Neem Oil Control Whitefly

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Growing plants indoors can cause pests, but they will not be infected like outdoor plants.

For gardeners, one of the most frustrating pests is whiteflies. These small scourges can destroy food crops and spread diseases.

Whiteflies on leavespin

Neem oil is one of the most trusted natural pesticides for many food crops, including tomatoes, pumpkins and fruit trees.

But will this wonderful extract Neem Tree to one Whitefly infestation?

Can you use neem oil to control whiteflies

Don’t be afraid, whiteflies are one of the many pests that neem oil can fight against-and it works very well.

Read on to learn more about what whiteflies are, how to use neem to fight whiteflies and how it works.

Understanding whiteflies

Whiteflies are tiny insects that usually grow between 3/64 and 5/64 inches.

There are more than 1,500 species known, all belonging to Whitefly Superfamily.

These pests are closely related to two other common garden pests, aphids and mealybugs.

Although they are not a type of fly, they may be mistaken for albino gnats when flying, especially considering their habit of wandering in groups.

Adults lay 400 eggs at a time and have a short life cycle, so the moment you find one, the infection may already be serious.

Like other piercing insects, whiteflies have adapted to hide under leaves to avoid predators.

They have long, ear-piercing mouthparts, which are used to drink the sap of the host plant.

Over time, this can severely weaken the plant, change color and eventually kill the leaves.

To make matters worse, their feces (called honeydew) is a sticky substance that attracts ants and fungal spores.

As a result, infected plants are usually infected with soot mold.

Although they can easily prey on ornamental flowers and indoor plants, they are notorious for attacking food crops, such as:

  • Cabbage and its relatives
  • Citrus Tree
  • eggplant
  • Okra
  • black pepper
  • sweet potato
  • tomato
  • squash

Although non-edible plants may be affected and sometimes rebound, the threat of damage and disease is so serious that the annual losses caused by whiteflies are estimated to be hundreds of millions of dollars.

Three types of neem

Neem oil is an excellent natural substance that comes from all parts of the human body Neem Tree.

Fruits and seeds have the highest oil concentrations, and they are most commonly used in oil production.

Part of the tree is cold pressed to extract the oil and avoid any form of heat exposure, as this will degrade the oil.

The resulting liquid is called 100% cold-pressed raw neem oil, and the solid is called neem cake.

Raw neem contains azadirachtin, which is the most effective ingredient among the five insecticidal ingredients.

Azadirachtin is usually extracted from unprocessed Azadirachta indica and used in other insecticide products. The resulting oil is called clarified and hydrophobic Azadirachta indica oil.

The clarified neem contains 0.5% to 3% azadirachtin and is sold according to the remaining concentration.

What is the role of neem oil

All three types of neem are used to fight insects, fungal infections, harmful microorganisms, and even bacteria.

read: How Neem Oil Works

However, neem cake used as a fertilizer with insecticidal properties is useless against whitefly infestation because it protects the soil instead of the leaves.

Among the remaining two, raw neem is used systematically, while clarified neem is used locally.

When used as a soil soak, the unprocessed neem is absorbed by the roots of the plant and spreads throughout the plant’s circulatory system.

As a systemic treatment, Neem’s medicinal effect can be maintained for up to 22 days, and it will strengthen the plant’s natural immune system to resist various forms of invasive fungal infections and other diseases.

Insects that pierce the outer skin of plants or their fruits will ingest azadirachtin, but bees, butterflies, ladybirds, and other beneficial insects will never touch it.

Once inside insects such as whiteflies, the similarity between azadirachtin and natural insect hormones will induce the insects to think that it has eaten enough, causing it to starve to death by itself.

It also interferes with growth hormone, interrupts the progress of larvae and nymphs to the next growth stage, and causes sterility in adults.

Once the last egg hatches and the colony can no longer produce, the process is slow but destructive.

Clarified neem has very different effects and can be used as a foliar spray.

This foliar spray is a contact poison. Once exposed to natural ultraviolet rays, the oil will completely dissipate within 45 minutes to 1 hour.

It must be used at dusk or dawn because this is when beneficial insects are least active.

When the oil hits an insect, it can block its respiratory tract, suffocating the victim in a matter of minutes.

Because of its sensitivity to light, foliar sprays must be used more frequently.

Although it affects whiteflies, the process can be even more frustrating because many whiteflies will fly away and may not come into contact with oil.

However, when combined with soil soaking, foliar spraying is a convenient weapon that will destroy surface fungal infections that cannot be reached by systemic treatment.

Neem Oil Recipe

You may want to use both Neem soil soaking And foliar spray.

Be sure to test a small part of the plant 24 hours before the full treatment to ensure that your plant is not allergic or overly sensitive to neem.

Both require emulsion (to break the surface tension of water and allow mixing with oil), this is just Dawn dish fluid, Insecticidal soap, Or add pure castile soap in water.

As a general rule, the goal is ⅓ teaspoon per quart or 1 teaspoon per gallon, but if you prefer, you can safely use up to one teaspoon per quart.

For foliar sprays, mix 1 quart of emulsified water and 1 teaspoon of clarified neem oil (usually 1% is best) in a spray bottle and spray the infected plants thoroughly.

Be sure to find the bottom of all leaves and any cracks, but avoid the flowers (but it is safe to spray the fruit).

This treatment is given every other day for 14 days or until the infection disappears.

For soil soaking, mix 2 tablespoons of raw neem oil with 1 gallon of emulsified water, then pour 2 to 3 cups around the base of the plant.

Repeat every 21 days as needed.

You can use both as a preventive measure, spraying the foliage every 14 days and soaking the soil every 21 days.

Be sure to carry out any processing at least 24 hours before harvesting any food crops.

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