Marigold Plantation – Natural Way to Control Nematodes in Pomegranate
Nematodes are one of the major hidden enemies of pomegranate orchards. These microscopic worms attack the roots, causing galls, weak growth, yellowing leaves, and reduced fruit yield. Chemical control is costly and harmful to soil health. A simple and natural solution is planting marigold (Tagetes spp.) in orchards.
How Marigold Helps
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Marigold roots release natural chemicals (thiophenes) into the soil that are toxic to nematodes.
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Nematodes get attracted to marigold roots but cannot complete their life cycle, reducing their population.
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Marigold adds organic matter to soil and improves microbial activity when incorporated as green manure.
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Continuous planting of marigold between pomegranate rows reduces nematode infestation year after year.
Practical Tips
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Plant marigold before or along with pomegranate plantation.
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Maintain spacing in between rows or use it as a border crop.
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After 60–70 days, uproot and mix marigold plants into the soil to maximize nematicidal effect.
Benefits
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Reduces nematode damage naturally.
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Improves root health and plant vigor.
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Reduces dependency on chemical nematicides.
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Cost-effective and eco-friendly method.
