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Marie-José Côté and Lisa Leduc

established method was then verified using leaves or branches from Japanese barberry plants sampled in nurseries across Canada. Suspected mislabeled plant samples and samples from plants demonstrating unusual morphologic characters were tested as well. The

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Huifei Shen, Bing Zhao, Jingjing Xu, Xizi Zheng, and Wenmei Huang

changes in physiology and morphology of plants exposed to high temperatures. The results will provide theoretical basis and some practical recommendations for improving thermotolerance in Rhododendron , which can be used to develop management practices

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Filip Jovanović, Dragica Obratov-Petković, Ivana Bjedov, Ivana Živanović, Sonja Braunović, Tatjana Ćirković-Mitrović, and Gordana Tomović

Species of the genus Galanthus L. (Amaryllidaceae), known as snowdrops, rank among the finest garden plants and are particularly welcomed as early flowering harbingers of spring. The genus comprises 21 species of bulbous, petaloid monocotyledons

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Heidi M. Wollaeger and Erik S. Runkle

different B:R ratios, but the same PPF to facilitate the commercial production of young plants with desirable morphological characteristics. We postulated that as the proportion of B light increased, extension growth would decrease, whereas chlorophyll

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Peter Alem, Paul A. Thomas, and Marc W. van Iersel

biomass accumulation is more sensitive to WD than plant height. Water deficit may affect a variety of plant growth and morphological features such as number and size of leaves and canopy density, hence reducing shoot biomass ( Burnett and van Iersel, 2008

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David C. Zlesak and Neil O. Anderson

salable, flowering plants within the 2 weeks before Easter, greenhouse finishers manipulate vernalization treatments, long-day photoperiod treatments after vernalization, and production temperatures. These production factors can alter plant morphology and

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Ricardo Hernández and Chieri Kubota

temperature above the plant canopy was maintained the same under all the treatments to minimize temperature effects on plant growth and morphology. Canopy air temperature measured was between 0.5 and 0.7 °C higher in the HPS treatment presumably as a result of

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Jennifer Han, Jan E. Murray, Qingyi Yu, Paul H. Moore, and Ray Ming

) Effect of GA 3 treatment on increased peduncle length, ( B ) branch number, ( C ) flower number, and ( D ) plant height. Fig. 2. Morphological effects of gibberellic acid (GA 3 ) treatment on peduncle length and inflorescence branch number. ( A ) Female

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Malcolm W. Smith, Debra L. Gultzow, and Toni K. Newman

distinctly different plants and to introgress traits not found in the main genus of interest. However, plant groups differ markedly in their crossability with prezygotic and postzygotic barriers to hybridization becoming more severe as the distance between

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Kuan-Hung Lin, Shao-Bo Huang, Chun-Wei Wu, and Yu-Sen Chang

programs focused on this problem. Therefore, the influences of SA and CaCl 2 treatments, applied alone and in combination, on poinsettia were assessed by observing changes in the physiology and morphology of plants exposed to high temperatures. The aim of