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Nail gall

By Gardeners' World on 18/10/2011 15:38:24

appear in summer on the upper surface of lime tree leaves. These growths, or galls, may be yellowish green or red. lime treesn/aMore common garden pests affecting fruit treesApple sawflyCurrant blister aphidsPear leaf blister miteAphids


Reversion

By Gardeners' World on 19/10/2011 14:00:12

might try to revert to the original, all-green leaves.The only solution is to cut back any all-green growth to leave just the desired variegated foliage.any variegated plantall year roundCommon problems affecting plantsMagnesium deficiencyRustBlack spot


Acer tar spot

By Gardeners' World on 10/10/2011 11:32:51

, but the health of the tree won't suffer.An outbreak of shiny black blotches, edged in a ring of yellow, disfigure acer leaves in early summer. This can lead them to fall prematurely.Rake up and dispose of all fallen infected leaves. As a preventative measure use


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