Grapes Crop Management and Diagnosis

Pest management

Flea beetle

Grape mealy bug

 

Thrips : (Rhipiphorothrips cruentatus Hood)

Symptoms

•    Generally will infest from bud sprouting to fruit set stage.

 •    Small blotches of either yellow or white in colour appear on leaves.

  

control measures

Spray Dimethoate 0.06% at late flowering followed by Acephate 0.1125% to control the pest. (b) Scirtothrips dorsalis has a similar occurrence and mode of damage as the above species, and controlled by two sprays of Monocrotophos 0.05% or Acephate 0.1125% at 10 days interval.