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Symptoms

Management

1) Remove and destroy the crop residues of the previous crop.
2) Use healthy and weevil-free planting materials.
3) Apply Eupatorium odoratum leaves as mulch @ 3 t/ha at 30 DAP.
4) Trap adult weevils using sweet potato pieces (of about 6 cm diameter) of 100 g size, kept at 5 m apart during 50 to 80 DAP at 10 days interval. Tubers may be cut and kept inside wire cages to avoid rat damage.
5) Use pheromone traps (3Z Dodecenyl 2E butenoate).