What are the types of herbicides? Can herbicides and pesticides be used together?

The principle of pesticide mixing: no adverse chemical reactions (such as hydrolysis, alkaline hydrolysis, acidolysis or redox reactions) occur between mixed varieties, to ensure normal efficacy or synergistic, and to do not affect the physical properties of pesticides (such as emulsification, suspension rate reduction, etc.).

For example, most organophosphate insecticides cannot be mixed with Bordeaux liquid, stone sulfur mixture, etc.; The powder cannot be mixed with wettable powder and soluble powder.

It can be classified according to the specific ingredients. It contains both inorganic compounds and organic compounds. It is possible to mix and use together, but it is important to pay attention to the principle of mixing.

There are chemical, tutoring, and contact killing, and in general, herbicides and insecticides are not used together.

Herbicides are also a type of pesticides, and this concept should always be there. Whether the two pesticides can be used at the same time depends on whether the components between them will react, if there is a substance that can react, it will reduce the efficacy of the drug and even produce toxic substances to harm crops, and it can be used at the same time if it does not react. However, if you want to control weeds, it is recommended to use herbicides first, and then use other types of pesticides after they have worked.

First of all, it is necessary to relieve the medicinal properties of herbicides and pesticides, especially in terms of acidity and alkalinity, if one is acidic and one alkaline, it must not be mixed, and there is no possibility that two or more herbicides and pesticides interact with each other to reduce the efficacy or produce pesticide damage, if there is no above problem, it can be used at the same time.

Summary. A: Hello dear Can herbicides and pesticides be used at the same time?

Herbicides and pesticides can be mixed, but the principle of pesticide mixing needs to be followed. Mixing principles:1

When the two are mixed, no hydrolysis, alkaline hydrolysis, acidolysis or redox reactions occur. 2.After the two are mixed, the physical properties of the liquid medicine will not be affected, that is, there will be no stratification, precipitation, emulsification, suspension rate reduction and other phenomena.

3.After the two are mixed, it will not increase toxicity and cause drug harm. 4.

Organophosphorus and organosulfur pesticides should not be mixed with copper-containing pesticides.

A: Hello dear Can herbicides and pesticides be used at the same time? Herbicides and pesticides can be mixed, but the principle of pesticide mixing needs to be followed.

Mixing principles:1When the two are mixed, no hydrolysis, alkaline hydrolysis, acidolysis or redox reactions occur.

2.After the two are mixed, the physical properties of the liquid medicine will not be affected, that is, there will be no stratification, precipitation, emulsification, suspension rate reduction and other phenomena. 3.

After the two are mixed, it will not increase toxicity and produce pesticide sensitivity. 4.Organophosphorus and organic segment sulfur pesticides should not be mixed with copper-containing pesticides.

Yes. Herbicide is also a kind of pesticide, whether the two pesticides can be used at the same time, Chang chain of course depends on whether the components between them will react, if there is a substance that can react, it will reduce the efficacy of the drug and even produce toxic substances to harm crops, and it will not react can be used at the same time. However, if you want to control weeds, it is recommended to use herbicides first, and then use other types of pesticides after they have worked.

Summary. When is the herbicide sprayed with a good effect 1. If it is a season with low temperature such as winter, spring, and autumn, it is generally chosen to use the medicine from 10 am to 3 pm, and the temperature is more suitable at this time. 2. If it is a summer with high temperature, generally choose to take medicine before 9-10 am or after 4-5 pm.

If the medicine is used at high temperature at noon, on the one hand, the water in the liquid medicine evaporates quickly, which is easy to lead to an increase in the concentration of the liquid medicine, resulting in pesticide damage. On the other hand, when the temperature is too high, the stomata on the foliar surface of weeds are closed, and the absorption rate of the liquid medicine decreases. 3. Spraying herbicides is generally carried out on sunny or cloudy days, requiring no wind or light breeze (wind below level 3), temperature above 10, and no dew on the leaf surface.

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Herbicides and pesticides can be mixed, but the principle of pesticide mixing needs to be followed. Mixing principle: 1. After the two are mixed, no hydrolysis, alkaline hydrolysis, acidolysis or redox reaction will occur.

2. After the two are mixed, it will not affect the physical properties of the liquid medicine, that is, there will be no stratification, precipitation, emulsifying base, suspension rate reduction and other phenomena. 3. After the two are mixed, it will not increase toxicity and produce drug damage. 4. Organophosphorus and leanum organosulfur pesticides cannot be mixed with copper-containing pesticides.

When is the herbicide sprayed with a good effect 1. If it is a season with low temperature such as winter, spring, and autumn, it is generally chosen to use the medicine from 10 am to 3 pm, and the temperature is more suitable at this time. 2. If it is a summer with high temperatures, it is generally chosen to take medicine before 9-10 o'clock in the morning or after 4-5 o'clock in the afternoon. If the medicine is used at high temperature at noon, on the one hand, the water in the liquid medicine evaporates faster, which is easy to lead to an increase in the concentration of the liquid medicine, resulting in drug damage.

On the other hand, when the temperature is too high, the stomata on the foliar surface of weeds are closed, and the absorption rate of the liquid medicine decreases. 3. Spraying herbicides is generally carried out on sunny or cloudy days, and there is no wind or light breeze (wind force below level 3), the temperature is above 10, and there is no dew on the leaf surface.

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It's good. In general, it is very problematic to use the two together, and if they need to be used together, they need to be configured according to a certain proportion.

The effect is not good, although each of them can play a good role in killing insects, but after compounding, they will cancel each other out.

The effect will be very good, because the active ingredients of the two drugs are mixed to get the most out of their abilities.

Looking at the description of the merchant of the product, some chemical ones can be used, but microbial and plant-derived ones should not work.

There are many ways to use pesticides and dust herbicides, depending on the insects and weeds you want to control. For example, some multi-agent agents with fluoride (tethiourea, fluoxalate, and carmopine) can control most weeds and have some insecticide effects. In addition, multi-agent agents with chlorine (cyclothrin, chlorofen and chlorsulfur) can control some foliar insects, and most of them also have some weed control capabilities.

Post-emergence herbicides should not be mixed with pesticides. Herbicides and insecticides contain different ingredients and are used in different places. Herbicides are generally sprayed on the ground and weeds, and insecticides are mainly sprayed on plants.

If it is mixed, the effect is not good, and it is likely to cause drug damage. At the same time, care should be taken when using pesticides. If post-emergence herbicides have been sprayed, organophosphorus pesticides such as methamidophos, dichlorvos, cicadas, etc. should not be applied.

Within 7 days to avoid drug damage.

Post-emergence herbicides are not a substitute for pesticides. Post-emergence herbicides are mainly used to kill or control weeds in the process of plant growth, and herbicides are mainly used to prevent, kill or control pests and insect pests in the process of plant growth. Therefore, their different functions cannot be substituted for each other.