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David Kopsell

Pocket Guide to Rhododendron Species . J.F.J. McQuire and M.L.A. Robinson. 2010. Published by Kew Publishing, Royal Botanic Gardens, Kew; distributed by the University of Chicago Press. 704 pages; 700 color plates. $97.00, Hardcover. ISBN 13: 978

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Gen-Fa Zhu and Dong-Mei Li

The genus Dendrobium is one of the largest genera in Orchidaceae family, comprising ≈1200 species ( http://en.wikipedid.org/wiki/list_of_Dendrobium_species ) of Dendrobium distributed in tropical and subtropical Asia and Oceania. They have been

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Ai-Rong Li, Kai-Yun Guan and Robin J. Probert

frigid, high-latitude, and alpine belts in the north temperate zone ( Yang et al., 1998 ). As one of the largest genera of angiosperms in the northern hemisphere (≈600 species worldwide) and with dramatic morphological diversity ( Ree, 2005

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Roger Kjelgren, Lixue Wang and Daryl Joyce

). Appropriate species selection for water-wise landscaping can be improved with knowledge of drought tolerance and water stress response mechanisms among candidate species ( Kjelgren et al., 2000 ). Drought and water stress response mechanisms have been well

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Michelle DaCosta and Bingru Huang

active oxygen species (AOS) such as singlet oxygen ( 1 O 2 ), superoxide (O 2 .− ), hydrogen peroxide (H 2 O 2 ), and hydroxyl radicals (OH·) ( Asada, 1999 ). These species can cause oxidative damage to lipids, nucleic acids, and proteins ( Smirnoff

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Shasha Wu, Youping Sun and Genhua Niu

, 2002 ; Niu and Cabrera, 2010 ; Veatch-Blohm et al., 2014 ). Most landscape plant species are nonhalophytes; therefore, assessment of salt tolerance is necessary for landscapes where poor-quality water may be used for irrigation. The salt tolerance of

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Clinton C. Shock, Erik B.G. Feibert, Alicia Rivera, Lamont D. Saunders, Nancy Shaw and Francis F. Kilkenny

critical for rehabilitating habitat for pollinators and wildlife, such as the greater sage grouse ( Dumroese et al., 2015 ). A number of promising native forb species have been identified for rangeland restoration purposes, but relatively little is known

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Judson S. LeCompte, Amy N. Wright, Charlene M. LeBleu and J. Raymond Kessler

., 2002 ). Salinity tolerance research conducted on landscape plant species has commonly been conducted using simulated reclaimed wastewater (treated municipal effluent) ( Marcotte et al., 2004 ; Miyamoto et al., 2004 ; Niu et al., 2007 , 2012 ; Wu et

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Junqin Zong, Yanzhi Gao, Jingbo Chen, Hailin Guo, Yi Wang, Fan Meng, Yiwei Jiang and Jianxiu Liu

rely on anaerobic respiration pathways to produce limited energy to maintain metabolic activity ( Bailey-Serres and Voesenek, 2008 ). Thus, adaptation of roots to flooding stress is critical to whole-plant survival. Compared with flood sensitive species

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Jean Carlos Bettoni, Aike Anneliese Kretzschmar, Remi Bonnart, Ashley Shepherd and Gayle M. Volk

Grape ( Vitis spp.) is one of the most economically important fruit crops cultivated and consumed worldwide ( OIV, 2018 ). Vitis has a rich genetic diversity; there are more than 70 species within the genus, with most of the globally important