How to Treat Spots Disease on Pigeon pea?

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English

English

繁體中文

日本語

Español

Français

Deutsch

Pусский

Português

Italiano

한국어

Nederlands

العربية

Svenska

Polskie

ภาษาไทย

Bahasa Melayu

Bahasa Indonesia

Symptom Analysis

In Pigeon pea, the main symptoms include small, dark spots on leaves which may coalesce into larger lesions, yellowing around the spots, and defoliation during severe infections.

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What Causes Spots Disease on Pigeon pea?

Fungal Pathogens

The disease is caused by a complex of fungi, predominantly Cercospora spp., that thrive in warm, humid conditions.

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How to Treat Spots Disease on Pigeon pea?

Non pesticide

Crop Rotation: Rotating Pigeon pea with non-host crops can reduce the soil-borne spore load.

Plant Debris Management: Removing and destroying infected plant debris minimizes the spread of the fungus.

Pesticide

Fungicidal Sprays: Applying copper-based fungicides or other recommended fungicides can effectively control the spread of the disease.

How to Prevent Spots on Pigeon pea?

Resistant Varieties

Planting disease-resistant varieties of Pigeon pea can drastically reduce the incidence of Spots' disease.

Proper Spacing

Ensuring adequate spacing between plants to improve air circulation can help lower humidity around the plants.

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When is Spots Most Active Period on Pigeon pea?

Spots' disease is most active during the rainy season due to high humidity and moist conditions which encourage fungal growth.

Infectivity

Moderately

It spreads through spores and can infect adjacent plants under suitable conditions.

Lethality

Low

Usually not lethal but can significantly reduce yield and plant vigor.

FAQs on Pigeon Pea

What are the first visible signs of Spots' disease in Pigeon pea?

The first signs include small, dark spots appearing on leaves, often surrounded by a yellowish area.

How quickly can Spots' disease spread in a Pigeon pea field?

Under optimal conditions, it can spread quickly across a field, especially during the humid, rainy season.

Can Spots' disease kill Pigeon pea?

It is usually not lethal but can severely affect plant health and reduce yields.

Is there a chemical treatment for Spots' disease in Pigeon pea?

Yes, applying copper-based or specific recommended fungicides can control the disease.

How can farmers prevent the occurrence of Spots' disease?

Using resistant varieties, managing plant debris, and ensuring proper plant spacing are effective preventive measures.

Can the fungus causing Spots' disease in Pigeon pea infect other plant species?

Some fungi like Cercospora spp. can infect other plants, but disease management practices generally focus on specific host crops.

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Other Common Problems About Pigeon pea

Wounds in Pigeon pea involve physical damage that can lead to secondary infections affecting growth and yield. Proper care and management are essential to minimize impact and encourage plant recovery.

Yellow edges is a disease affecting Pigeon pea that leads to yellowing of leaf margins and potential yield reduction. Proper management is crucial for maintaining plant health and crop productivity.

Leaf wilting in Pigeon pea primarily affects the plant’s ability to transpire and photosynthesize effectively, leading to reduced growth and yield. This condition can signify underlying issues ranging from water stress to infections.

Root rot in Pigeon pea severely impacts growth, often leading to plant death if untreated. The disease stunts growth, causes wilting, and results in yellowing and rotting of roots.

Root malformation

Root malformation in Pigeon pea generally involves distorted or abnormal root growth which affects nutrient uptake and plant stability, leading to stunted growth and possibly reduced yields.

Fruit damage in Pigeon pea primarily affects pod development and seed quality, causing significant yield losses. This disease manifests as deformations and discolorations on the pods, severely impairing crop viability and market value.

Dark blotch is a severe fungal disease affecting Pigeon pea, causing yield reduction and plant weakening. Early detection and management are crucial for minimizing damage.

Black mold significantly impacts Pigeon pea, causing reduced vigor, yield losses, and quality degradation. It thrives in humid environments and can rapidly spread if not managed properly.

Non-base branch withering

Non-base branch withering in Pigeon pea primarily results in the dying of branches from their bases, significantly impacting the plant's productivity and survival. The disease disrupts the plant's vascular system, leading to stunted growth and premature leaf drop.

Whole leaf withering

Whole leaf withering is a critical disease affecting Pigeon pea, causing significant leaf droop, discoloration, and potentially plant death, severely impacting yield and quality of the crops.

Leaf yellowing is a notable disease impacting Pigeon pea, leading to diminished growth and lower yield. It primarily manifests through yellowing leaves, potentially stemming from nutrient deficiencies, water stress, or infections.

Stem rot in Pigeon pea is a significant disease causing extensive damage and yield loss. Identified by soft rot on stems and foliage die-back, this disease severely impacts growth and productivity.

Leafminer stripe

Leafminer stripe, impacting Pigeon pea, presents as distinct trails or burrows in leaves caused by larvae, adversely affecting photosynthesis and plant health. This disease can significantly reduce crop yields.

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