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Robert Andrew Kerr, Lambert B. McCarty, Matthew Cutulle, William Bridges, and Christopher Saski

%) germination with fluctuating temperatures; 20 °C for 16 h and 35 °C for 8 h with supplemental light. Kerr et al. (2018) noted goosegrass life cycle was complete 68 d after emergence in late-summer/early autumn in Clemson, SC. Typically, goosegrass plants are

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Carl W. Coburn, Albert T. Adjesiwor, and Andrew R. Kniss

fertilizer was applied. Day and night temperatures were maintained at 22 and 20 °C, respectively. A supplemental light (Sun System; Sunlight Supply, Vancouver, WA) was used to extend the photoperiod (16 h light and 8 h dark) throughout the experiments. In

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Nicholas P. Howard, Dennis Stimart, Natalia de Leon, Michael J. Havey, and William Martin

media (Conrad Fafard, Agawam, MA) and grown under a 40% shadecloth canopy with no supplemental light. After 2 weeks, plants were fertilized once per week with 100 mg·L −1 nitrogen (N) of 21N–2.2P–16.6K fertilizer (Peters Excel; Scott's, Marysville, OH

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Kimberly Moore, Charles Wajsbrot, Cristina Burgart, and Luci Fisher

. Cool white fluorescent lights [Twister Mini 23 W (100-W) bulbs; Phillips Lighting North American Corp., Somerset, NJ] were placed on the counter to provide 96 µmol·m −2 ·s −1 of supplemental light (Quantum Meter; Apogee Instruments, Logan, UT) for 12 h

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Kristin L. Getter

photoperiod (0600 to 2200 hr ) was maintained in each greenhouse with a combination of sunlight and high-pressure sodium (HPS) lamps. In addition, plants received supplemental light of ≈90 μmol·m −2 ·s −1 from HPS lamps when the ambient photosynthetic photon

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Zunfu Lv, Simeng Zhang, and Guoquan Lu

conditions and harvesting times on the quality of sweet potato sprouts in hydroponic culture. Zhejiang Agriculture and Forestry University, Hangzhou, China, doi: 10.7666/d.Y2977747 Li, Q. Kubota, C. 2009 Effects of supplemental light quality on growth and

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Theoharis Ouzounis, Eva Rosenqvist, and Carl-Otto Ottosen

roses ( Rosa hybrida cv. Marimba) have demonstrated that plant growth, photosynthesis, and flowering increased with increasing irradiance at low daily light integrals (DLIs), where light is limited and supplemental light is being used ( Moe, 1997 ; Mor

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James E. Faust and Joanne Logan

vulgaris is affected by temperature, photoperiod and daily light integral Scientia Hort. 95 99 110 Kjaer, K.H. Ottosen, C-O. 2011 Growth of chrysanthemum in response to supplemental light provided by irregular light breaks during the night J. Amer. Soc

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Zhengnan Yan, Dongxian He, Genhua Niu, Qing Zhou, and Yinghua Qu

.C. Qiao, X.J. 2016 Growth and nutritional properties of lettuce affected by mixed irradiation of white and supplemental light provided by light-emitting diode Scientia Hort. 200 111 118 Colonna, E. Rouphael, Y. Barbieri, G. Pascale, S.D. 2016 Nutritional

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A. Maaike Wubs, Ep Heuvelink, Leo F.M. Marcelis, Robert C.O. Okello, Alisa Shlyuykova, Gerhard H. Buck-Sorlin, and Jan Vos

. Experiments comprised half of the rows in the greenhouse; the other half of the rows was used for other experiments or undergoing reset flushes. Supplemental light was provided by high-pressure sodium lamps (600 W; Philips, Eindhoven, The Netherlands) which