| How bad is the damage from the psylla if you do nothing? Do you still get a good crop of fruit? Plants can tolerate a certain amount of pest damage, compensating for some loss of foliage by increased photosynthetic efficiency of the remaining, healthy foliage. Lee Reich, PhD Books by Lee Reich: The Pruning Book Weedless Gardening Uncommon Fruits for Every Garden A Northeast Gardener's Year On Jun 5, 2007, at 3:38 PM, Scott Smith wrote:
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