Semi-dwarf Mcintosh Apple tree - Knowledgebase Question

Fenton, Mi
Question by lcolvin1236
March 4, 2010
We planted 2 last April. When do we begin pruning and how much. What is the best time to spray for insects and any other care advise you can offer


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Answer from NGA
March 4, 2010

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MacIntosh is susceptible to the fungal disease apple scab so preventative sprays should be applied. The critical period for scab control is from the beginning of bud growth until the apples are 1/2 inch in diameter. Use an all-purpose fruit tree spray that contains Captan or Thiophanate-methyl and follow label directions for application timing. I'd wait and see if insects become a problem. If so, you can treat them, if not, you won't need to do additional spraying. Your apple tree should be trained to a central leader so remove any competing leaders and shorten the leader to encourage new branches and limbs along the upper part of the trunk. Just nip it back, leaving 3-4 buds and and that should prompt new branch growth. MacIntosh is only partially self-fruitful. For a larger harvest you'll want to plant a pollinizer such as a Red Delicious or Gala apple tree. Enjoy your new trees!

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