Updated: June 29, 2023

Potato plants are a common addition to many home gardens. They are relatively easy to grow and provide a bountiful harvest. However, one common problem that potato growers face is the presence of slaters, also known as woodlice or pill bugs. These small crustaceans can cause damage to the potato plants, resulting in reduced yields. In this article, we will explore effective methods to get rid of slaters on potato plants.

Understanding Slaters and their Behavior

Slaters are small, segmented creatures that belong to the crustacean family. They are commonly found in damp and dark environments such as under rocks, logs, or mulch. Slaters feed on decaying organic matter and are attracted to moist conditions. They are nocturnal creatures and hide during the day.

When it comes to potato plants, slaters can become a nuisance as they nibble on the leaves, stems, and tubers. While they are not known to directly cause diseases, their feeding habits can weaken the plant and make it more susceptible to other pests and diseases.

Natural Methods for Controlling Slaters

  1. Remove hiding spots: Start by removing any potential hiding spots for slaters around your potato plants. Clear away rocks, logs, and other debris where they may find shelter during the day.
  2. Improve drainage: Slaters thrive in damp conditions, so making sure your soil has proper drainage is essential. Avoid overwatering your potato plants and consider adding compost or organic matter to improve soil structure.
  3. Mulch with dry materials: Slaters are attracted to moist environments, so using dry mulching materials such as straw or wood chips can help deter them from your potato plants.
  4. Introduce predators: Certain natural predators like ground beetles and centipedes feed on slaters. Encourage their presence in your garden by providing suitable habitats such as rocks or logs.
  5. Use diatomaceous earth: Diatomaceous earth is a natural powder made from the fossilized remains of diatoms. Sprinkling it around the base of your potato plants creates a barrier that slaters cannot crawl over due to its abrasive texture.

Chemical Methods for Controlling Slaters

If natural methods prove unsuccessful, you may need to resort to chemical control options. However, it is important to use such methods as a last resort and with caution, as they can harm beneficial insects and pollinators. Always follow the instructions provided by the manufacturer when using any chemical product.

  1. Insecticidal soaps: Insecticidal soaps are a safe and effective option for controlling slaters on potato plants. These soaps work by suffocating the pests and are less harmful to beneficial insects. Apply the soap directly onto the slaters, ensuring complete coverage.
  2. Chemical pesticides: Chemical pesticides containing ingredients like pyrethrin or carbaryl can also be used to control slaters. However, these should be used sparingly and only if necessary. Apply according to the instructions on the product label, taking care to minimize contact with other beneficial insects.

Prevention Tips

Preventing slater infestations is always better than having to deal with them later. Here are some preventive measures you can take to keep slaters away from your potato plants:

  1. Rotate crops: Practicing crop rotation helps break the life cycle of many pests, including slaters. Avoid planting potatoes in the same location year after year.
  2. Remove plant debris: Clearing away decaying plant material and debris from your garden beds helps eliminate potential food sources for slaters.
  3. Monitor moisture levels: Regularly check the moisture levels in your garden beds and adjust watering accordingly. Avoid creating excessively moist conditions that attract slaters.
  4. Maintain good garden hygiene: Keep your garden clean and tidy, removing any fallen leaves, weeds, or other debris that can provide hiding spots for slaters.
  5. Regular inspections: Regularly inspect your potato plants for signs of slaters or other pests. Early detection can help prevent infestations from spreading.

In conclusion, slaters can be a nuisance for potato growers, but with proper preventive measures and effective control methods, you can keep their populations in check. Start by understanding their behavior and implementing natural methods to deter them. If necessary, consider using chemical options as a last resort. By following the tips mentioned in this article, you can protect your potato plants from slater damage and ensure a successful harvest.