If the fruit tree is white, do you really use it?
The fruit tree whitening agent is a preparation in which the main layer of the fruit tree and the base of the main branch are whitened by mixing with lime, vegetable oil, salt and the like as main components, and the whitening agent is different according to the function and whitening purpose. And it is divided into many kinds. In the production of fruit trees, different types of whitening agents can be arranged according to actual needs, so that they can achieve the goal with half the effort. Whitening agent â— The quicklime and salt components in the bacteriostatic whitening agent have the function of sterilization and disinfection, which can eliminate all kinds of pathogens that overwinter the base of the trunk, and accelerate the wound healing after white coating. â— Killing eggs Many eggs tend to overwinter in the bark gap and inside the trunk of the trunk. Whitening can effectively eliminate these eggs. â— Pests that control pests and fruits are generally like dark, dirty places. They don't like white, clean places. After the white coat of white coat is white, the pests don't dare to climb along the trunk to the tree. â— Prevent the animal from biting the bark after it has been painted white. â— Prevent freezing damage into the spring after the winter, and the temperature difference between day and night is large. By whitening, you can reflect the sun and ultraviolet rays in the daytime, reduce the temperature difference between the day and night of the trunk and avoid freezing damage. White-painted trees tend to delay the germination and flowering of trees because of the slower temperature accumulation at the base of the trunk, which can avoid frost damage caused by “cold springâ€. â— Preventing the sunburnt trunk from being whitened, it can reflect the bright sunlight and ultraviolet rays during the day, which can effectively reduce the occurrence of sunburn hazards. White time From the end of November to the middle of February of the next year, the trunk can be painted white. During this period, the winter temperature is low, the cold air sinks, the trunk is most vulnerable to freezing damage, and some pest bacteria hide in the cracks of the trunk epidermis over the winter. The effect of whitening the trunk is better, which can significantly reduce the number of occurrences of pests and diseases in the coming year and reduce the workload of pest control in the coming year. White painted part The height of the white coating is 1~1.5 meters away from the ground. The focus is on the white roots of the trunk. The large trees, diseased trees and trunks with incomplete crowns should be painted white. Ordinary branches, do not white the branches of the year, so as not to burn the cortex. Type of whitening agent Whitening agent for the purpose of preventing frost damage Orange, sweet orange, pomelo and other cold-tolerant fruit trees, peach trees in the north of the Huaihe River, and fruit trees in low-lying orchards are all susceptible to freezing damage. Applying whitening agents to the trunks of these fruit trees is for them to wear. After winter clothes, the insulation layer was formed to increase the ability of such fruit trees to resist cold and freeze. Talc powder whitening agent: 0.5 kg of talcum powder, corn flour or bean noodles 0.5 kg, add 10 kg of water and mix well, and add 0.2 kg of washing powder to increase the adhesion of the whitening agent. Lime cement yellow mud whitening agent: 5 kg of water and 2 kg of quicklime. After mixing well, pour 2 kg of cement and 1 kg of yellow mud in turn, mix thoroughly to form a slurry. The whitening agent is resistant to rain. It can be kept on the bark for one year without falling off, and it can prevent the occurrence of invasive diseases. Whitening agent for pest control purposes Before painting white, first scrape the bark within 50 cm above the root neck of the trunk. It is better to scrape the skin of the fruit tree with more than 10 years of fragile skin and skin, scraping off the main skin and the old skin on the main branch. Pear trees, apple trees, lightly scraped chestnuts, etc., peach and plum are not recommended to scrape, in order to prevent the occurrence of gum disease. If you find a pest on the trunk or have a pest, you should first kill the observed pest and then whiten it. Stone sulphur mixture: first fully melt with 10 kg of water and 5 kg of quicklime, stir evenly, then add 1 kg of yellow mud, stir well, then add 1 kg of sulphur mixture of Baume degree of 11 degrees, then add Each 0.5 kg of salt and vegetable oil was thoroughly stirred well. The lime and stone sulphur mixture can kill the pests and eggs that are overwintering in the cracks of the bark, and the salt can prevent the whitening agent from collapsing and sticking and sticking. Lime sulfur mixture whitening agent: firstly convert 5 kg of quicklime and 0.3 kg of salt with 8 kg of hot water, stir into a paste, then add 0.3 kg of vegetable oil, 0.5 kg of sulfur powder, 0.2 kg of bean noodles or cornmeal, side Stir until it is evenly added. Lime and sulphur powder can prevent freezing and pests and diseases. Salt can make lime and sulphur powder penetrate into the trunk of the trunk, keep moisture, prevent dry cracking, and vegetable oil and bean noodles can improve the adhesion of the whitening agent on the trunk. Whitening agent for the purpose of preventing disease Lime copper sulfate mixture: 0.5 kg of copper sulfate is opened in a container with 1 kg of hot water, and 5 kg of quick lime and 5 kg of water are turned into lime milk in a container, and finally the melted copper sulfate solution is poured. Stir well in the container of lime milk. Limestone sulphurizer residue whitening agent: 5 kg of lime and 0.5 kg of stone sulphur mixture residue added with water 25 kg, plus 0.1 kg of salt is fully stirred evenly. Whitewashing notes 1, the whitening agent should be used with the use, it is not appropriate to match, according to the task of whitening configuration of the amount of whitening agent, after the whitening agent can not be placed. 2. In the process of arranging the whitening agent, each time the ingredients are added, the mixture should be fully stirred to make it uniform, so that the whitening agent can be evenly adhered to the trunk. 3. Before the whitening of the orchard, the orchard should be trimmed in winter, then the cut branches should be collected and burned, and the injured parts such as cracks and cracks on the trunk should be wrapped with plastic film. 4. Observe whether the pests have entered the trunk. If the pests are intruded, they should be inoculated with cotton or cotton cloth to kill the pests and then whiten. Disclaimer: Some articles on this website are transferred from the Internet. If legal rights of third parties are involved, please inform this website. phone
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