Live to Plant

How to Get Rid of Fungus on Pea Plant

Scroll down to article
Updated: July 8, 2023

Introduction

Pea plants are a popular choice for home gardeners due to their delicious and nutritious pods. However, these plants are susceptible to various fungal infections that can hinder their growth and yield. Fungus on pea plants can cause yellowing leaves, wilting, and even the death of the plant if left untreated. In this article, we will explore effective methods to get rid of fungus on pea plants and ensure a healthy harvest.

Identifying Fungal Infections

Before we delve into the treatment options, it is essential to identify the type of fungal infection affecting your pea plant. The most common types of fungi that attack pea plants include powdery mildew, downy mildew, and root rot.

  • Powdery Mildew: This fungus appears as a white powdery coating on the leaves, stems, and pods of the pea plant.
  • Downy Mildew: Downy mildew causes yellow spots on the upper surface of leaves and develops a grayish mold on the undersides.
  • Root Rot: Root rot affects the roots of the pea plant, causing them to become mushy and discolored.

Once you have identified the type of fungal infection, you can proceed with appropriate treatment measures.

Cultural Practices

Implementing preventive cultural practices is crucial in controlling fungal infections on pea plants. These practices focus on creating unfavorable conditions for fungal growth and boosting the plant’s overall health.

  1. Proper Plant Spacing: Adequate spacing between pea plants allows for better air circulation and reduces humidity levels, which can discourage fungal growth.

  2. Watering Techniques: Avoid overhead watering as it can promote the spread of fungal spores. Instead, water at the base of the plant using a drip irrigation system or a watering can.

  3. Mulching: Apply a layer of organic mulch around the base of the pea plant to prevent splashing of soil-borne fungi onto the foliage.

  4. Pruning and Thinning: Regularly prune off any infected leaves or stems to prevent the spread of the fungus. Additionally, thinning out overcrowded plants will improve air circulation and reduce humidity levels.

Organic Fungicidal Sprays

When cultural practices alone are not sufficient, organic fungicidal sprays can be used to control fungal infections on pea plants. These sprays are typically made from natural ingredients and are safe for both the plant and the environment.

  1. Neem Oil: Neem oil is an effective organic fungicide that can control powdery mildew and downy mildew. Dilute neem oil according to the manufacturer’s instructions and spray it onto the affected parts of the pea plant.

  2. Baking Soda Solution: A solution of baking soda can effectively treat powdery mildew on pea plants. Mix 1 tablespoon of baking soda with 1 gallon of water and add a few drops of liquid soap. Spray this solution onto the affected parts of the plant every few days until the infection subsides.

  3. Garlic Spray: Garlic has natural antifungal properties that can help combat fungal infections on pea plants. Crush a few garlic cloves and soak them in water overnight. Strain the mixture and spray it onto the infected areas of the plant.

Chemical Fungicides

In severe cases where organic methods fail to control fungal infections, chemical fungicides can be considered as a last resort. It is important to note that chemical fungicides should be used sparingly and strictly according to the instructions provided by the manufacturer.

  1. Copper-based Fungicides: Copper-based fungicides are commonly used to control fungal infections on pea plants. These fungicides work by inhibiting fungal spore germination and preventing their spread. Follow the manufacturer’s instructions for application rates and timing.

  2. Systemic Fungicides: Systemic fungicides are absorbed by the plant and provide long-lasting protection against fungal infections. However, they should be used with caution as they can also harm beneficial insects and pollinators.

Crop Rotation and Soil Management

Implementing proper crop rotation and soil management practices can help prevent the recurrence of fungal infections in pea plants.

  1. Crop Rotation: Avoid planting pea plants in the same area for consecutive seasons. Rotate them with other crops that are not susceptible to the same fungal infections.

  2. Soil Sterilization: If root rot is a recurring problem, consider sterilizing the soil before planting. Solarization, steam sterilization, or chemical sterilization methods can help eliminate fungal pathogens from the soil.

  3. Maintaining Soil Health: Ensure optimal soil drainage by adding organic matter such as compost or well-rotted manure. Healthy soil promotes strong plant growth and reduces the risk of fungal infections.

Conclusion

Fungal infections can significantly affect the growth and productivity of pea plants. By implementing preventive cultural practices, using organic fungicidal sprays, considering chemical fungicides as a last resort, and practicing proper crop rotation and soil management, you can effectively get rid of fungus on pea plants. With these measures in place, you can enjoy a bountiful harvest of delicious peas while ensuring the overall health and vitality of your garden.

Related Posts:

Pea Plant