How to maintain Cotinus bonsai and its value

In the growth process of cotinus, it is inevitable that it will be threatened by various hazards and affect its growth. So how to maintain it? Below I have sorted out the maintenance of cotinus bonsai, let’s learn about it together.

Cotinus bonsai maintenance

About the production of tree shapes

Cotinus generally grows on sunny slopes and semi-shady slopes and can withstand sunlight, drought and severe cold , but are more afraid of wet soil. In early spring every year, when cotinus begins to sprout, you can go to the mountains to select old cotinus piles to make bonsai. After many times of felling and animal bites, the old piles have naturally taken shape. With a little pruning and pruning, they can be made for viewing. bonsai.

About planting and using pots

Cotoneaster is usually planted before germination, and the newly dug old piles should be cultivated in loose and fertile sandy soil. Cotoneaster has strong adaptability and does not have high requirements for soil quality. Use humus soil and add an appropriate amount of sand, and mix it thoroughly. The choice of flowerpots can be determined according to the shape of the tree. Generally, square or round flowerpots are chosen for straight-stem cotinas, while oval or rectangular flowerpots can be chosen for oblique-stem and curved-stem cotinas. pot.

About maintenance and management

1. Site selection. They like light and should be placed in a place with sufficient sunlight and good ventilation, usually outside. However, in hot summer or cold winter, it is generally necessary to move indoors.

2. Watering and moisturizing. Cotoneaster is not resistant to moisture, so be careful not to accumulate too much water in the pot when watering it. Just make sure the soil is moist. Another thing to note is that the air around the bonsai must be kept moist.

3. Fertilization precautions. Cotoneaster likes nutrition, so potted plants should not be fertilized with heavy fertilizers, otherwise it will accelerate its growth and affect the visual effect.

4. Shaping and pruning. The cotinus tree has a strong growth ability and needs to be pruned every spring when it sprouts. It is necessary to ensure that its branches and leaves are not too lush and dense. At the same time, the branches must be properly pinned to ensure the overall beauty of the potted plant.

5. Prevent and control pests and diseases. For the common diseases and insect pests such as damping-off disease and aphids of cotinus, it is necessary to detect them as early as possible and treat them in time.

Value of cotinus

Medicinal uses

It is a plant that can be used as medicine. Every part of its body is a treasure. The leaves can remove moisture and heat from the body, and can also dredge blood, dissolve bruises, and relieve pain. Therefore, when used as medicine, Cotinus cotinus leaves are used to treat colds, inflammation, high blood pressure, hepatitis, etc. The rhizome of cotinus has another wonderful function. The rhizome of cotinus can treat acute and chronic hepatitis, as well as measles. It is one of the very important medicinal materials.

Ornamental

Cotinus is not only a medicinal material, but also suitable for ornamental purposes. Even before its leaves turn red, the entire tree is graceful. And when autumn comes, it becomes even more beautiful. The leaves turn from green to different shades of red, looking like a large red mist from a distance. The fruits of cotinus are also unique in shape and bright red in color. In addition, the flowers of cotinus are pink feathers. When many trees are together, it looks like a pink wonderland. Therefore, you can see flowers in summer and leaves in autumn, which is very suitable for garden planting.

In addition, cotinus is not picky about the environment and can be planted even in very poor soil, so it is even more popular in gardens.

Economic

The trunk of the cotinus is yellow, so it can be extracted as an industrial dye. The leaves and bark of cotinus contain a large amount of gum, which can be used to extract tannin, so it plays an important role in the chemical industry. The trunk texture of cotinus is easy to carve and can also be used as a raw material for sculptures or furniture. In addition, the leaves of cotinus contain excellent raw materials for making spices, and people are working hard to use them to make new flavors that will not cause problems when eaten.

Control of pests and diseases of cotinus

Brown spot disease

Cotinus brown spot disease mainly needs to control the appropriate environmental temperature, avoid excessive cold or overheating, and ensure that it It can grow normally. If symptoms happen to occur, you can directly spray the corresponding bactericidal liquid on it.

Root-knot nematode disease

When winter is cold, diseased seedlings with root nodules can be dug out and exposed and frozen outdoors using the natural low temperature. If the disease is mild, you can cut off the nodule roots directly and soak them in water at 45°C for about five minutes. Use water temperature to eliminate the insects; if the disease is more serious, the nodule roots need to be completely destroyed, and carbofuran (250 grams/667 square meters) should be added to the root side 5-6cm to prevent the spread of insect pests.

Aphids

This situation is quite common. If prevention is not done properly and this situation occurs, just use a special insecticidal liquid to deal with it. It is not very common. trouble.

Underground pests

For pests lurking underground, you can generally water the seedlings around the rhizosphere with chemical solutions, such as 1000 times of 50% phoxim emulsifiable concentrate; you can also use Poison baits are used for trapping and killing, and the baits include wheat bran, bean cakes, cottonseed cakes, corn flakes, etc. First stir-fry the bait until fragrant, then add 90% trichlorfon crystal 30 times solution and mix well. Mix 1 kg of bait for every 30 drops of the solution, add an appropriate amount of water, mix to wet, and spread in the evening.

Damping-off disease

Damping-off disease requires strengthening the sanitation management of the garden, focusing on cleaning work, and pruning diseased branches in a timely manner. You can take 50% carbendazim solution, or 50% wettable powder 500-1000 times, or Bordeaux 1:1:120 times, and spray it once every 10-15 days.

Powdery mildew

The main method to prevent and control powdery mildew is to spray Baumedu sulfur mixture before the branches sprout. You can also use 20% of powdery mildew, or triadimefon or manganese zinc. Spraying with 800-1000 times of liquid will achieve good results.

Fusarium wilt disease

For cotinus wilt disease, severely diseased branches need to be dug out and burned before being buried in the soil to block them from the roots; pentachloronitrobenzene is then used to treat them. To treat the soil, mix an appropriate amount of medicinal solution into the soil. After watering, just turn the soil over again.