Updated: June 26, 2022

Edamame is a popular plant that is widely grown for its delicious and healthy beans. However, like other plants, edamame is susceptible to fungal infections that can cause significant damage to the plant if not controlled early enough. Fungal infections can lead to stunted growth, yellowing leaves, and ultimately, the death of the plant. In this article, we will discuss how to get rid of fungus on edamame plants and prevent future infections.

Identify the Problem

The first step in getting rid of fungus on edamame plants is to identify the problem. There are several types of fungi that can infect edamame plants, including powdery mildew, downy mildew, and root rot. Each type of fungus presents different symptoms, and it is essential to identify which fungus is causing the problem before taking any action.

Powdery mildew appears as a white or grayish powder on the leaves and stems of the plant. Downy mildew appears as yellow spots on the leaves, which eventually turn brown. Root rot causes the roots of the plant to turn brown and become mushy.

Natural Remedies

If you notice fungal infection on your edamame plants, there are several natural remedies you can try before resorting to chemical fungicides.

Neem Oil

Neem oil is a natural oil that is effective in controlling fungal infections. Mix one tablespoon of neem oil with one gallon of water and spray the mixture on the infected plant. Repeat this process every seven days until the fungus disappears.

Baking Soda Solution

Baking soda solution is another effective natural remedy for fungal infections. Mix one tablespoon of baking soda with one gallon of water and spray it on the infected plant. Repeat this process every seven days until you see an improvement.

Garlic Spray

Garlic spray is a natural fungicide that is effective in controlling fungal infections. Crush 10 to 15 cloves of garlic and mix them with one quart of water. Let the mixture sit for a day, strain it, and spray it on the infected plant. Repeat this process every seven days.

Chemical Fungicides

If natural remedies do not work, you may need to resort to chemical fungicides. However, it is essential to follow the instructions carefully and wear protective gear when using these products.

Copper Fungicides

Copper fungicides are effective in controlling fungal infections on edamame plants. Follow the instructions on the product label carefully and apply the product as directed.

Chlorothalonil Fungicides

Chlorothalonil fungicides are also effective in controlling fungal infections on edamame plants. Follow the instructions on the product label carefully and apply the product as directed.

Prevention

Prevention is always better than cure when it comes to fungal infections in edamame plants. Here are some tips to prevent fungal infections:

  • Avoid overwatering your edamame plants, as excess moisture can lead to fungal growth.
  • Keep your plants well-spaced to allow for proper air circulation.
  • Remove any infected leaves or stems immediately to prevent the spread of the fungus.
  • Use disease-resistant varieties of edamame plants.

FAQ

Can I eat edamame beans from an infected plant?

It is not recommended to eat edamame beans from an infected plant, as they may be contaminated with fungal spores.

How often should I apply fungicides?

Follow the instructions on the product label carefully and apply fungicides as directed. Generally, you should apply fungicides every seven to ten days until you see an improvement.

How can I tell if my edamame plant has a fungal infection?

Look for symptoms such as yellowing leaves, stunted growth, and white or grayish powder on the leaves and stems of the plant. If you suspect a fungal infection, inspect the roots of the plant for brown, mushy areas.