Abstract
Results of studies on a broad range of plant material (20 cultivars in 7 genera) suggest that most, if not all, landscape tree culttvars that have been successfully commercially propagated by budding or grafting are strong wound compartmentalizers. All of the cultivars tested with chisel wounds on mature trees or young plants exhibited strong wound compartmentalization that prevented wood discoloration from occurring in tissue internal to the wound zone. These included red maple cultivars ‘Armstrong,’ ‘Autumn Flame,’ ‘Bowhall,’ ‘Gerling,’ ‘October Glory,’ ‘Red Sunset,’ ‘Scarlet Sentinel,’ ‘Tilford,’ ‘V.J. Drake,’ and ‘Wageri’; Norway maple ‘Emerald Queen’; silver maple ‘Silver Queen’; honeylocust ‘Majestic,’ ‘Skyline,’ and ‘Sunburst’; ginkgo ‘Pendula’; Callery pear ‘Bradford’; green ash ‘Marshall Seedless’; American linden ‘Nova’; and ‘Regent’ scholartree.
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