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Anita Solar, Jerneja Jakopič, Robert Veberič, and Franci Štampar

by Smit et al. (2005) , in some pear cultivars, shoot growth was reduced by up to 50%. In sweet cherry, short-term reductions in terminal shoot elongation caused by ProCa was reported by Elfving et al. (2003) . Until now, no investigations have been

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Huan Xiong, He Sun, Feng Zou, Xiaoming Fan, Genhua Niu, and Deyi Yuan

4 weeks from nodal explants. ( H–K ) Microshoot multiplication after 1, 2, 3, and 4 weeks from apical explants. ( L ) Shoot elongation and strengthening. ( M, N ) Rooting. ( O ) Rooted plantlets transferred to climate chamber after 4 weeks. ( P, Q

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Yeh-Jin Ahn and Grace Qianhong Chen

). Then, explants were transferred to MS medium without plant growth regulators for shoot elongation. The adventitious shoots reached ≈5 mm in length at 2 months after culture initiation ( Fig. 2E ) and 1 cm at 3 months ( Fig. 2F ). When shoots reached 2

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Seong Min Woo and Hazel Y. Wetzstein

maintained on their respective media for 3 months under a 16-h photoperiod as described previously. The study was repeated twice. Shoot elongation. Shoot clumps obtained on induction medium with TDZ and IAA were prolific but required elongation before

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L. Xu, G.F. Liu, and M.Z. Bao

.4 μ m TDZ, the number of bud primordia increased through 7 weeks of culture, although with less shoot elongation ( Kim et al., 1997 ). But in Formosan sweetgum, higher concentrations of TDZ (>2.27) resulted in excessive callus formation and fewer

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Mónica Moura, Maria Irene Candeias, and Luís Silva

subcultured in WP media supplemented with five BA concentrations (0, 1.1, 2.2, 4.4, and 8.9 μM). Shoot elongation and in vitro rooting. To induce shoot elongation and rooting, WP medium was supplemented with three concentrations of NAA (1.3, 2.7, and 5.4 μM

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Ze Li, Xiaofeng Tan, Zhiming Liu, Qing Lin, Lin Zhang, Jun Yuan, Yanling Zeng, and Lingli Wu

explants sources, growth regulators, carbon sources, and perlite for the induction, multiplication, elongation, and rooting of adventitious shoot via direct organogenesis. Materials and Methods Plant materials. Open-pollinated mature C. oleifera seeds

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Alexander G. Litvin, Marc W. van Iersel, and Anish Malladi

often determines the physiological responses of the plant, including its impact on growth ( Galmes et al., 2007 ; Kim et al., 2012 ). Under mild drought stress, plants may acclimate to maintain metabolic functions. Reductions in stem elongation and

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Rochelle R. Beasley and Paula M. Pijut

replications with 10 fresh hypocotyls per treatment per replication were conducted. Cultures were incubated for 4 weeks to induce adventitious shoot formation. Adventitious shoot elongation. After initial regeneration induction for 4 weeks, hypocotyls were

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Abraham Cruz-Mendívil, Javier Rivera-López, Lourdes J. Germán-Báez, Melina López-Meyer, Sergio Hernández-Verdugo, José A. López-Valenzuela, Cuauhtémoc Reyes-Moreno, and Angel Valdez-Ortiz

number of shoots per explant)]/100. Shoot elongation/rooting. The elongation and rooting of shoots were performed in one step ( Qiu et al., 2007 ) on growth regulator-free media ( Sun et al., 2006 ), and the effects of MS salts and sucrose were evaluated