What is the white thing that is painted on a tree in winter?

What is the substance and what role does the whitening of the trunk in winter do.

The white paint brushed on the tree is generally limestone, not paint, the ingredients are relatively simple, not very complicated, and you can use 10 copiesQuicklime, 2 copiesStone sulfur mixture, 2 copiesEdible saltMix 2 parts of clay, and then add water to it, so that the stirring and mixing can be successfully prepared.

When brushing on the tree, it is best to brush it twice, so that it can have a good effect, the effect of one time is not very obvious, the first time after the fruit tree has fallen leaves, and the second time in early spring.

Precautions for the use of whitening agent.

1. When using, the whitening agent should be fully stirred evenly, especially the lime must be fully matured, and it must not contain particles, otherwise it will burn the tree, and the lime milk can be filtered if necessary.

to remove residue and other particulate debris.

2. Before smearing, carefully check whether the tree body has dry moth pests, and if you find that the cavities should be plugged with a cotton swab, and then whitened after sealing the mud.

3. The height of the trunk should be 1 meter at the lower part of the trunk, which can be grasped according to the height and thickness of the tree, and attention should be paid to keeping the height of the white coating consistent to facilitate the appearance.

1. In winter, the thing that paints white on the tree is lime water. 2. This is done to keep warm, make the trees better winter, and prevent the cracking of the bark of the beam. Second, it can play the role of sterilization and insecticide, and can kill the bacteria and fungi parasitic on the tree, and the pest does not like white places, it likes black places, so after painting white, it will not climb to the tree and harm the tree.

In winter, the white stuff on the tree is actually lime water, which is done to keep warm, make the tree better winter, and prevent the bark from cracking. Second, it can play the role of sterilization and insecticide, and can kill the germs and fungi that are derived from the tree, and the pest does not like white places, it likes black places, and so after painting white, it will not climb to the tree and harm the tree.

Whitening of the trunk means that the trunk has been brushed with a layer of white liquid by the workers. When the trunk is dressed in a white dress made of lime water, it can reflect 10% of the sunlight back, so that the heat absorption is reduced, and the trunk will not freeze and crack due to the huge temperature difference between day and night, and it also has the effect of sterilization and insect prevention. A unique sight in the city.

The trunk of the tree is coated with Bordeaux sap, which can sterilize, kill insect eggs, and prevent frost damage.

Bordeaux liquid, a biocide, formulated from lime water and copper sulphate. Bordeaux liquid has strong adhesion and forms a film when sprayed on the surface of the plant, gradually releasing copper ions to prevent germs from invading the plant. In addition, the copper in Bordeaux solution is absorbed by the plant body, which can play the role of trace elements, promote the growth of plants, and improve their disease resistance.

At the same time, when the trunk is dressed in a white dress made of lime water, it can reflect back 10% of the sunlight, so that the heat absorption is reduced, and the trunk will not freeze and crack due to the huge temperature difference between day and night.

The white substance brushed to the trunk in winter is lime water, which is generally mixed with quicklime, stone sulfur mixture, salt, clay, water, etc., which has the effect of killing various pests and eggs, and can prevent the bark from cracking due to the excessive temperature difference between day and night, which is conducive to the safe wintering of plants.

The white substance to be brushed on the trunk in winter is lime water, which is generally mixed with quicklime, stone sulfur mixture, salt, and clay in a ratio of five to one to one, and diluted with water to obtain a water solvent, and when brushing on the trunk, it needs to be brushed two to three times.

Brushing white solvent on the trunk of trees in winter can not only kill various pests and eggs in the cracks of the bark, prevent the occurrence of pests and diseases from the root, but also prevent the bark from cracking due to the excessive temperature difference between day and night, which is conducive to the safe wintering of plants.

The winter climate is very cold, and it is necessary to do a good job of keeping the trees warm, usually wrapping the trunk with straw, plastic film, hay, etc., to protect the cold and keep warm, and prune the dead branches and leaves of the plant before winter, reduce nutrient consumption, and water the antifreeze water once after pruning, and apply a phosphorus and potassium fertilizer to improve the cold tolerance of the tree.

In the process of maintaining trees in winter, it is necessary to reduce the amount of water and fertilizer, do not apply frequently, affect the normal growth of the root system, and the trees for bonsai maintenance usually overwinter indoors, at this time, it is necessary to open windows regularly for ventilation and provide sufficient light to the plants.

A measure of winter protection for trees.

The scientific name of the white clothes on the trees is whitening agent, and it was specially worn by the garden workers of my Hongyun people, so why do you paint the trees with whitening agent? What is the use of whitening agent on them?

1. Kill germs.

The quicklime and salt components in the whitening agent have the effect of sterilization and disinfection, which can eliminate all kinds of germs overwintering at the base of the trunk, and can also accelerate wound healing after whitening.

2. Kill insect eggs.

3. Pest control.

Pests that harm trees generally like dark, dirty places, do not like white, clean places, the trunk is coated with whitening agent after the pests dare not climb along the trunk to the tree harm.

4. Prevent gnawing.

The whitening agent contains lime, sulfur and other unpalatable ingredients, which can prevent pikas from gnawing on tree bark in winter;

5. Prevent frost damage.

From the beginning of winter to the beginning of spring of the following year, there is a large temperature difference between day and night. In winter, the trunk is black-brown, which is easy to absorb heat, resulting in a large temperature difference between day and night in the sunny bark, which is easy to freeze and crack. In particular, large trees are more likely to crack due to their thick trunks, dark color, and poor tissue toughness.