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compared with 1000 mg·L −1 ( Martin and Singletary, 1999 ). However, in this study, plants treated with higher rates were more compact and had decreased leaf size. DS has been used as a chemical pinch to prevent elongation in woody plants as well as to

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

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

Institute of Chemical Industry, Shanghai, China) was injected into the bag using a syringe. We shook each labeled leaf every 30 min to evenly distribute the 13 CO 2 in the bag. After maintaining photosynthesis for 4 h, KOH solution was used to absorb the

. 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

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

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

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

.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

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