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Predalure

$6.50

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Description

When a plant is damaged by an insect pest, such as a caterpillar, it does not just sit there – the wounding leads to the production of volatile chemicals. These have three functions:

1) they ‘switch on’ chemical defences in the damaged plant;

2) they send a signal to other plants that damage is occurring in their immediate environment; and

3) the same signal tells beneficial insects such as ladybirds that food for them (i.e. the pest) is available to them upwind.

Of the chemicals involved, a key one is methyl salicylate which, incidentally, is a key ingredient of some products that we use to ease muscle pain, such as after sporting activities. Use the sachet provided to attach to a tree or a stick in your vegetable plot and observe good insects being attracted to that location.

Additional information

Weight .005 kg
Dimensions 145 × 100 × 2 mm

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