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Sweet potato weevil

Plant disease guide · TerraceFarming

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What causes Sweet potato weevil?

Adult weevils puncture the stems and roots to lay eggs. The larvae tunnel through the tubers, ruining them.

How to treat Sweet potato weevil

Mound soil high up around the base of the vines to prevent adults from reaching the developing roots.

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How to prevent Sweet potato weevil

Rotate crops; do not plant sweet potatoes in the same pot twice. Apply neem cake powder to the soil at planting time.

Crops commonly affected

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