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Horticultural crops :: Vegetables:: Gourds

Mosaic: PRSV/CMV

Symptoms:

  • A virus distributed world wide, affecting most cucurbits but rarely affecting watermelon.
  • New growth is cupped downward, and leaves are severely mottled with alternating light green and dark green patches.
  • Plants are stunted, and fruits are covered with bumpy protrusions. Severely affected cucumber fruit may be almost entirely white.

Management

  • The virus is readily transferred by aphids and survives on a wide variety of plants.
  • Varietal resistance is the primary management tool, and eliminating weeds and infected perennial ornamentals that may harbor the virus is critical.
  • Spray with any one of the systemic insecticide
 

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