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If you want to know more about pesticide herbicide info ,

Please kindly check as below:

Chapter 1: What Is It Herbicide?

Chapter2: Type of Herbicide

Chapter3: Herbicide Uses

Chapter4: Herbicide Benefits

Chapter5: Available Herbicide Formulation

Chapter6: How to Apply Herbicide?

Chapter7: Herbicide Insecticide Label

Chapter8: Herbicide Packing

Chapter9: Awiner Herbicide List

Chapter10: Herbicide Manufacturing Process

Chapter11: Your Best Herbicide Manufacturer

Chapter12: How to Ship Herbicide from China to Your Country?

If you are a farmer, then you have experienced the impact of weeds on your garden. The unwanted plants choke the crops and eat up nutrients too. Controlling weeds will significantly improve your crops yield.

Using the herbicides correctly in the timely manner is therefore vital. You can either control the weeds by weeding or using herbicides.

So what are Herbicides?

They are also termed as weed killers. Herbicides refer to the chemicals that re used to kill plants that grow in unwanted places. The aim of doing so is to boost plants’ productivity.

But how would you choose the right herbicide if you don’t know of the existing types?

Did you know that at times using herbicides is better than weeding?  Here are three reasons to choose herbicides;

•    When you own a large farm
•    High cots of human labor
•    Unlimited number of laborers

The knowledge of herbicides classification is very vital;

Types of Herbicides

There are many types of herbicides in the market.  To the common man with limited knowledge on the subject, shopping for the right herbicide is both demanding and confusing. And moreover, you can buy the right weed killer and misuse it.

Herbicides can be classified under different subheadings in accordance with the following;

•    Time of application
•    Mode of application
•    Biological effect

1. Based on Time of Application

When you classify herbicides based on when they should be applied you get the following categories;

• Pre-plant Herbicides

These are the weed killers used before the sowing or transplanting of seeds. The pre-plant herbicides will help control the growth of weeds. So you can apply them to the existing weeds and pave the way for planting. Therefore, the weed killers that are applied directly on the existing weeds before planting are called pre-plant foliar

Similarly the chemicals that you can apply directly to the soil before planting are termed as pre-plant soil incorporated herbicides

• Pre-emergence  Herbicides

Pre-emergence refers to any herbicide you spray to the soil before even the weeds sprout up. After planting your seeds, you neither wait for them nor weeds to germinate.

• Post-emergence Herbicides

These will help you kill the weeds after they have germinated from the soil. Post-emergence herbicides are effective whether both/ either plant and weeds have germinated.

Based on the Method of Application

When you consider the types of weeds based on how they are applied you get two types;

Soil-applied; these refer to the herbicides applied directly on the soil surface. To get excellent results, you have to apply them when the weeds are just germinating, or are at their tender age

Foliar-applied; these are the weed killers that you spray directly on the leaves. To reap excellent results with foliar-applied herbicides, they have to stay for an extended period on the leaves. The extra time allows for their absorption through the leaves to various parts of the plant.

Based on the Biological Effect

When you classify weed killers on the basis of the biological effect, you get the following types;

• Contact herbicides

These are weed killers which you spray directly on the vegetations to achieve the desired outcome. The herbicides must make contact with the plant. The plants will absorb the contact weed killers through their stomata. Hence it is essential that you apply them very early in the morning. When you spray them on the green plant early in the morning, they get absorbed during photosynthesis process.

After there applications, contact weeds may take about two or three weeks to kill the targeted weeds.

• Systematic herbicides

You can also call them translocated herbicides. As their name suggests, Systematic herbicides are transported to every part of the plant. When the nutrients and water get distributed through the phloem and xylem, these weed killers are transported too. They enable you to get rid of the weeds completely.

• Selective weed killers

As their name suggests, the herbicides have particular targets. For instance when you have the crops and weeds intermingled in your farm, selective weds will kill the weeds but leave the crops unaffected.

Let’s take for instance that you desire to eliminate the weeds on your lawn. In such a case you will spray the selective weed killers that target plants with broad leaves only.  Similarly, you can also choose those that kill only the small-leaved plants like grass and leaves out tree seedlings.

• Non-selective (knockdown) herbicides

When you desire to eliminate every kind of green plant from your farm, then non-selective weed killers are the best. Spray it on your farm, and it will bring toxicity to every green plant present in the garden. However, it isn’t a surprise to find some weeds showing resistivity to particular herbicides.

Therefore since the knockdown herbicides destroy most plants, it’s important to exercise great caution when using them on your garden. When you use it on a windy day, then it might be transported to the nearby plants too.

Mixture Herbicides

At times it’s possible to use a weed killer which is a mixture of different types. That will especially help you to eradicate persistent weeds. Mixture weed killers then have two main advantages;

•    They act on a wide range of plants
•    Show positive results even on the resistant weeds

However, sometimes other herbicides can’t be mixed and used in a single application. In such an instance, sequential application of the herbicides is then preferred.

  Chemical structure

• Chlorophenoxy Acid herbicides

these are the most popular herbicides in the market in which it works by resembling the natural hormones of the plant and thereby causing lethal growth abnormalities.

These herbicides are used worldwide to manage broadleaf plants in which they are made up of an active chemical called phenoxy acid (ether based ingredient). Ex. 2,4 – D, MCPA,silvex, 2,4,5 – T and e.t.c.

• Triazine herbicides

these herbicides were initially developed in 1952 but never showed up to the market until 1957. There major mechanism is to inhibit primary events in photosynthesis in the chloroplasts. You can use it eliminate broadleaf and grass weeds around corn plants. Atrazine is the most popular Triazine herbicide and farmers commonly use it for corn plants.  Ex. Atrazine, Cynazine, Hexazinone and e.t.c.

• Organic phosphorus herbicides

these herbicides are broad spectrum and mostly used to kill many varieties of weeds. It works by inhibiting the plant enzyme EPSPS and block pathways leading to the death of the plant. It was first discovered  by the chemist John E.Frenz in 1970. A few kinds of organic phosphorus herbicides are  known with Glyphosate being the most well-known. according to volume Glyphosate is the most used herbicide in the world. Ex. Glyphosate

1. Existence     

• Organic herbicides  

organic herbicides are good solutions if you are searching for environment friendly herbicides but like any good thing in the world it have limitations, the limitations include that the organic herbicides affect the already emerged weeds but don’t have an effect on the seeds and also these herbicides are noted to have a lesser effect on older weeds than the young ones. Organic herbicides kill weeds by contacting and destroying their external tissues. Weedpharm, C – Cide, weedzap and e.t.c.are some good organic herbicide brands that are present in the herbicide market.

• Inorganic/ synthetic herbicides                 

 this is such a broad group with a big number of herbicides inside it, in which it includes all the synthesized herbicides on the world from A to Z. Most of the  herbicides in this group are inorganic salts which include iron sulphate, copper sulphate, ammonium sulphate and e.t.c. compared to the organic herbicides these herbicides are much less expensive while at the same time they are more effective.

Conclusion

Having gone through the article, you stand a better chance of choosing the right herbicide to use. The knowledge gained equips you with the ability to control weeds at any given stage. Do you want to control weeds growth even before they germinate? Then use pre-emergence type. If you have weeds mixed up together with your crops, then go for the selective weed killers.

However, if you want to eradicate all the green plants in your garden and begin farming again then non-selective herbicide should be your choice. When you choose the right type of herbicide weeds won’t be a problem.