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Shih-Wei Kong, Hsin-Ying Chung, Ming-Yi Chang, and Wei Fang

leaves are green Plant Cell Physiol. 50 684 697 Vierstra, R.D. Poff, K.L. 1981 Role of carotenoids in the phototropic response of corn seedlings Plant Physiol. 68 798 801 Wang, H.Y. 2010 Vertical cultivation of Boston lettuce ( Lactuca sativa ) production

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Renée L. Eriksen, Caleb Knepper, Michael D. Cahn, and Beiquan Mou

largely centered on root qualities. Jackson (1995) reported differences in root architecture in cultivated L. sativa cv. Salinas and its wild progenitor ( Kesseli et al., 1991 ) Lactuca serriola . Cultivated L. sativa tends to produce more lateral

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Vincent Martineau, Mark Lefsrud, Most Tahera Naznin, and Dean A. Kopsell

produce similar biomass and phytochemical levels compared with HPS lamps at reduced energy cost for lettuce grown in a hydroponics setup. Materials and Methods Lettuce plant culture The Boston head lettuce ( Lactuca sativa var. capitata ) was provided by

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Ryohei Koyama, Hiromichi Itoh, Syuji Kimura, Ai Morioka, and Yuichi Uno

. Agr. 21 29 34 Nicolle, C. Carnat, A. Fraisse, D. Lamaison, J.L. Rock, E. Michel, H. Amouroux, P. Remesy, C. 2004 Characterisation and variation of antioxidant micronutrients in lettuce ( Lactuca sativa folium ) J. Sci. Food Agr. 84 2061 2069 10

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Abbas Lafta, Germán Sandoya, and Beiquan Mou

with combined resistance to two soilborne diseases HortScience 53 247 250 10.21273/HORTSCI12559-17 Holmes, S.C. Wells, D.E. Pickens, J.M. Kemble, J.M. 2019 Selection of heat tolerant lettuce ( Lactuca sativa L.) cultivars grown in deep water culture

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Ken Takahata, Yoko Mine, Atsukiyo Karimata, and Hiroyuki Miura

196 198 Gray, D. 1975 Effects of temperature on the germination and emergence of lettuce ( Lactuca sativa L.) varieties J. Hort. Sci. 50 349 361 10.1080/00221589.1975.11514644 Guedes, A.C. Cantliffe, D.J. 1980 Germination of lettuce seeds at high

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Sylvie Jenni, David de Koeyer, and George Emery

The role of leaf shape in the inheritance of heading in lettuce ( Lactuca sativa L.) J. Amer. Soc. Hort. Sci. 100 104 105 Beraha, L. Kwolek, W.F. 1975 Prevalence and extent of eight market disorders of western

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W. Garrett Owen and Roberto G. Lopez

lettuce ( Lactuca sativa L.), whereas Kleinhenz et al. (2003) reported that shading reduced anthocyanin content of three lettuce cultivars. Therefore, growers can use high-intensity discharge lamps (HID) such as HPS or metal halide lamps for SL and

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Giedrė Samuolienė, Akvilė Urbonavičiūtė, Pavelas Duchovskis, Zenonas Bliznikas, Pranciškus Vitta, and Artūras Žukauskas

, is converted to toxic nitrites and N -nitrosocompounds through mammalian and bacterial metabolism. Large amounts of nitrate may be present in leaves and petioles of many leafy vegetables such as lettuce ( Lactuca sativa L.), spinach ( Spinacia

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Ki-Ho Son and Myung-Min Oh

conditions and light spectrum. Seeds of red leaf lettuce ( Lactuca sativa L. ‘Sunmang’; Nongwoo Bio Co., Suwon, Korea) and green leaf lettuce ( Lactuca sativa L. ‘Grand Rapid TBR’; Asia Seed Co., Seoul, Korea) were sown in a 105-plug tray (32 mL/cell, two