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Qiansheng Li, Jianjun Chen, Dennis B. McConnell, and Richard J. Henny

used as the center of attention or as a focal point in gardens. The ecological and evolutionary significance of foliar variegation has not been well studied ( Lev-Yadun et al., 2002 ). Proposed adaptive value includes the protection of plants against

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A. Maaike Wubs, Ep Heuvelink, Leo F.M. Marcelis, Gerhard H. Buck-Sorlin, and Jan Vos

affected budbreak in simple rose systems consisting of a rooted stem with three nodes without leaves. This study suggested that the bud itself is the active site for light-mediated cues affecting budbreak. In many greenhouse crops located at higher

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Thitipat Weeplian, Tsair-Bor Yen, and Yunn-Shy Ho

.M. Childers, K.S. 2008 Light as a growth regulator: Controlling plant biology with narrow-bandwidth solid-state lighting systems HortScience 43 1957 1964 Fukumoto, L.R. Mazza, G. 2000 Assessing antioxidant and prooxidant activities of phenolic compounds J. Agr

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Haijie Dou, Genhua Niu, Mengmeng Gu, and Joseph Masabni

, and energy), and increasing demand for locally produced fresh food with high quality ( Despommier, 2013 ; Kozai et al., 2015 ; Tornaghi, 2017 ). Because electricity for powering electrical lighting is one of the largest energy consumption components

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Arthur Villordon, Jeffrey Cole Gregorie, Don LaBonte, Awais Khan, and Michael Selvaraj

−P root length in other plant species. However, Bonnot et al., (2016) have hypothesized that temporal P deficiency triggers local and long-distance (systemic) molecular, biochemical, and morphological responses in plants to adapt root systems to the

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Wenjing Guan, Elizabeth T. Maynard, Bronwyn Aly, Julie Zakes, Daniel S. Egel, and Laura L. Ingwell

are equipped with supplemental lighting, heating, and cooling systems. High-tunnel growers are forced to open the sides and end walls of the structure in the summer to prevent extremely high temperatures inside the structure. Without insect netting

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Cristina Pisani, Mark A. Ritenour, Ed Stover, Anne Plotto, Rocco Alessandro, David N. Kuhn, and Raymond J. Schnell

climatic environments isolated from each other geographically ( Kopp, 1966 ; Litz et al., 2005 ; Scora et al., 2002 ). Persea americana var. drymifolia race Mexican evolved in the highlands of south-central Mexico and is adapted to tropical highlands

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Jinrong Liu, W. Roland Leatherwood, and Neil S. Mattson

concentrations when adapting fertilizer guidelines developed for overhead watering to subirrigation systems. Conclusions For vegetable transplants sold primarily for their vegetative characteristics (leaves of collards/lettuce) a profitable production strategy to

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Seenivasan Natarajan and Jeff S. Kuehny

as temperature increased ( Bigras, 2000 ). To overcome the effects of high temperature, plants also have evolved to adapt/acclimate and survive in stressful environmental situations ( Senthil-Kumar et al., 2003 ). It is important to identify these

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Pedro García-Caparrós, Olga González-Salmerón, Mónica Pérez-Saiz, Raquel Calatrava, María Teresa Lao, Rosa María Chica, and Gumersindo De la Cruz

Epson Corp., Suwa, Japan) and the images were processed with Adobe Photoshop CS6 (Adobe System Software, Dublin, Ireland) by averaging the R, G, and B values of all the leaf pixels. The same plants designated for the determination of leaf color index