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George Gizas and Dimitrios Savvas

physical and chemical properties of pumice, as well as the method of cultivation on this substrate (e.g., cultivation in bags or containers), is currently limited ( Challinor, 1996 ; Gunnlaugsson and Adelsteinsson, 1995 ; Raviv et al., 2002 ). Raviv et

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Michele Krucker, Rita L. Hummel, and Craig Cogger

application using combinations of ammonium nitrate (EM Science, Germany), potassium sulfate (J.T. Baker Chemical Co., Phillipsburg, NJ), and potassium phosphate monobasic (EM Science, Darmstadt). The water used to mix the fertilizer solutions had a pH of 6

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Noelle J. Fuller, Ronald B. Pegg, James Affolter, and David Berle

oil yield (g/plant) was calculated as follows: Essential oil analysis. Essential oil samples were dissolved in high-performance liquid chromatography(HPLC)-grade acetonitrile (Sigma-Aldrich Chemical Company, St. Louis, MO) in a 5-mL volumetric flask

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Veronica A. Hutchinson, Christopher J. Currey, and Roberto G. Lopez

water was supplemented with 93% sulfuric acid (Brenntag, Reading, PA) at 0.08 mg·L −1 to reduce alkalinity to 100 mg·L −1 and pH to a range of 5.8 to 6.2. Stock plants were maintained in a vegetative state by regularly pinching shoots and applying

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Mengzi Zhang and Erik S. Runkle

commercial growers to increase plant height and promote leaf expansion of poinsettia when an excessive concentration of a plant growth retardant was previously applied ( Lopez and Runkle, 2007 ); however, the use of growth-regulating chemicals is restricted

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Michael W. Smith and William D. Goff

. Pecan patch budding success increased with larger rootstocks [60-cm tall and 1-cm diameter to 120-cm tall and 2.5-cm diameter ( Maximos et al., 1979 )]. Neither girdling (bark removal at the base of the budwood shoot) nor pinching (removing the apical

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Henry Taber, Penelope Perkins-Veazie, Shanshan Li, Wendy White, Steven Rodermel, and Yang Xu

cluster. Fruit number was held constant at four to five per flower cluster by pinching off the distal fruits. As the plants became larger, additional tap water was applied to avoid drought stress. All fruits were tagged when they reached breaker stage and

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Sabine R. Green, Geno A. Picchioni, Leigh W. Murray, and Marisa M. Wall

.4. Before field transplanting, the field received a surface broadcast application of P at 68 kg·ha −1 as 0N–20.5P–0K (Helena Chemical, Collierville, TN). A subsurface drip irrigation system was installed as a single line of T-tape (model 508–08–670; T

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J.B. Edmond Undergraduate Student Paper Competition Evaluating Hard Pinch Timing of Dendranthema morifolium on Lateral Shoot Branching and Flowering Response Stephen Blanchette, Patrick N. Williams, and Kris-Ann E. Kaiser

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César Mota-Cadenas, Carlos Alcaraz-López, M. Carmen Martínez-Ballesta, and Micaela Carvajal

-Carbo, M. Díaz-Espejo, A. Galmes, J. Medrano, H. 2008 Mesophyll conductance to CO 2 : Current knowledge and future prospects Plant Cell Environ. 31 602 621 Frommer, W.B. Ludewig, U. Rentsch, D. 1999 Taking transgenic plants with a pinch of salt Science 285