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Lentil > Root rot
Why Does Lentil Suffer From Root Rot?
Lentil, also known as Lentille
Root rot in Lentil leads to severe root degradation, which diminishes the plant's ability to absorb nutrients and water, potentially leading to plant death. Common in poorly drained soils, this disease is greatly influenced by environmental conditions.

Symptom Analysis

Symptoms include wilting, yellowing of leaves, and stunted growth. Affected Lentil plants display black or brown softened roots, often with a decayed appearance, particularly noticeable during the flowering and pod formation stages.
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What Causes Root rot Disease on Lentil?

Fungi
Several fungi such as Fusarium spp., Pythium spp., and Rhizoctonia solani are primary culprits causing root rot in Lentil.
Soil conditions
Excessively moist conditions and poor drainage facilitate fungal growth, exacerbating root rot issues.
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How to Treat Root rot Disease on Lentil?

Non pesticide
Improve drainage: Enhance soil structure and drainage to reduce waterlogging and decrease fungal proliferation.

Crop rotation: Rotate Lentil with non-host crops such as cereals to reduce the soil-borne spore load.
Pesticide
Fungicide application: Apply soil-specific fungicides that target root-rot causing pathogens before planting.

How to Prevent Root rot on Lentil?

Soil testing
Regularly test soil for pH and pathogens to anticipate and mitigate root rot risks.
Use resistant varieties
Plant varieties of Lentil that are genetically resistant to root rot.
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When is Root rot Most Active Period on Lentil?

Root rot is most active in wet, cool conditions, particularly when soil drainage is inadequate and roots are more vulnerable.

Infectivity

Spores can spread through water and soil but require specific conditions to thrive.

Lethality

If not managed early, it can lead to significant plant loss and crop failure.

FAQs on Lentil

How does root rot affect Lentil yield?
Root rot significantly reduces yield by impairing root function, leading to poor nutrient uptake and plant vigor.
Can root rot be cured after it is visible in Lentil?
Once symptoms are visible, control is difficult. Focus shifts to preventing spread and adopting management strategies for future crops.
Is it safe to replant Lentil in a field previously affected by root rot?
Replanting Lentil in a previously infested field is risky without addressing soil conditions and ensuring adequate disease management.
What soil conditions promote root rot in Lentil?
Poorly drained, waterlogged soils with high organic material content tend to promote the conditions that lead to root rot.
How often should fungicides be applied to manage root rot in Lentil?
Fungicide application should be based on the specific product's guidelines and local extension service recommendations, typically before planting and during sensitive growth stages.
Can microbial soil amendments help prevent root rot in Lentil?
Beneficial microbial amendments can improve soil health and help suppress the pathogen population responsible for root rot.
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