Will Diatomaceous Earth Kill Army Worms?
Diatomaceous earth (DE) has been gaining popularity as a natural and eco-friendly alternative to chemical pesticides for controlling various pests in gardens and agricultural settings. One of the most common questions among gardeners and farmers is whether DE can effectively kill army worms, a notorious pest that can cause significant damage to crops. In this article, we will explore the effectiveness of diatomaceous earth in combating army worms and discuss the best practices for using it as a control measure.
Understanding Army Worms
Army worms, also known as fall armyworms, are caterpillars that belong to the moth family Noctuidae. They are native to the Americas and have become a significant pest in various parts of the world, including North America, Australia, and New Zealand. These caterpillars are known for their voracious appetite and ability to rapidly defoliate crops, causing significant yield losses.
How Diatomaceous Earth Works
Diatomaceous earth is a fine, soft, white powder made from the fossilized remains of diatoms, a type of algae. It contains small, sharp particles that can damage the exoskeleton of insects when they come into contact with them. When army worms or other pests come into contact with DE, the particles penetrate their exoskeletons, causing them to dehydrate and eventually die.
Effectiveness of Diatomaceous Earth Against Army Worms
Research has shown that diatomaceous earth can be an effective tool for controlling army worms. When applied properly, DE can reduce the population of these pests by causing dehydration and preventing them from feeding. However, the effectiveness of DE can vary depending on several factors, including the stage of the caterpillars, the application method, and the environmental conditions.
Best Practices for Using Diatomaceous Earth Against Army Worms
To maximize the effectiveness of diatomaceous earth against army worms, follow these best practices:
1. Apply DE when the temperature is above 60°F (15°C) to ensure that the particles can penetrate the exoskeletons of the caterpillars.
2. Apply DE during dry conditions to prevent the particles from being washed away by rain or irrigation.
3. Apply DE in a fine, even layer around the base of the plants and in areas where army worms are most likely to be found.
4. Reapply DE every 7-10 days or after heavy rain to maintain its effectiveness.
5. Use a garden sprayer to apply DE for larger areas or areas with dense vegetation.
Conclusion
In conclusion, diatomaceous earth can be an effective tool for controlling army worms when used correctly. While it may not eliminate the entire population of pests, it can significantly reduce their numbers and help protect your crops from damage. By following the best practices outlined in this article, you can maximize the effectiveness of diatomaceous earth and maintain a healthy, pest-free garden or farm.
