrate, and it can be sprayed once every seven to twelve days.

3. Large-leaved cicada insect pests

The body length of the large-leaved cicada is generally about 7-8 mm, the head is brown, and the body is cyan. This plant mainly harms the leaves of the plant, and it will suck the sap of the plant's leaves, causing the leaves to turn yellow and wilt. In the early stage, light can be used for booby-trapping, and in the later stage, 1000 times of 50% methamidophos emulsifiable concentrate solution can be used for direct spraying.

4. Comprehensive management

In the case of long insects, we must first identify what pests are, and then carry out targeted treatment, the most effective way is to direct spray insecticides, but to choose agents that are less harmful to the plant itself. When it is not serious, it can be induced by light or killed mechanically, which is not thorough but mild, and the damage to plants and the environment is relatively small.