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Lisa Alexander

’s osmanthus, which is a hybrid of fragrant tea olive and holly tea olive. These species have cultivars with diverse plant architecture, leaf forms, and flowering times and are commonly found in landscape plantings throughout USDA Hardiness Zones 7, 8, and 9 in

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Nebahat Sari, Emily Silverman, Danny Reiland, and Todd C. Wehner

Research Service (USDA–ARS) has one of the most important genetic resource collections in the world in Lagenaria as well as in many plant species. According to our knowledge, the previous study on properties of L. siceraria seed is limited, and there is

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H. Chris Wien

in the open Acta Hort. 580 101 109 Byczynski, L.. 2003 The hoophouse handbook Fairplain Publ Lawrence. KS Byczynski, L. 2005 Extending the season Fairplain Publ Lawrence, KS Jerardo, A. 2006 Floriculture and nursery crops yearbook 5 Mar. 2008 < http://usda

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Allan Stoner and Kim Hummer

will discuss the earliest USDA explorers through those of the middle of the 20th century. MIDDLE TO LATE 1800S: FIRST UNITED STATES PLANT EXPLORERS The first official federal United States foreign plant exploration was conducted in 1858. On this

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Sandra E. Branham, Mark W. Farnham, Shane M. Robinson, and W. Patrick Wechter

( Keinath et al., 2006 ), and all tested commercial cultivars have been found to be susceptible to the pathogen ( Keinath et al., 2011 ; Wechter et al., 2013 ). Thus, the objective of this study was to screen the USDA viridis PI collection for resistance

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Dru N. Montri, Bridget K. Behe, and Kimberly Chung

). Considering these benefits and the growing popularity of locally grown foods ( Keeling-Bond et al., 2009 ; Zepeda and Li, 2006 ), the increase in the number of farmers markets across the country is not surprising (1755 in 1994 to 7175 in 2011) ( USDA, 2012a

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Dianiris Luciano-Rosario, Luis A. Cruz-Saavedra, and Dimuth Siritunga

geographic region. Similarly, Brown et al. (2012) found heterozygosity deficiencies in natural populations of papaya in Costa Rica after studying 164 accessions from Costa Rica and 20 known cultivars from the USDA germplasm collection using 20 SSR markers

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Neil O. Anderson, Peter D. Ascher, Vincent Fritz, Charlie Rohwer, Steven Poppe, Shengrui Yao, Patricia Johnson, Lee Klossner, Neal S. Eash, Barbara E. Liedl, and Judith Reith-Rozelle

× grandiflorum (= Dendranthema × grandiflora Tzvelv.; = C. × morifolium Ramatuelle) and C. × hybridum , are the No. 1 herbaceous perennial in the top 15 U.S. producing states with a wholesale (w) farm gate value of $123.7 million (M) in 2015 ( USDA NASS

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Neil O. Anderson, Esther Gesick, Peter D. Ascher, Steven Poppe, Shengrui Yao, David Wildung, Patricia Johnson, Vincent Fritz, Charlie Rohwer, Lee Klossner, Neal Eash, Barbara E. Liedl, and Judith Reith-Rozelle

’, respectively, and RHS 70B with white underlay and RHS N74D, white toward base for said petal surfaces in Mammoth™ ‘Dark Pink Daisy’ ( Strauss for the Regents of the University of Minnesota, 2011 ). Winterhardiness of Mammoth™ ‘Twilight Pink Daisy’ is a USDA Z3b

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David C. Zlesak, Randy Nelson, Derald Harp, Barbara Villarreal, Nick Howell, Jason Griffin, Gaye Hammond, and Steve George

“hardy” (e.g., cold hardy, heat tolerant, or drought tolerant). Most of the landscape rose cultivars available today are not reliably winter hardy in the USDA Plant Hardiness Zones 3 and 4 ( U.S. Department of Agriculture, 2012 ; Zuzek et al., 2016 ). In