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1 Secondary Growth: How to Make a Tree, and The Diversity of Wood and Bark General Questions: " What is a tree? How do trees vary in design? " What is the composition of wood and bark? " How does development produce wood and bark? " What are products from wood and bark used by humans?
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Simple, have non-toothed margins, are usually strap-shaped or linear, have a longitudinally parallel venation, and a sheath to their base (lack petiole)
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Grape Crown Gall Agrobacterium vitis (Ophel & Kerr 1990) Jodi E. Creasap and Thomas J. Burr Department of Plant Pathology, Cornell University, NYSAES, Geneva, NY nysipm.cornell.edu/factsheets/grapes/diseases/crown_gall.
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