Pros and Cons of Biological Pest Control

Pros and Cons of Biological Pest Control

When it comes to controlling the pests in your garden or in a field, there are two options you can opt for.

The first one is a chemical treatment which involves pesticides and the other one is a biological treatment.

When we use pesticides in order to kill insects, we also target those insects which do not hurt us, if anything, they are beneficial for the environment.

In case we do not want to kill those beneficial insects but only the harmful pests, biological pest control works the best.

What Is Biological Pest Control?


Biological pest control can be defined as a process where we control the pests and their population by using their enemies against them.

These natural enemies are known as pest control agents and it include the predators, parasites and organisms.

Biological pest control method of controlling and getting rid of pests is way better and environmentally friendly as compared to others.

But, this kind of killing of pests requires an active control of a human being.

The biological method is majorly used, as it is environmentally friendly as well as safe. Plus, no remains of of the pest control agents are left in the air.

The biological process of controlling the pests might seem easy, but it is not, especially if this is the first time you are doing it.

When it comes to biological pest control, it has three strategies and each strategy is different from the other, having different steps and agents.

Following are those three strategies:

  • Conservation Biocontrol
  • Augmentative Biocontrol
  • Classical Biocontrol

I am sure we have all heard of gardeners having ladybugs in their gardens. That is because they opted for the biological method of controlling the pests.

Ladybug acts like one of the biological control agents which is safe both for the environment and for the soil as well as water.

Moreover, even mint is used by many gardeners as it also plays the role of being a pest control agent. By planting mint in the garden, spiders stay at bay and do not enter the garden.   


Pros and Cons of Biological Pest Control


Further in this article we will discuss the pros and cons of biological pest control:

Pros of Biological Pest Control

Following are the pros of doing a biological pest control process:

1- Specifically Targets the Pests

When it comes to biological method of controlling the pests, the predator which is used to control the pests will only and specifically control and target the population of the pests.

This makes it a better option as compared to the chemical pest controlling process. In the chemical process, as it is full of pesticides, it can easily destroy the plants which also bear fruits by rotting them.

Biological pest control is a method that is safe as it targets only weeds and leaves the fruits and others alone.

This selectivity is one of the greatest advantages of the biological pest controlling method as it does not damage the other species.

2- Cost Effective

When it comes to the cost of this process it can be cheaper but can also be more costly than the chemical procedure. The introduction of the process can be expensive as the steps involve in it can be costly.

But in places where the pests are in low level and are not very strong, this method is actually pretty cost effective and convenient for them.

When it comes to fungi, it is very cost-effective. In this process, fungi kill the insects as it grows inside them. It takes almost a week for the fungi to completely kill the insect.

3- Friendly for The Environment

The chemical method of controlling the pests can be very bad for the environment. It is responsible for contaminating the atmosphere, the water as well as the soil.

Unlike the chemical process, the biological control pest does not leave behind any kind of residue as it’s after effects. That is why it does not adversely affect the environment in any way.

Cons of Biological Pest Control

Now, let us discuss some cons of biological pest controlling:

1- Time Consuming

One major disadvantage of biological pest controlling can be that it takes a lot of time to actually control the population of the pests. It can take up to years to actually start working.

For a gardener who needs to control the pest population immediately or in a short period of time, this option can be a no-no for him or her.

When it comes to the biological method of controlling the pests, it requires a lot of dedication as well as patience.

2- Can Be A Hard Task for A Non-Professional

Biological method of controlling the pest population might sound easy, but it is not.

Especially if you are non-professional, it might be harder for you because the strategies involved in this process can be very complicated as well as the steps in all three different strategies.

In order to accomplish this process, one needs good knowledge of environmental conditions as well as of the biological control agents.

3- Does Not Work Everywhere

While the chemical process of getting rid of the pests has proven to be successful, the success stories of controlling pest population through a biological process are very less.

Moreover, this process is more common to be restricted to the pests in the glass house and to areas which are small and are on the islands.

4- Can Grow New Pests

There have also been cases where the biological control agent, when introduced and is non-native, ultimately turns into a pest itself.

An example of this is, in the US a lady beetle was introduced in order to control the aphids. However, it became a pest itself.

The Conclusion

Ultimately, biological pest control has its own set of advantages and disadvantages, as it is still a new method of controlling the population of the pests.

Care that if you plan to use this method for pest control, hiring a professional is important.

A professional who knows about it and has knowledge regarding it should implement the process much efficiently as it can be difficult for the non-professionals. 

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