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Wojciech J. Janisiewicz, Robert A. Saftner, William S. Conway, and Philip L. Forsline

Apple is one of the most important species among the temperate fruit crops. According to Vavilov (1930) , Central Asia is the center of origin for the domestic apple. His theory of “geography of genes,” that germplasm for breeding for resistance

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Jennifer K. Boldt, James C. Locke, and James E. Altland

accumulate Si in all tissues, although some may accumulate high Si concentrations in roots, and perhaps other tissues, but not in foliage. Recent studies have shown that root Si fractions in nonaccumulators may be as high as, or higher than, in Si

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Derald Harp, Gaye Hammond, David C. Zlesak, Greg Church, Mark Chamblee, and Steve George

.S. landscape rose sales ( Pemberton and Karlik, 2015 ). The Texas A&M University Earth-Kind ® Landscape Management Program has been conducting rose trials under low-input conditions since the 1990s. Cultivars with strong pest and disease resistance that

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Iryna Andrenko, Thayne Montague, Cynthia McKenney, and Russell Plowman

resistance include osmotic adjustment, ion exclusion from root uptake, tissue tolerance by compartmentalization of ions into vacuoles, salt excretion by salt glands, and increased succulence to dilute salts within plant cells ( Deeter, 2002 ; Munns, 2005

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Shannon E. Beach, Terri W. Starman, Kristen L. Eixmann, H. Brent Pemberton, and Kevin M. Heinz

bedding plants, this practice needs to be reexamined. Many garden plants are being produced as vegetative cuttings, which require production in larger pots (i.e., ≥4-inch-diameter). The increased root substrate volume allowable in pots versus plugs and

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Wahiba Boutebtoub, Michel Chevalier, Jean-Claude Mauget, Monique Sigogne, Philippe Morel, and Gilles Galopin

availability, and resistance to many plant pests. The genus Mandevilla belongs to the family Apocynaceae, subfamily Apocynoideae, tribe Mesechiteae, and includes more than 170 species, most of which are native to the tropical forests of South and Central

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Amnon Levi, Judy A. Thies, Alvin M. Simmons, Howard Harrison, Richard Hassell, and Anthony Keinath

. Hu, F. Yang, J. Yang, G. Yang, Y. Xx, P. Li, J. Ye, C. Dai, L. 2004 Cytoplasm and cytoplasm-nucleus interactions affect agronomic traits in japonica rice Euphytica 135 129 134 Thies, J.A. Levi, A. 2003 Resistance of watermelon germplasm to peanut root

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Xiaojing Liu, Naiwei Li, Fengfeng Du, Xin Li, Yajun Chang, Ning Shi, Yuesheng Ding, and Dongrui Yao

flower color. Usually, N. nucifera appears with white, pink, or red flowers ( Zhang et al., 2011 ), whereas the flower of N. lutea is characterized by its yellow flowers. In China, lotus has a long cultivation history of more than 3000 years, and

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Ksenija Gasic, John E. Preece, and David Karp

habit drooping; blooms mid-April in Andrian; similar disease resistance/susceptibility to other Fuji-type varieties. E756-36. Pink-fleshed, crisp with pleasant taste. Origin: NIAB EMR, Cambridge, United Kingdom, by K.M. Evans. Gala × SA908

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Kathy Zuzek, David Zlesak, Vance Whitaker, Steve McNamara, and Stan C. Hokanson

, several polyantha rose cultivars were acquired and evaluated for their performance in Minnesota. Although many had desirable ornamental features, their winter hardiness and disease resistance were not sufficient for Minnesota landscapes. In 1992, an