Plant guide:ðŸĨ KiwiPest guide:🐛 Scale Insect
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Pests

Scale Insects on Kiwi Vines

Commonly affects: Actinidia deliciosa, A. chinensis (Kiwi)

Small, immobile brown or grey bumps attach to canes and leaf undersides, secreting honeydew and weakening the vine over time.

Potential Causes

  1. 1Scale insects establishing on woody canes and leaf undersides
  2. 2Ants farming scale colonies for honeydew
  3. 3Stressed or crowded vines being more susceptible

Solution Steps

  1. 1Apply horticultural oil during the dormant season to smother overwintering scale
  2. 2Scrape off visible colonies by hand for light infestations
  3. 3Prune out heavily infested canes
  4. 4Introduce parasitic wasps for biological control in persistent cases

Prevention Tip

A dormant-season horticultural oil spray is the most effective single treatment for scale on woody kiwi canes.