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Wanploy Jinagool, Lia Lamacque, Marine Delmas, Sylvain Delzon, Hervé Cochard, and Stéphane Herbette

was found when comparing Prunus species ( Cochard et al., 2008 ). A review of the hydraulic traits in conifers also reveals differences between species from the same genus, although it is weaker in some genera such as Pinus ( Bouche et al., 2014

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Xiuli Shen and Myeong-Je Cho

option to explore. Seed propagation has several advantages for mass production in sugar pine. Sugar pine bears the longest cones of all conifers, so seeds are abundant ( Cermak, 1992 ). Using seeds to initiate in vitro culture normally results in less

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Cheryl R. Boyer, Thomas V. Gallagher, Charles H. Gilliam, Glenn B. Fain, H. Allen Torbert, and Jeff L. Sibley

residual substrate J. Environ. Hort. 27 56 62 Burns, R.M. Honkala, B.H. 1990 Silvics of North America: 1. Conifers; 2. Hardwoods. U.S. Dept. Agr. For. Serv. Agr. Hdbk. 654 Davidson, H. Mecklenburg, R. Peterson, C. 2000 Nursery management: Administration and

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Pascal Nzokou and Paligwende Nikiema

(chilling requirement) necessary to prepare apical meristems of temperate perennial plants to resume growth when temperatures become favorable in the spring. In boreal conifers, chilling is reported to be the main factor promoting rest completion and growth

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Christina M. Twardowski, Jaime L. Crocker, John R. Freeborn, and Holly L. Scoggins

plants should be maintained with a fertilization program that will yield cuttings with sufficient nutrient reserves until rooting occurs. Most work in the area of nutrient effects on stock plant cutting yield and rooting response has been done on conifers

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Masafumi Johkan, Genjirou Mori, Kazuhiko Mitsukuri, Keiichirou Mishiba, Toshinobu Morikawa, and Masayuki Oda

Methyl jasmonate-induced ethylene production is responsible for conifer phloem defense responses and reprogramming of stem cambial zone for traumatic resin duct formation Plant Physiol. 135 2134 2149 Inskeep, W.P. Bloom, P

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Wei-Ting Tsai and Chien-Young Chu

rhododendron ( Douglas, 1984 ), conifers ( Pâques et al., 1992 ), roses ( Wong and Chu, 1995 ), and garlic ( Kim et al., 2003 ), we explored the possibility that orchids, namely Doritaenopsis , could be cultured in this manner with optimal results. However

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Bing Liu, Hong Zhou, Sha Cao, Yi-ping Xia, and Rajeev Arora

temperature for deacclimation in these cultivars to be around 5 °C. Similar results have been obtained for hydrangea stems ( Pagter et al., 2011 ), poplar xylem ( Sauter et al., 1996 ), and conifer shoots ( Bigras et al., 2001 ). From 24 Feb. onwards till the

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Alan T. Whittemore and Zheng-Lian Xia

simple polyembryony has been studied in some conifers, but these plants are self-compatible and embryo competition mostly serves to eliminate embryos resulting from self-pollination ( O’Connell and Ritland, 2005 ; Sorensen, 1982 ). Because U. americana

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Şemsettin Kulaç, Pascal Nzokou, Deniz Guney, Bert Michael Cregg, and Ibrahim Turna

was expected because one of the first morphological indicators of drought stress is decreased plant height, stem diameter, and total biomass ( Monclus et al., 2006 ). This has been previously observed in several conifers including Norway spruce and