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preemergence herbicides improve weed control in spring zucchini production Vegetable growers have been reluctant to use no-tillage practices due to the lack of sufficient weed control. There are few herbicides available to control broadleaved weeds in most

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Paongpetch Phimchan, Suchila Techawongstien, Saksit Chanthai, and Paul W. Bosland

unique alkaloid restricted to Capsicum species ( Suzuki and Iwai, 1984 ). There is increased use of the capsaicinoids in pharmacy products, sprays for riot control, self-defense, and the pesticide industries ( Shur, 2002 ). Capsaicinoid accumulation is

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Carly Gillett, Kathryn Fontenot, Edward Bush, Maud Walsh, and Charles Johnson

–11 Louisiana State University Agricultural Center’s 4-H summer camp; Summer 2010 treatment camper (N = 120), control camper (N = 114); Summer 2011 treatment camper (N = 108), control camper (N = 114). Confidence question survey. During the Summer 2010 camp

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Luther C. Carson and Monica Ozores-Hampton

test for CRFs and SRFs for commerce purposes ( European Committee for Standardization, 2002 ; Sartain et al., 2004 ). Growth chamber and greenhouse methods are used to evaluate or compare how CRFs will act in a particular controlled environment

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David Kohanbash, George Kantor, Todd Martin, and Lauren Crawford

that data and irrigation settings are correct, if the node irrigates longer than commanded because of a bad packet that can cause problems. The second reason is that agricultural environments often have hills, valleys, trees, building, power lines, and

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Dilip R. Panthee, Chunxue Cao, Spencer J. Debenport, Gustavo R. Rodríguez, Joanne A. Labate, Larry D. Robertson, Andrew P. Breksa III, Esther van der Knaap, and Brian B. McSpadden Gardener

. Based on heritability and G×E interaction, lycopene was the most environment-sensitive trait, whereas TTA content was the least sensitive. The greater the level of environmental sensitivity, the less likely it will be to control and predict the

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Michelle A. Grabowski and Dean K. Malvick

. Studies of disease susceptibility in controlled environments Plant species and varieties for these studies were chosen based on the known host list of S. sclerotiorum ( Boland and Hall, 1994 ; Farr et al., 1989 ), the 2009 University of Minnesota annual

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Stephanie Burnett, Neil Mattson, Brian Krug, and Roberto Lopez

of Agriculture (USDA) Specialty Crops Research Initiative grant to develop light-emitting diodes as supplemental and photoperiodic lighting for greenhouses. Table 1. Average, minimum, and maximum temperature of a greenhouse environment (temperature

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Jonathan M. Frantz

sustainable controlled agriculture. In this study, the use of supplemental CO 2 was explored in combination with reduced temperatures. The objective was to compare lettuce growth within a low-temperature greenhouse supplemented with CO 2 against lettuce

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Peter Alem, Paul A. Thomas, and Marc W. van Iersel

States ( U.S. Department of Agriculture, 2014 ). Height control is important for the production of marketable, compact poinsettias ( Fisher and Heins, 1995 ; Heins et al., 1999 ). Poinsettia height control is also important for transportation and