Tuberous begonia plants are known for their beautiful flowers and lush foliage, making them a popular choice for gardeners. However, these plants can be prone to scale infestations, which can damage the leaves and flowers and weaken the plant. In this article, we will discuss how to get rid of scales on tuberous begonia plants.
Scales are small, oval-shaped insects that attach themselves to the leaves and stems of plants. They feed on the sap of the plant and can cause damage to the foliage and flowers. Scales are usually brown, black or gray in color and can be difficult to see with the naked eye.
The first sign of a scale infestation is usually visible on the leaves of the plant. The leaves may appear discolored or have a yellowish tint. As the infestation progresses, you may notice a sticky substance on the leaves or stems of the plant, which is known as honeydew. This sticky substance attracts ants and other insects to the plant.
There are several methods you can use to get rid of scales on tuberous begonia plants:
Neem oil is a natural insecticide that can be effective against scales. Mix one tablespoon of neem oil with one gallon of water and spray the solution onto the leaves and stems of the plant. Repeat this process every seven days until the scales are gone.
Insecticidal soap is another natural option that can be effective against scales. Mix two tablespoons of insecticidal soap with one gallon of water and spray the solution onto the leaves and stems of the plant. Repeat this process every seven days until the scales are gone.
Rubbing alcohol can be effective against scales, but it can also damage the plant if not used correctly. Mix one part rubbing alcohol with three parts water and apply the solution to the leaves and stems of the plant using a cotton swab. Be sure to test a small area of the plant first to make sure it does not cause any damage.
Horticultural oil is a petroleum-based product that can be effective against scales. Mix one tablespoon of horticultural oil with one gallon of water and spray the solution onto the leaves and stems of the plant. Repeat this process every seven days until the scales are gone.
Preventing scale infestations is key to keeping your tuberous begonia plants healthy. Here are some prevention tips you can follow:
A: Scales are not harmful to humans, but they can attract other insects like ants and wasps, which can be a nuisance.
A: Chemical insecticides can be effective against scales but should be used as a last resort as they can harm beneficial insects and pollinators.
A: The length of time it takes to get rid of scales depends on the severity of the infestation and the method used to treat it. It can take several weeks or even months to completely eradicate scales from a plant.