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That is exactly what I am wondering. Do these apples get attacked by codling when they are almost mature or is the grub lurking from early summer? I know the large hole appears when the grub emerges. This year I put a trap up but in the wrong place, in an apple tree and over half the apples on that tree have been affected. I am not using a trap again, it was rubbishLast year I sprayed, only once and had perfect apples on all my trees, the late maturing ones, like bramleys were picked in early october and kept for quite a few weeks
To combat codling moth, all the expert advice is to spray around the third week in June well after blossom has set.
Quote from: Beersmith on August 10, 2017, 23:19:29To combat codling moth, all the expert advice is to spray around the third week in June well after blossom has set. Are the experts saying that the full month's worth of eggs and maggots are exposed outside the fruit long enough for them all to be killed by one hit?