Q: A friend of ours uses malathion on his apple trees, once before flowers appear and then once again after the fruit appears. He claims never to have apple maggots. What is your opinion of the use of this pesticide to control apple maggots?
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Gerald is the author of Just Ask Jerry. E-mail your questions to filipskigerald@gmail.com. To read previous columns, go to edmontonjournal.com/filipski
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