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Numerous insects attack eggplant; only
the most significant pests are mentioned in this tutorial. With
the exception of the Fruit and Shoot Borer, these insects are
controlled by weekly applications of insecticides during periods
of infestation.
Shown are photos of the pests. Click on
each pest for a close-up and photos of the damage it causes. |
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Fruit and shoot borer
is a very destructive in S and SE Asia. The larva bores inside
the terminal shoots, resulting in the withering of the shoots.
It also bores into the young fruit and feeds inside which makes
the fruit unmarketable. Several insecticides control this borer,
but numerous sprays are needed. Rotation of crops and the prompt
destruction of damaged shoots on a community-wide basis are recommended
as part of an overall IPM strategy. |
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Thrips attack
eggplant mostly during the dry season. They cause browning of
leaves, especially on the lower leaf surface, and the scarring
of fruit. |
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Leafhoppers
feed mainly on the underside of eggplant leaves, causing yellow
patches on the foliage. Certain species also transmit mycoplasma-like
diseases, such as little leaf disease. Fruit setting is adversely
affected by the infestation. |
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Aphids feed
on the juices within leaves and stems. Black sooty mold develops
on the sugary excretions of the aphid. This sooty mold covers
the plants, thereby reducing photosynthesis and weakening the
plant. Aphids occur in the cool dry season. |
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Epilachna beetles
feed voraciously on the leaves and tender parts of eggplant.
They cause serious damage during their larval stage and when
they appear in large numbers. As a result of their feeding, skeletonized
patches develop on leaves. Later, the leaves dry away. |
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