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Codling Moth on 6 old trees

We have 5 old apple trees and one old pear tree, all 10 to 15 feet high. They have always been good croppers and are professionally pruned every 2 years. In recent years, we have developed a huge problem with Codling Moth. We have used the traps each of the past 3 seasons. The first year 50% of the crop were affected. Last year the percentage was much lower, but it was an enormous crop. This year, the apple crop is much smaller, and it looks like a high percentage are affected again. Some pears are always affected. I understand that most garden insect sprays have been banned. I agree with this, but clearly the Pheromone based glue traps are not working. Any suggestions? bindweed, Limerick, Co Limerick Posted: 29/08/2017

The traps only catch some of the male moths and fertilised females can go on laying eggs.

You need to spray at blossom fall and two weeks later with a garden insecticide, organic if you wish, such as pyrethrum. 

 

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