Nature of damage:
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Nymphs cause damage by sucking the cell sap.
Yellow streaks appear on the attacked leaves.
The general vitality of the plants is reduced and the quality and quantity of jaggery produced is poor.
Nymphs secrete honey dew like substance on which black sooty mould develops.
The infestation is favored by poor condition of the crop. Water logged field and Soil deficient in nitrogen and alkaline soils.

Management:
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Mechanical cum Biological control of white fly: 10 to 20 trap/ha & leaves transferred at 20 to 25 days.
Spraying the crop with dichlorvos 76% EC @ 0.03% or acephate 75% SP @ 0.05% or quialphos 25% EC @ 0.03 or triazophos 40% EC @ 0.05%