Monday, April 7, 2008

Aphids

Feed on plant saps reduce vigor size and field feed under leaves, extract honey dew, lead to growth of black sooty vector plant virus e.g. Cucumber mosaic virus.
Chemical control – Phimetrozine
Biological control- using natural enemies such as lady beetles, wasps
Cultural – Use resistant cultivars, avoid barriers like hedgerows or woodlots which encourage aphids falling in field.

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