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Plant hoppers

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1. These hoppers include, whitebacked plant hopper and brown planthopper. Both nymphs and adults of these pests suck the cell sap particularly from the leaf-sheath from July to October.

2. The crop dries up in patches. As the plants dry up, the hoppers migrate to the adjoining plants and kill them. In a few days, the area of the dry patches enlarges.

3. About one month after transplanting, a few plants in the field should be slightly tilted and tapped 2 or 3 times at the base at weekly interval.

4. If minimum 5 plant hoppers per hill are seen floating in the water, only then the crop should be treated with insecticide.

5. The plant hoppers can be controlled by spraying 40 ml Confidor 200 SL (imidacloprid) or 800 ml Ekalux/Quinguard 25 EC (quinalphos) or one litre Coroban/Dursban 20 EC (chlorpyriphos) or 560 ml Thiodan/Endocel 35 EC (endosulfan) in 100 litres of water per acre. Repeat the spray if necessary.

6. For better effectiveness, direct the spray towards the base of the plants. If the damage is noticed at hopper burn stage, treat the affected spots along with their 3-4 metre periphery immediately as these spots harbour high population of the insect.

File Courtesy: 
Punjab Agricultural University, Ludhiana
Photo Courtesy: 
Mr. Y. Kondal Rao (DRR)
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