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Vincent E. Rubatzky

Lettuce, Endive and Chicory. E.J. Ryder. 1999. CABI Publishing, 10 E. 40th St., Suite 3203, New York, NY 10016. 208 p. $50.00. ISBN 0 85199 285 4.

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Leqi Yang, Xiao Yang, Hong Zhao, Danfeng Huang and Dongqin Tang

Angelini, 2013 ). Water management is a key determinant of both the biomass and nutritional composition of vegetables cultivated in greenhouses. China is a major producer of the salad vegetable lettuce ( Lactuca sativa L.); China is responsible for 56% of

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Emmanuel Alves Dos Santos Hecher, Constance L. Falk, Juliette Enfield, Steven J. Guldan and Mark E. Uchanski

three U.S. Department of Agriculture Plant Hardiness Zones to the south, which makes production of spinach and lettuce in cold winter weather possible ( Coleman, 2009 ; Wells and Loy, 1993 ). Although high tunnels have been extensively studied in the

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Natalie R. Bumgarner, Whitney S. Miller and Matthew D. Kleinhenz

al., 2007 ; Hatfield et al., 2008 ). Overall, digital image acquisition and analysis must be repeated under a range of conditions to establish the limits of their application. We grew leaf lettuce in outdoor, high tunnel, and greenhouse settings and

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M. Murshidul Hoque, Husein Ajwa, Mona Othman, Richard Smith and Michael Cahn

production cost ( Fageria, 2009 ). Although some studies indicate that adequate lettuce yield can be achieved with low N application rates ( Soundy and Smith, 1992 ), others suggest that high rates of N might be required to achieve maximum yields ( Carling et

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Charlene M. Grahn, Barbara Hellier, Chris Benedict and Carol Miles

Lettuce is a cool-season crop that germinates optimally at an average temperature of 18 °C ( Lafta and Mou, 2013 ). Established lettuce plants can survive a wide range of environmental conditions including moderate frost and daily temperature down

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Edward J. Ryder

I thank Bert Robinson and David Milligan, agricultural research technicians, for helping with field planting and LMV testing, respectively. Part of this research was supported by the California Iceberg Lettuce Research Program. The cost of

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J.R. Baggett, N.S. Mansour and D. Kean

Oregon Agricultural Experiment Station technical paper no. 9072. We greatly appreciate the assistance of Donald Gatzke of Gatzke Farms, Montello, Wis., in the testing and selection of lettuce lines in Michigan. The cost of publishing this

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Gary W. Stutte

use of LEDs as tools for photobiology as well ( Folta and Childers, 2008 ). With the increasing availability of LED light sources at affordable prices, the range of commercial applications has also been expanding; commercial lettuce production

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James D. McCreight

Lettuce aphid ( Nasonovia ribisnigri Mosley) has affected lettuce ( Lactuca sativa L.) production in Europe since the 1970s and became a serious problem on lettuce in British Columbia, Canada, in 1981 ( Forbes and MacKenzie, 1982 ). It was