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Hatice Gulen, Yasar Erbil and Atilla Eris

A stock plant etiolation treatment was tested to improve rooting of the important cherry rootstock Gisela-5. To create the etiolation effect, at the beginning of the growing season, banding (blanching) was initiated on stock plants by placing black plastic tape at the base of new shoots for 6 or 10 weeks. Cuttings were excised so that the banded area was at the cutting base. IBA was applied at two concentrations (5 and 10 mm) to the cutting base following wounding and cuttings were placed in perlite (100%) rooting medium under mist. The rooting percentage, number of roots per cutting and root length were measured 4 weeks after planting. Banding and duration significantly stimulated rooting of leafy softwood cuttings. The highest rooting percentage (80.0%) was obtained on cuttings banded for 6 weeks and treated with 5 mm IBA.

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Zhaohui Li, Yan Ma, Wanyuan Yin, Dekui Zang and Xianfeng Guo

determine the cutting type by testing the effects of gradient concentrations of indole-3-butyric acid (IBA) and cutting positions on rooting performance and, second, to investigate the effects of the collection times of cuttings on rooting performance and to

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Andrew R. King, Michael A. Arnold, Douglas F. Welsh and W. Todd Watson

cuttings were taken from branch tips of 25- to 50-year-old trees vs. 1-year-old trees. When the cuttings taken from the 1-year-old trees were treated with a 1000 mg·kg −1 powder form of indole-3-butyric acid (IBA) (ROOTONE®; Ferti-lome Co., Bonham, TX

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

stimulation of root development and increases uniformity of rooting. This in turn results in the propagating of new plants in a shorter period of time and low cost. IBA is one of the most effective and widely used auxins in vegetative propagation ( Blazich

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Jalil Dejampour, Islam Majidi, Solmaz Khosravi, Sevil Farhadi and Atena Shadmehr

intensity and subsequent 8-h dark condition in a growth chamber at 23 ± 1 °C. They were sub-cultured every 3 weeks. Table 1. Proliferation treatments containing different concentrations of benzyl amino purine (BAP) and indole butyric acid (IBA) for the HS314

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Benjamin D. Taylor and Benjamin K. Hoover

Cathey, 2004 ). Wall germander can be propagated from cuttings without adding auxin, but rooting is more rapid and uniform with the application of 1000–3000 ppm IBA ( Dirr and Heuser, 2006 ). Auxins are a class of plant growth regulators that affect many

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Ana Centeno and María Gómez-del-Campo

(IBA) and α-naphthaleneacetic acid compared with indole-3-acetic acid (IAA), the most abundant endogenous auxin in plants. IBA is considered the best synthetic auxin because it is nontoxic to plants over a wide concentration range. Furthermore, it is a

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Justin A. Schulze, Ryan N. Contreras and Carolyn F. Scagel

successfully rooted hardwood cuttings at high percentages ( Ribeiro et al., 2010 ; Sülüşoğlu and Çavuşoğlu, 2009 ; Yazici, 2009 ). Ribeiro et al. (2010) reported exogenous application of IBA improved rooting percentage compared with a control without IBA

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Efstathia Exadaktylou, Thomas Thomidis, Brian Grout, George Zakynthinos and Constantinos Tsipouridis

et al., 2004 ), but no data are available for the propagation of this rootstock by hardwood cuttings. Many external factors such as cutting length and diameter, applied indole-3-butyric acid (IBA) concentration, date of cutting collection, and

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Fatemeh Haddadi, Maheran Abd Aziz, Ghizan Saleh, Azmi Abd Rashid and Hossein Kamaladini

( Mohamed et al., 2007 ; Sutter et al., 1997 ; Svensson and Johansson, 1994 ) or in combination with auxins like indole-3-butyric acid (IBA) ( Landi and Mezzetti, 2006 ; Yonghua et al., 2005 ). However, there are no reports so far on the effect of TDZ in