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Mark L. Gleason, Amy Wang Wong, Donald R. Lewis, Luis Felipe Arauz Cavallini, Barbara C. Clawson, Kevin R. Duerfeldt, Hayley M. Nelson, and Gail R. Nonnecke

barriers.” UCR students also reported that the experience allowed them to improve their English speaking and listening comprehension, build confidence in their ability to communicate in a second language, and increase their desire to become more fluent in

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Ryan J. Hayes and Edward J. Ryder

congruity backcrossing ( Haghighi and Ascher, 1988 ; Mejia-Jimenez et al., 1994 ) have been designed to break linkages between introgression barriers and desirable alleles. These approaches should be pursued to increase the number of big vein resistance

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Miguel Urrestarazu, Isidro Morales, Tommaso La Malfa, Ruben Checa, Anderson F. Wamser, and Juan E. Álvaro

volume, the roots can access better physicochemical conditions that are distributed unevenly, depending on the fertigation method ( De Rijk and Schrevens, 1998 ; Sonneveld and Voogt, 1990 ). The aim of the present study was to evaluate the effect of time

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Xiuxiu Sun, Elizabeth Baldwin, Mark Ritenour, Anne Plotto, and Jinhe Bai

inhibit discoloration of bixin during storage ( Balaswamy et al., 2006 ). It was hypothesized that carnauba wax provides a partial oxygen barrier that protects the colorants from oxidation. Indeed, discoloration of the colorants was significantly decreased

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Lee F. Johnson, Michael Cahn, Frank Martin, Forrest Melton, Sharon Benzen, Barry Farrara, and Kirk Post

Department of Water Resources, operates a network of stations that provide weather data and daily estimates of grass reference ET (ETo) in most agricultural regions of California ( Pruitt et al., 1987 ; Temesgen et al., 2005 ). Users may access data from the

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Andrew K. Koeser, Sarah T. Lovell, Aaron C. Petri, Robin G. Brumfield, and J. Ryan Stewart

conditions to fully break down (David Evans, personal communication). Although recycling plastic pots is an option for some consumers with access to collection facilities, containers used for greenhouse and nursery production are less likely to be reclaimed

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Ronald C. Stephenson, Christine E.H. Coker, Benedict C. Posadas, Gary R. Bachman, Richard L. Harkess, John J. Adamczyk, and Patricia R. Knight

of access to restricted use pesticides and cultivars with limited resistance to insect and disease may result in extensive losses. Improved crop protection strategies may lead to significant increases in production efficiency ( Lucas, 2011 ). Due to

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Analena B. Bruce, Elizabeth T. Maynard, and James R. Farmer

common perception among the interviewed farmers that the greatest barrier to high-capacity management is the required investment of sufficient time and labor in these high tunnels. Because producers may be integrating high tunnel production into farming

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Emily K. Dixon, Bernadine C. Strik, Luis R. Valenzuela-Estrada, and David R. Bryla

remove them only before harvest. However, weeds compete with blackberry plants and can significantly reduce yield when left unmanaged ( Harkins et al., 2013 ; Meyers et al., 2014 ). The use of a perforated landscape fabric, or “weed mat,” as a barrier to

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fluorescence microscope also supported the above results. Therefore, reproduction isolation barriers such as inhibition of pollen germination, lack of fertilization, endosperm failure and/or embryo abortion should be avoided through selecting a suitable female