Vol. 25

Title:
PROPAGATION OF ACER PALMATUM CULTIVARS FROM HARDWOOD CUTTINGS

Author:
Lawrence L. Carville

pp: 39-47

Abstract:
Traditionally, Acer palmatum cultivars in the Northeast have always been propagated from dormat hardwood grafting. This method has assured the grower of successful stands of grafts which can be planted out in the spring and which will be winter hardy during the first season outside the greenhouse. The increasing scarcity of Acer palmatum seedlings for understocks and the rapidly escalating labor costs have prompted some growers to search for less expensive and more expeditious means of propagating Acer palmatum cultivars. A review of the literature within the IPPS indicates that growers have been experimenting with both softwood and hardwood cuttings of Japanese maples (1, 2, 3, 4, 5). Unit costs have always favored cuttings over graftage but many of the problems related to cuttings production have discouraged the commercial grower. I have achieved good results with softwood cutting production of Acer palmatum ‘Atropurpureum Bloodgood’¹ but the problems incidental to taking and

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