Melon aphid disease

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Aphids usually attack the growing shoots and expanding leaves. They feed on the lower surface of the leaves and injure the plants by sucking the sap. The leaves become deformed as they expand. They may curl down at the edges, and become wrinkled or puckered. Feeding on expanded leaves (more common with green peach aphid) may result in pale stippled areas of feeding damage between the veins.

During heavy infestation, the vigour of the plant is greatly reduced, stunting growth of the plants. Leaves of such stunted plants are pale and may have yellow interveinal areas.

Both species of aphid transmit several virus diseases in sweetpotato and in other crops.

Infestation of the two aphid species could be differentiated by the production of the honeydew. M. persicae produces less honeydew than A. gossypii.

Presence among species

Pathogen Susceptible Host
Aphis gossypii Cucumis melo
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