Updated: February 28, 2023

Cherry tomatoes are one of the most popular types of tomatoes to grow in home gardens. They are easy to grow and produce an abundance of delicious fruit. However, nematodes can be a major problem for cherry tomato plants, causing stunted growth, yellowing leaves, and reduced fruit production. In this article, we will discuss how to get rid of nematodes on cherry tomato plants.

What are Nematodes?

Nematodes are microscopic worms that live in the soil. There are many different types of nematodes, some of which are beneficial to plants, while others are harmful. Plant-parasitic nematodes feed on the roots of plants, causing damage and reducing plant growth.

Signs of Nematode Infestation

The signs of nematode infestation on cherry tomato plants include stunted growth, yellowing leaves, reduced fruit production, and root galls or knots. If you suspect that your cherry tomato plant has nematodes, you can dig up a small section of the root system and look for the presence of small white worms.

How to Get Rid of Nematodes

There are several methods for getting rid of nematodes on cherry tomato plants. Here are some effective ways to control nematode populations:

Crop Rotation

One of the most effective ways to control nematode populations is through crop rotation. Nematodes tend to be host-specific, so rotating crops can help break the cycle of infestation. If you have a cherry tomato plant that is infected with nematodes, do not plant tomatoes or other susceptible crops in that area for at least two years.

Soil Solarization

Soil solarization is a method that uses heat to kill nematodes and other soil-borne pests. To solarize your soil, moisten it thoroughly and cover it with clear plastic. Leave the plastic in place for 4-6 weeks during the hottest part of the summer. This will raise the soil temperature to a level that will kill nematodes and other pests.

Cover Crops

Cover crops can also help control nematode populations. Planting cover crops, such as marigolds or mustard greens, can help reduce nematode populations by releasing compounds that repel or kill nematodes. These cover crops should be planted in the fall and turned under in the spring.

Nematode-Resistant Varieties

Some cherry tomato varieties are resistant to nematodes. If you are planning to grow cherry tomatoes, look for varieties that are labeled as resistant to nematodes. These varieties have been bred to be less susceptible to nematode infestation.

FAQ

Can nematodes be eradicated completely?

It can be difficult to completely eradicate nematodes from the soil once they have become established. However, using a combination of methods, such as crop rotation and soil solarization, can help reduce nematode populations and prevent future infestations.

How do I know if my cherry tomato plant has nematodes?

Signs of nematode infestation on cherry tomato plants include stunted growth, yellowing leaves, reduced fruit production, and root galls or knots. If you suspect that your cherry tomato plant has nematodes, you can dig up a small section of the root system and look for the presence of small white worms.

Are there any organic methods for controlling nematodes?

Yes, there are several organic methods for controlling nematodes on cherry tomato plants. These include crop rotation, cover crops, and using nematode-resistant varieties. Additionally, adding compost or other organic matter to the soil can help promote healthy plant growth and reduce nematode populations.