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Pigeon pea > Leaf wilting
Why is My Pigeon pea Wilting? Top Causes Explained
Pigeon pea, also known as Tur, Tropical Green Pea, Cajan pea, Dhal
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.

Symptom Analysis

In Pigeon pea, symptoms include drooping leaves, yellowing, and eventual browning if unresolved. Wilting usually starts at the lower leaves and progresses upward, disrupting plant growth.
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What Causes Leaf wilting Disease on Pigeon pea?

Water stress
Insufficient water availability causes the leaves to droop as the plant cannot maintain turgor pressure.
Pathogenic infections
Fungi or bacteria invade the vascular system, blocking nutrient and water flow to the aerial parts.
Environmental stress
High temperatures, excessive sunlight, or nutrient deficiencies can contribute to wilting.
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How to Treat Leaf wilting Disease on Pigeon pea?

Non pesticide
Adequate Irrigation: Ensure proper watering schedules to maintain soil moisture and support turgor in plants.

Soil health management: Improve soil fertility and structure to enhance water retention and nutrient availability.
Pesticide
Fungicides: Apply appropriate fungicides if the wilt is confirmed as fungal, focusing on early intervention.

Bactericides: Use bactericides for bacterial infections, ensuring thorough coverage of affected areas.

How to Prevent Leaf wilting on Pigeon pea?

Crop rotation
Avoid planting Pigeon pea successively in the same soil to prevent pathogen build-up.
Monitoring
Regularly check for early signs of distress to manage issues before they escalate.
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When is Leaf wilting Most Active Period on Pigeon pea?

The disease is most active during hot, dry conditions, as water stress exacerbates the wilting symptoms.

Infectivity

The pathogen can spread from plant to plant but typically requires specific conditions to thrive.

Lethality

If untreated, it can lead to significant mortality, especially in young or weak plants.

FAQs on Pigeon Pea

What are the initial signs of leaf wilting in Pigeon pea?
Early signs include slight leaf droop and mild discoloration, particularly during peak sun exposure.
Can leaf wilting be reversed in Pigeon pea?
Yes, if addressed early with proper watering and care, wilting can often be reversed.
Does leaf wilting affect the yield of Pigeon pea?
Yes, prolonged wilting can significantly reduce photosynthesis and nutrient transport, leading to lower yields.
Are there specific soil conditions that exacerbate wilting in Pigeon pea?
Poorly drained or nutrient-deficient soils can worsen wilting symptoms.
How can I differentiate between water stress and pathogenic wilting in Pigeon pea?
Pathogenic wilting often affects one side of the plant or specific branches first, whereas water stress is generally more uniform.
Is it necessary to use chemicals to treat wilting in Pigeon pea?
Chemical treatments are necessary if wilting is due to pathogenic causes; however, environmental or water-related wilting requires cultural adjustments.
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