1. Physical and Mechanical Practices in
Potato

2. Erecting m long branches of neem plants in white grub infested areas before sunset during the peak period of activity (April - June) to attract and destroy the adults of white grubs
Fig. White grub adults (scarab beetles) on neem tree
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3. Shaking the twigs of the preferred host plants like neem, guava, jamun, ber etc. of adults of white grubs and subsequent collection and destruction of the fallen beetles by dipping in kerosinized jar or by burning
Fig. Collection of scarab beetles from host trees
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4. Hand collection and destruction of eggs, larvae and pupae of white grubs and cut worms after ploughing the soil
Fig. Hand collection of white grubs
Source: AINP on white grubs , Department of Entomology
Assam Agricultural University, Jorhat

5. Hand collection of snails and slugs in a bucket containing salt water just two hours after sunset
Fig. Hand collection of slugs and snails
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6. Source http://www.google.com
Use of saw dust, rice bran, wood ash as protective barrier to snails and slugs
Saw dust
Wood ash
Rice bran
Fig. Saw dust Fig. Wood ash Fig. Rice bran
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7. Repeated ploughing of soil to destroy the paths and caves of mole crickets
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8. Collection of Epilachna beetles and green leaf hoppers by hand nets or sweep nets to reduce the intensity of infestation
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9. Use of substances such as saw dusts, ashes or crushed eggshells placed around the base of plant may trap and subsequently kill the cutworm larvae by abrasive action
Against cutworm larvae, use bait trap containing gram bran (1 kg), jaggary ( 100 gm), yeast (1gm) and chlorpyriphos (1 ml) at the time of 1st and 2nd earthing up

10. Covering of potato tubers with a 5 mm layer of dry sand, ash, rice husk or saw dust also lowers tuber moth infestation
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11. Keep the potato tubers in cold storage to reduce tuber moth infestation
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12. Use of light trap to collect and destroy adults of white grub, tuber moth, cut worm moth and mole cricket etc.
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13. Use of pitfall trap to collect and destroy mole crickets, field crickets and cutworm larvae
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14. Use of Yellow pan trap, sticky trap to attract and kill winged aphids, leaf hoppers, mites etc. Locally available empty yellow coloured tins coated with ordinary grease on outer surface may also be used
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