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Keun H. Cho, Veronica Y. Laux, Nathan Wallace-Springer, David G. Clark, Kevin M. Folta and Thomas A. Colquhoun

Vegetative cutting is an indispensable propagation technique for the mass production of ornamental annuals, perennials, herbs, shrubs, trees, and foliage plants. This method offers substantial advantages of maintaining identical phenotypic traits

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Rajendra P. Maurya, Dion M. Lewis and Jeff St. A. Chandler

propagation techniques that can be used include budding, grafting, cuttings, and air-layering. The production of seedlings for rootstock is required for budding and grafting and this makes these methods time-consuming and expensive. As a result of the great

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Ana Centeno and María Gómez-del-Campo

vegetative material, making genetic and sanitary control difficult. Formation pruning is also expensive because the use of wood cuttings promotes a shrub-like growth. Later, Hartmann (1946) developed a technique for olive tree propagation by leafy

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Mariateresa Cardarelli, Youssef Rouphael, Francesco Saccardo and Giuseppe Colla

Research was conducted at the University of Tuscia (central Italy) to validate the propagation system for globe artichoke (Cynara cardunculus var. scolymus) described in a previous paper for a 1-year production cycle. The resulting globe artichoke plants were used in a 2-year field trial to investigate the field response of plantlets obtained with our propagation technique in comparison with plantlets produced by in vitro propagation and by offshoots harvested in commercial fields. The total number of artichoke plantlets obtained with our propagation system was 62.7 plantlets/m2 per year. In the first year, the globe artichoke production (bud number and fresh bud weight) was higher in plants obtained with our propagation system and by micropropagation than in those obtained from offshoots harvested in commercial fields. The production cost of plantlets obtained with our propagation technique was 52% lower than those of the micropropagated plantlets. This could lead to a significant reduction of production costs for artichoke growers, while preserving the advantages of in vitro propagation (disease-free plants and plant uniformity).

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Douglas W. Maxwell and R. Daniel Lineberger

151 POSTER SESSION 20 (Abstr. 326-348) Propagation/Tissue Culture Wednesday, 26 July, 1:00-2:00 p.m.

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Lawrence W. Zettler, Sarah B. Poulter, Kris I. McDonald and Scott L. Stewart

epiphytic orchids of south Florida, mostly from poaching, habitat loss, natural disasters (e.g., Hurricane Wilma, 2005), exotic species, and habitat mismanagement, the development of artificial propagation methods to augment existing conservation practices

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Rolston St. Hilaire

44 POSTER SESSION 3 (Abstr. 098-108) Propagation/Tissue Culture Thursday, 29 July, 1:00-2:00 p.m.

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Paula M. Pijut and Melanie J. Barker

44 POSTER SESSION 3 (Abstr. 098-108) Propagation/Tissue Culture Thursday, 29 July, 1:00-2:00 p.m.

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Abigail R. Debner, Harlene Hatterman-Valenti and Fumiomi Takeda

successful methods of commercial blackberry propagation include root cuttings and tissue culture ( Caldwell, 1984 ; Hartmann et al., 2011 ). Attempts to root hardwood cuttings of FF blackberry have produced variable success rates ( Bray et al., 2003

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John C. Pair

67 POSTER SESSION 9 (Abstr. 566-589) Propagation/Cell & Tissue Culture: Turf/woody Plants