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How to Get Rid of Lerps on Green Onion Plant

Updated: June 7, 2022

Green onion plants, also known as scallions, are a popular ingredient in many dishes. They are easy to grow and require minimal care. However, one problem that can plague green onion plants is the presence of lerps. Lerps are small, white, waxy deposits that form on the leaves of green onion plants. They are caused by sap-sucking insects known as psyllids. In this article, we will discuss how to get rid of lerps on green onion plants.

What are Lerps?

As mentioned above, lerps are small, white, waxy deposits that form on the leaves of green onion plants. They are caused by sap-sucking insects known as psyllids. Psyllids feed on the sap of the plant and excrete a sugary substance that forms the lerp. Lerps can be unsightly and can also lead to stunted growth in the plant.

How to Get Rid of Lerps

Fortunately, there are several methods that can be used to get rid of lerps on green onion plants. These include:

1. Pruning

One effective method for getting rid of lerps is pruning affected leaves. Use a pair of clean scissors or pruning shears to cut off any leaves that have visible lerps. Be sure to dispose of the affected leaves in the trash and not in the compost pile.

2. Insecticidal Soap

Insecticidal soap is another effective method for controlling lerps. It works by suffocating the psyllids and breaking down the waxy coating on the lerps. To use insecticidal soap, mix it according to the instructions on the label and spray it directly onto the affected leaves.

3. Neem Oil

Neem oil is a natural insecticide that is effective against psyllids. It works by disrupting the psyllids’ hormonal balance and preventing them from reproducing. To use neem oil, mix it according to the instructions on the label and spray it directly onto the affected leaves.

4. Horticultural Oil

Horticultural oil is another natural insecticide that can be used to control lerps. It works by smothering the psyllids and breaking down the waxy coating on the lerps. To use horticultural oil, mix it according to the instructions on the label and spray it directly onto the affected leaves.

Preventing Lerps

Preventing lerps is key to keeping your green onion plants healthy. Here are some tips for preventing lerps:

  • Keep a close eye on your plants and remove any affected leaves as soon as you notice them.
  • Use a sticky trap to catch psyllids before they can lay eggs on your plants.
  • Avoid over-fertilizing your plants, as this can attract psyllids.
  • Water your plants regularly to prevent stress, which can make them more susceptible to psyllid infestations.

FAQ

Are lerps harmful to humans?

No, lerps are not harmful to humans. They are simply unsightly and can lead to stunted growth in green onion plants.

Can I use vinegar to get rid of lerps?

While vinegar may help remove lerps, it is not a recommended method for controlling psyllids. Vinegar can damage the leaves of your green onion plants and may not be effective against psyllids.

Can I eat green onions that have had lerps?

Yes, you can still eat green onions that have had lerps. However, be sure to thoroughly wash the leaves before consuming them.

In conclusion, getting rid of lerps on green onion plants requires a combination of pruning and using insecticides such as insecticidal soap, neem oil, and horticultural oil. Preventing lerps is also important to keep your green onion plants healthy. By following the tips outlined in this article, you can effectively control lerps and keep your green onion plants thriving.