Identification of Plant Pests and Diseases - How to Prevent


The most common pests on plants and how to avoid them 

Identify the most common pests in plants to prevent them from proliferating and consuming the stems, roots and leaves.  

One of the challenges of having plants at home is that they are not affected by pests, since the most common ones tend to proliferate easily, consuming the stems, roots and leaves of these.

In addition to basic care, the important thing with pests is to be an observer so that you can them identify in time and apply some home remedies to cure your plants.

Next, we share the most common pests on plants and how to avoid them. 


What are the most common pests on plants?

There are various pests that affect the growth and development of plants, the most common being: 



They are small insects that consume the green pigment in the leaves and stems of plants such as succulents, orchids, rose bushes, and violets. They can be identified since the plants begin to have yellowish tones. 



These insects usually affect any flowering plant, such as orchids, causing small scars on the back of their leaves and on the petals. 



Another of the most common pests are scales, which tend to stick to the stem of plants such as orchids and citrus trees, that is, lemon, orange, tangerine. These are noticeable by the bumps that form on the stems 


White flies

This pest is usually common in medicinal plants, such as spearmint or chamomile, lavender, and begonias. The excrement of these insects affects the leaves, which in turn promote the reproduction of fungi. 


Larvae or worms

These insects usually originate with butterflies, which lay their eggs on the leaves and later feed on them. They are common in plants such as basil, spearmint, small shrubs, orchids, or violets. 


Snails and tlaconetes

These insects are extremely aggressive to plants with fleshy foliage, which bite the leaves and produce slime, causing a brown hue around the edges. They also tend to hide in the ground or at the bottom of the pots. 


Mealy louse

This insect is characterized by sucking the sap of the plant and leaving it with yellowish tones, accumulating mounds that resemble fluff or flour residues. They are common in orchids or small shrubs. 


How to avoid pests in plants?

The ideal way to avoid pests in plants is to carry out basic care such as watering, pruning, taking care of the lighting, and applying fertilizer from time to time. However, once a pest is observed, there are home remedies that can help control them and revive your plants. The most common are:

Soap solution

This remedy helps control aphids, scales, thrips and whiteflies. To prepare it, you will need a liter of water, liquid dish soap and a spray bottle. After:

1. In a liter of water add 5 ml of liquid detergent.

2. Pour the liter of soap solution into a spray bottle and spray the affected areas of the plant.

3. Make at least two applications a week until the infestation subsides to a minimum.

Garlic solution

This remedy is used to control larvae and worms. For it:

1. Crush a head of garlic with some cloves and pour the mixture into two glasses of water until a homogeneous mixture is obtained.

2. Let this preparation rest for a whole day and then add three more liters of water. Then strain the solution and pour it into a spray bottle.

3. Spray the entire plant evenly and apply twice a week.

Tile, citrus and vegetable trap

This method works to control snails and tlaconets. To do this, you must:

1. Place a tile between the plants or a tile with orange, tangerine peels, or fresh lettuce, cabbage or broccoli leaves.

2. Wait for the insects to accumulate in the trap and remove it.

Alcohol solution

This method works to control mealybugs. To do it, you need a bottle of 70% alcohol, a spray bottle and a soap solution at the beginning. After:

1. Pour some of the alcohol into the spray bottle and spray evenly on the affected areas.

2. Allow a few minutes to pass and apply the soap solution.

3. Using a wooden toothpick, remove mounds of “fluff” to keep the blade clean. 


How to eliminate different pests and diseases of plants? 

We tell you what types of pests and diseases exist, what are their signs and how to combat the different pests and diseases of your plants.

Plants bring many benefits to our home, but sometimes they can be affected.

We tell you what are the home remedies to eliminate pests and diseases from your plants and how to prevent them. 

How to detect different pests on plants ?

In order to combat the different pests and diseases of our plants , we must detect them.  Some signs of problems in them are:

  • Leaves eaten or curled.
  • Color changes in the leaves.
  • White powder on leaves and stems.
  • White insects on the leaves of plants .
  • Spider webs. 
How to eliminate different types of pests and diseases of plants?

There are insects or diseases that can cause various damage to your plants, so it is important to know how to eliminate the most common types of pests in plants naturally. We tell you what the types of pests are and how to combat them: the most common are aphids, fungi, mollusks, mealybugs and whiteflies.  Below we indicate what to use for pests in your plants, according to the type. 


How remove aphid pests in plants ?

Aphids are very common during the summer: if you find green insects on plants (although also dark or white in color) it may be them.

To combat a plague of aphids in a natural way you can resort to the use of garlic, since it is a great home remedy for these black, white or green insects of the plants : it is convenient to boil a head of garlic for thirty minutes, filter the liquid, place it in a sprayer and spray the plant every day until you notice improvements.

We recommend doing this in the morning or late in the afternoon.

How eliminate pests snails and other mollusks of the garden plants ?

We propose some home remedies to eliminate mollusk pests in your plants :

  • In principle, it is important to remove the mollusc infestation from plants manually.
  • Using beer in containers on the ground is a great help, as snails and slugs love this drink.
  • Use copper wires, as they repel mollusks.
  • Spray the crops with garlic (using the same preparation to eliminate aphid pests ).
  • Place orange peels face up.

How combat pests of plants ants ?

We tell you how to eliminate ant pests from the plants in your garden or orchard using some homemade solutions:

  • Garlic , due to its aroma, is one of the best natural remedies for insect pests on plants .
  • Applying pieces of oranges also fights insect pests on the ground, leaves, and plant stems .
  • White pepper mixed with water is also an ally when it comes to driving away ants. We recommend spraying the soil and the stems of the plants.
  • Spraying the anthill with a mixture of a lemon squeezed in a glass of water, also repels these insects.

 How combat pests fungi on plants ?

Fungi can trigger different diseases in plants or crops:

  • Black : spot as the name implies, they are dark spots that can pigment the entire leaf yellow with black spots.
  • Mold: gray in color, can be caused by too much humidity and / or lack of air.
  • Rust: the leaves acquire rust-colored spots.
  • Powdery mildew: this disease is often referred to as a plague of white ash on plants, since it generates a white layer with dust on the leaves of the plants.

If you have a vegetable garden and you detect fungi, we will tell you how to combat various pests and diseases of tomatoes, carrots and other vegetables or fruits in a natural way. We are talking about bicarbonate, which is a good home remedy for plant fungi , since it acts as a fungicide.

You need to make a mixture of four cups of water, a tablespoon of baking soda and a small tablespoon of detergent. With a sprayer, spray the affected areas in the morning or afternoon for best results in removing fungus from plants .


How do you combat the mealybug infestation on plants ?

These insects suck the sap from plants, they are very resistant and hide in nooks, therefore it is difficult to eliminate this pest from plants . A good solution to combat this pest naturally is to use a cloth soaked in alcohol and wipe all the leaves completely. It is important to check all the nooks and crannies (we can use a swab for these sites).

Another option is to go for organic products that are 100% natural and can be easily found in the market.


How remove whitefly pests in plants ?

These insects reproduce easily in various crops, they are very small and are located on the back of the leaves. We give you some tips on how to combat pests of these insects in watermelons, tomatoes, carrots , peppers, etc. in an ecological way:

  • Potassium soap: place about 20 ml of the soap in one liter of water and spray the crops.
  • Tobacco: it is recommended to make a preparation with about 250 grams of tobacco, four liters of water and 30 grams of detergent. This mixture should be boiled for thirty minutes and then mix one part of that final preparation with four parts of water.

How avoid pests and plant diseases ?

Some recommendations for the natural control of different pests and diseases in your plants and not having to fight them are:

  • Keep the plants well fertilized, you have to be careful not to overdo it with the fertilizer.
  • Regular review of your plants to verify that there are no anomalies.
  • Do not overdo the watering as it can generate fungi and remove excess water from the dish.
  • Aerate the soil using a rake.
  • Keep plants and pots clean, removing wilted leaves and flowers.




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