Whitefly Control

From: Plant Protection : Biological Controls

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Whitefly Control

Available from Harrod Horticultural click for more info, price & to buy

Whitefly Control uses a tiny parasitic wasp (encarsia formosa) and has been used to control whitefly from 1926; supplied as pupae on cards which are simply hung in a shady position throughout the crop, each application of encarsia is supplied on 25 hanging cards with approx 60 pupae on each card making a total of 1500 pupae.

Whitefly Control will be most effective when temperatures are at least 18 degrees C during the day and 10 degrees C at night.

  • Open Whitefly Control box in greenhouse
  • Always handle cards by top to prevent damaging scales in circle
  • When using in tomato and cucumber crops, hang the cards in a shady position among the foliage around 1m below the top of the plant - and space the cards evenly
  • For pot plants, again evenly place the cards in a shady position level with the lower leaves but not in contact with the soil
  • Regular applications will keep whitefly under control
  • Use within 18 hours of receipt and keep outer box in cool place (between 5-10 degrees C)
  • Never leave box, or place cards, in direct sunlight
  • Remove sticky traps before introducing predator

Available from Harrod Horticultural click for more info, price & to buy

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