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Grafting of the hazelnut into a whistle:
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spring hazel grafting, scion, large plants:
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hazel grafting in the nursery and pike beak:
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chip core grafting:
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Resolving the Speciation Patterns and Evolutionary History of the Intercontinental Disjunct Genus Corylus (Betulaceae) (article from which the diagrams were taken):
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