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Sweet Potato Weevil: signs and treatment in Jamaica
The most destructive pest of sweet potatoes, ruining the tubers. PlantArmor's crop guides list sweet potato weevil as a common problem on sweet potato.
Signs to look for
- Puncture marks on stems and tubers
- Tubers are riddled with tunnels filled with frass
- Tubers emit a foul, bitter odor and taste
What to do
Crops it affects
Questions growers ask
How do I recognise sweet potato weevil?
The most destructive pest of sweet potatoes, ruining the tubers. The signs to look for: Puncture marks on stems and tubers. Tubers are riddled with tunnels filled with frass. Tubers emit a foul, bitter odor and taste.
What should I do about sweet potato weevil?
Use certified clean slips. Hill up soil deeply to prevent cracks that allow weevils to reach tubers. Pheromone trapping. Always read the product label and observe the registered rate, re-entry period and pre-harvest interval before you apply any pesticide.
Which crops are affected by sweet potato weevil in Jamaica?
PlantArmor's crop guides list sweet potato weevil as a common problem on sweet potato.
Check it in the field
PlantArmor's reference library works offline, so you can compare what you are seeing against it standing in the plot, then log the spray you use along with its re-entry and pre-harvest intervals. Free to use.
This description and treatment come from the same reference library the PlantArmor app uses in the field. Pesticide registrations and permitted uses change — always read the current product label and observe the stated rate, re-entry period and pre-harvest interval.