Bordeaux liquid is a type of pesticide, how to use Bordeaux liquid?

Bordeaux liquid. It is a highly effective pesticide, many farmers like to use it, but there are still some people who don't know how to use it, today we will introduce it. <>

1. It is necessary to master the commonly used ratio. Since different fruit trees have different sensitivities, the corresponding liquid concentration must be formulated. Good quality Bordeaux liquid is blue. The bactericidal mechanism is mainly Bobard copper sulfate.

copper ions to affect the activity of certain enzymes that have them, thus playing a bactericidal role.

2. Distinguish the concentration of drugs according to the different growth stages of fruit trees. In general, fruit tree plants are young, less resistant, and concentrations are preferably low. Such as prevention and ** grape chickenpox.

In the early stage of disease, Bordeaux liquid can be diluted 240 times to achieve the purpose of disease resistance. In the later stage, it is more necessary to increase the dilution, it is recommended to use 600 800 times the dilution of Bordeaux solution to spray, and do not reduce the dilution without authorization. Otherwise, it may cause serious pesticide residues in the later stage, so that the acceptance will not pass and seriously affect the income of farmers.

3. Understand the effects of different climatic conditions on medications. In general, during the rainy season, Bordeaux is unstable, do not spray in rain and fog, it will lead to an increase in the soluble copper content on the leaves of plants, leading to burns of the leaves.

So a sunny day should be chosen.

Spray when there is no dew. This is very important, please don't take it lightly. Once this law is broken, it will lead to crop leaf burns, which will cause a significant reduction in crop yields, or even no harvest. This will be a major disservice to the farmer friends!

5.Do not combine with other pesticides. The final spraying period of Bordeaux liquid is generally 10-15 days, and it is not appropriate to spray other chemicals 20-30 days after spraying. Because Bordeaux liquid reacts chemically with other drugs.

Affects the growth of crops. <>

I believe that through the above introduction, farmers have mastered the use of Bordeaux liquid, hurry up and apply it to practice!

When using this drug, you can strictly follow the instructions of the drug. Because when you buy this drug, you generally have a drug instructions, and you will generally not have problems if you use it according to its instructions.

The proportion of preparation is selected according to the tree species. Bordeaux liquor is made of copper sulphate, quicklime and water. Some fruit trees are particularly sensitive to copper sulphate or lime and are prone to pesticide damage.

First, the pesticide is diluted 5,000 times with water, and then loaded into a sprayer and ready to use.

The main chemical component of the pesticide Bordeaux liquid is copper sulfate. Copper sulphate (chemical formula: CuSO4), white or off-white powder, commonly known as bile alum, bile alum, bile alum, blue alum.

Its aqueous solution is weakly acidic and blue. Copper sulphate is an important raw material for the preparation of other copper-containing compounds. When mixed with lime milk, Bordeaux liquid can be obtained, which can be used as a fungicide.

At the same time, copper sulfate is also an electrolyte in copper electrolytic refining. The common form of copper sulphate is crystal, which is copper sulfate tetrahydrate ([Cu(H2O)4]SO4H2O, copper sulfate pentahydrate, which is a blue solid (crystal). Its aqueous solution is blue due to hydrated copper ions, so anhydrous copper sulfate is often used in laboratories to check for the presence of water.

In real life, copper sulfate is often used to refine copper and mix it with hydrated lime to produce pesticide Bordeaux liquid. Properties: It can be decomposed into black copper oxide, sulfur dioxide and oxygen at high temperatures.

Soluble in water, insoluble in ethanol. Under the action of air, copper reacts with concentrated sulfuric acid or copper oxide dissolves in dilute sulfuric acid, and then evaporates and crystallizes. used as ammonia fixation catalyst, cotton silk mordant, wood preservative, agricultural insecticide, water quality fungicide, medical emetic

Anhydrous copper sulfate is used as a raw material for electroplating, dyeing, leather industry, as a dehydrating agent and gas desiccant. Uses:1

Analytical reagents: used for the determination of reducing sugars in cautery reagents and Bannar's reagents. In the reaction, divalent copper ions are reduced to monovalent insoluble red precipitated cuprous oxide.

Copper sulfate can also be used to detect proteins with biuret reagents. Copper sulfate can be used to detect anemia. A drop of the blood sample is placed in a solution of copper sulfate.

If the blood sample contains enough hemoglobin, the blood sample will sink quickly. If the hemoglobin content is insufficient, the blood sample will be suspended in solution. 2.

Organic synthesis: Copper sulfate can be used in organic synthesis. Anhydrous salts are used to catalyze acetalization.

Anhydrous salts react with potassium permanganate to form an oxidizing agent for the conversion of primary alcohols. 3.Agriculture:

Copper sulfate can be used to kill fungi. When mixed with lime water, Bordeaux liquid is produced, which acts as a fungicide to control fungi on crops such as lemons and grapes and prevent fruit rot. The diluent is used for aquarium sterilization and snail control.

<>The main components of the pesticide Bordeaux liquid are water, copper sulfate, and hydrated lime.

Physical and chemical properties: the appearance is blue particles, the particle content of 40 microns is 100%, and the particle content of 5 microns is 80%.

Solubility: insoluble in water, insoluble in ordinary solvents.

Stability: It can be stored for about 2 years in a dry and ventilated environment, and will decompose into copper oxide when heated.

1. The main components of pesticide Bordeaux liquid

1. Composition: mainly copper sulfate, hydrated lime and water.

2. Physical and chemical properties: the appearance is very fine blue particles, the particle content of 40 m is 100%, and the particle content of 5 m is 80%.

3. Solubility: insoluble in water, soluble in ammonia to form complexes, insoluble in ordinary solvents, such as ketones, esters, hydrocarbons and chlorinated hydrocarbons.

4. Stability: Under the condition of ventilation and drying, the storage time is more than 2 years, during which the chemical properties remain unchanged, and it changes when it encounters strong acids and alkalis, and it will decompose into copper oxide after heating.

5. Performance characteristics: It is a protective fungicide, which inhibits the germination of pathogenic spores or inhibits the growth of hyphae by releasing soluble copper ions. Under acidic conditions, when copper ions are released in large quantities, they can also coagulate the cell protoplasm of pathogenic bacteria and play a bactericidal role.

6. Mechanism of action: After spraying, the solution is attached to the surface of crops and germs in the form of microparticles, and gradually releases copper ions through the action of air, moisture, carbon dioxide and crops, germ secretions and other factors, and is absorbed by the germinated spores, and when it reaches a certain concentration, it can kill spore cells, thereby playing a bactericidal role.

Second, other characteristics of Bordeaux liquid

1. In the case of high relative humidity and dew or water film on the leaf surface, the efficacy is better, but it is easy to cause pesticide damage to plants with poor copper resistance.

2. It has a long effective period, and is widely used in the prevention and control of vegetables, fruit trees, cotton, hemp and other crops, and has a good control effect on downy mildew, anthracnose, potato late blight and other leaf diseases.

3. The bactericidal spectrum is wide, the bacteria will not produce resistance, and the toxicity to humans and animals is low. After use, it can effectively prevent the infection of pathogens, improve the disease resistance of the tree, and promote the leaf color to be more intense and green, and the plant to grow more robust.

OK. The mixture of Bordeaux is an inorganic fungicide. The chemical composition of the active ingredient is CuSO4·XCU(OH)2·YCA(OH)2·ZH2O.

In 1882, the Frenchman AMiardet found the bactericidal effect in Bordeaux, hence the name Bordeaux mixture.

It is a sky blue colloidal suspension made of about 500 grams of copper sulphate, 500 grams of hydrated lime and 50 kilograms of water. The ratio of ingredients can be appropriately increased or decreased as needed. It is usually alkaline and has good adhesive properties, but can damage physical properties after long-term exposure.

Bordeaux powder should be prepared for immediate use or made into dehydrated. Mix with water before use.

The Bordeaux mixture itself has no bactericidal effect. When it is sprayed on the surface of a plant, it adheres to the surface of the crop due to its adhesion. During metabolism, plants secrete acidic fluids, and the acids secreted when bacteria invade plant cells convert a small amount of basic copper sulfate in the Bordeaux solution into soluble copper sulfate.

As a result, a small amount of copper ions (Cu2) is generated. After Cu2 enters the bacterial cell, the proteins in the cell are solidified. At the same time, Cu2 can also destroy certain enzymes in its cells, thus preventing the metabolism of bacteria from proceeding properly.

Under the influence of these two effects, the bacteria may be poisoned and killed.

Bordeaux liquid is an inorganic copper fungicide, which has been used in pesticide cultivation in China for many years, and there are many misunderstandings in its use. Some farmers believe that Bordeaux liquid is an alkaline pesticide and cannot be mixed with imidacloprid, acetamiprid, acetophosphine aluminum and other agents.

First of all, Bordeaux liquid is a weak alkaline agent mixed with copper sulfate and quicklime, which will not immediately react strongly with acidic agents, and will not immediately neutralize the efficacy of insecticides and fungicides. Insecticides can be added with imidacloprid, acetamiprid, thiamethoxam, perchloroma, emamectin perchlorine, etc.; To kill red spiders, you can add acitretinazole, emamectin cyanide, etc.; Foliar fertilizer can be added to Otin A, etc.; To prevent fruit drop before harvesting, naphthalene acetic acid can be added.

It needs to be solemnly reminded that the amount of insecticide and sterilization added should be increased by about 30% (for example, 1000 times usually, 700 times when added to Bordeaux liquid), it must be prepared and used, and it must not be placed for too long.

In addition, Bordeaux liquid has a miraculous effect on the following drugs:

1.Ammonium bicarbonate.

Bordeaux liquid combined with 330 times ammonium bicarbonate can not only play the role of foliar fertilizer, but also effectively kill apple cotton aphid and red spider, and the effect is unique in apples, pears and grapes for many years.

2.Carbendazim.

Bordeaux liquid is a protective fungicide, and the addition of carbendazim (systemic fungicide) plays a dual role in protecting apple diseases such as blight rot, brown spot, anthracnose leaf blight, spot defoliation and various fruit rots.

3.Thiram.

The combination of these two works well on grape white rot**.

4.Ethylphosphine aluminum.

The combination of these two is very unique in its ability to protect against downy mildew.

5.Anthrax Fumei.

The combination of these two is very good for the protection and ** of grape anthracnose and apple anthracnose.

6.Urea. The combination of these two has a very good effect on the strengthening of weak trees.

7.Washing powder.

The combination of these two has strong resistance to rain washing, which is conducive to improving the efficacy of the drug and can also treat aphids.

8.Sugar. Together, these two can prevent precipitation very well and are also very expandable.

Bordeaux liquid is a broad-spectrum, low-toxicity biocide. Its main ingredient is copper sulfate, which is usually dissolved in water. Copper inhibits the growth of bacteria and fungi, which is why Bordeaux sap is widely used in agriculture, especially to control diseases on vines and other fruit trees.

The use of Bordeaux liquid can prevent the spread of disease detection and improve the yield and quality of crops.

Although Bordeaux liquid is a relatively safe agricultural substantiation drug, it is still necessary to pay attention to its use method and dosage. Bordeaux liquid can have negative effects on the environment and human health if used incorrectly. Therefore, when using Bordeaux liquid, it is important to follow the correct use methods and safe operating procedures.

In conclusion, Bordeaux liquid is an important agricultural fungicide that is essential for protecting the health of crops and increasing crop yields. However, when using Bordeaux liquid, care must be taken to ensure safe and correct use to ensure that its effects are maximized and negative effects are minimized.

Summary. Hello, glad to answer for you. The active ingredient of pesticide Bordeaux liquid is alkaline copper sulfate, which can form a thin film with low water solubility when sprayed on the surface of the plant, and block the invasion of pathogenic bacteria, and at the same time, through the action of moisture, carbon dioxide in the air and organic acids secreted by plant secretions and pathogen spores when germination, soluble copper ions are gradually produced, so that the protein of the pathogen body is coagulated.

Bordeaux liquid formula for crop **.

Hello, glad to answer for you. The active ingredient of the pesticide Bordeaux liquid is alkaline copper sulfate, which can form a thin film with low water solubility when sprayed on the surface of the plant, and block the invasion of pathogenic bacteria, and at the same time, through the action of moisture, carbon dioxide in the air and organic acids secreted by plant secretions and pathogen spores when germination, soluble copper ions are gradually produced, so that the protein of the pathogen body coagulates.

I want the recipe, not the Haruka.

Bordeaux Yanshan number liquid will not be used? The super practical formulas are all here, don't you have a collection? Bordeaux liquid plus ammonium bicarbonate 330 times.

These two are matched with each other, which can not only play the role of foliar fertilizer, but also can effectively kill apple cotton aphid and red spider only slag, and the effect is generally very good in apples and pears. And the prevention and control of citrus canker disease is better than alone. Bordeaux liquid plus carbendazim.

Bordeaux liquid is a protective fungicide, adding carbendazim, can play a dual role of protection and protection, and can protect a variety of apple diseases. Because Bordeaux liquid is resistant to brown spot, anthrax leaf blight, spotted defoliation. Bordeaux liquid plus Forme double.

Generally, Bordeaux liquid plus Formei double has a very good effect on white rot of grapes, and the Bordeaux liquid itself is also very protective against a variety of diseases of grapes.

What kind of medicine is better for pepper leaf spot Bordeaux liquid to add**?

In woo. At the beginning of the disease, spray 64 alum wettable powder 500 times, 50 methyl copper positive touch envy wettable powder 600 times, thiophanate-methyl wettable powder 500 times, and 58 methamethoxin manganese zinc wettable powder. Pepper leaf spot disease can generally be treated with 75 chlorothalonil wettable powder 500-600 times liquid, 50 polymycolin wettable powder lifting 1000 times liquid, noisy people, etc., the effect is good.