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SERIES 32 | Episode 06
Many garden plants can be attacked by scale (Family Diaspididae), which are sap sucking insects that produce a sugary secretion that is farmed by ants.
Ants will move the scale insects to different fruit and plants.
Any uneaten sugar falls and can cause sooty mould to grow on plant leaves.
The solution lies in breaking the relationship between the ants and the scale.
Jerry does this by putting sticky horticultural glue on a tree trunk to stop the ants reaching the scale. He applies the glue onto some masking tape wound around the trunk to avoid the glue coming into direct contact with the bark.
The scale population should gradually decline, and you can speed this up by treating it with eco oil, but removing the ants will dramatically slow their spread.