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Two questions; I have an dwarf Honey Crisp apple tree that is about 5 years old. Last year it had a dozen apples. I didn't disturb the fruit spurs when I picked the fruit. This year there were no blossoms on the tree. I didn't prune it at all. What can I do to help it produce every year? Second question; I have peach borers in the main branches of my nectarine tree. The tree seems healthy other than the borers. What can I do about them at this point? Will it help to dig them out? Will it help to spray? Will they winter over to next year?
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Apples tend to alternate in their bearing – one year on, one year off. To offset this you need to thin your apples in the spring when they are about the size of a dime. Thin the fruit one per cluster or about every 5-6”. This will help the tree reserve some energy for next years crop. As for your nectarine, normally the greater peach tree borer will be evident as small pencil size holes often with sawdust near the base of the tree (usually 1’ from the ground) For spray information there is a very helpful website, http://utahpests.usu.edu. This website contains spray information for fruit trees along with products and timing. It is updated weekly throughout the season. Let me know if you have any further questions.
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