Search Results

You are looking at 41 - 50 of 95 items for :

Clear All
Free access

Edward J. Nangle, David S. Gardner, James D. Metzger, John R. Street and T. Karl Danneberger

Management of turfgrass under NS and DS conditions is difficult. Wear tolerance is reduced as a result of altered plant physiology in response to loss of light. In shaded [NS and DS with photosynthetically active radiation ( PAR ) less than 90% full

Open access

Dave Hawley, Thomas Graham, Michael Stasiak and Mike Dixon

for bud yield, and commercial cannabis producers are typically guarded with their production strategies. Nonetheless, one could assume that producers are using the typical production strategies of high light intensities and CO 2 concentrations in an

Open access

Celina Gómez and Juan Jiménez

. Yoshihara, T. 2010 Blue light-emitting diode light irradiation of seedlings improves seedling quality and growth after transplanting in red leaf lettuce HortScience 45 1809 1814 Khare, M. Guruprasad, K.N. 1993 UV-B induced anthocyanin synthesis in maize

Free access

Kaori Itagaki, Toshio Shibuya, Motoaki Tojo, Ryosuke Endo and Yoshiaki Kitaya

supplemental UV-B radiation in greenhouses can be augmented or reduced by background radiation quality Plant Dis. 98 1349 1357 Suthaparan, A. Torre, S. Stensvand, A. Herrero, M.L. Pettersen, R.I. Gadoury, D.M. Gislerød, H.R. 2010 Specific light-emitting diodes

Free access

Angela R. Beaman, Richard J. Gladon and James A. Schrader

periods of time, indicating that daily light integral may be a key factor in edible biomass production of salad crops ( Koontz and Prince, 1986 ; Oda et al., 1989 ). Leaf photosynthesis in most C 3 plants saturates at ≈500 μmol·m −2 ·s −1 , but whole

Free access

Joshua K. Craver, Chad T. Miller, Kimberly A. Williams and Daniel L. Boyle

comparison. Light quality, specifically ultraviolet B (UVB) radiation, was found to be directly related to preventing or reducing lesion development on ornamental sweetpotato (J.K. Craver, C.T. Miller, K.A. Williams, and N.M. Bello, unpublished data) and

Free access

Xiang Wang, Rajeev Arora, Harry T. Horner and Stephen L. Krebs

). As understory evergreen plants in the deciduous forests, leaves of most rhododendrons are commonly exposed to a combination of freezing temperatures and high light in their natural habitat during winter. A previous study in our laboratory indicated

Full access

Haijie Dou, Genhua Niu, Mengmeng Gu and Joseph G. Masabni

; Touliatos et al., 2016 ). The utilization efficiency of land, water, CO 2 , and light energy in indoor vertical farming were 100, 40, 2, and 1.7 times of those in greenhouses, respectively ( Kozai, 2007 ; Ohyama et al., 2003 ; Yokoi et al., 2005 ). In

Full access

Natalie R. Bumgarner, Mark A. Bennett, Peter P. Ling, Robert W. Mullen and Matthew D. Kleinhenz

, photosynthetically active radiation [ PAR (LI250-A; LI-COR Biosciences, Lincoln, NE)] and ultraviolet (UV) radiation measurements in the UV-A and UV-B regions (IL1350 radiometer/photometer; International Light, Peabody, MA) in individual microclimates were taken

Open access

Hui-juan Zhou, Xia-nan Zhang, Ming-shen Su, Ji-hong Du, Xiong-wei Li and Zheng-wen Ye

. (2004) reported that concentrations of putrescine, spermine, and spermidine in peaches were higher with improved quality after treatment with UVC for 3 to 5 min. Scattino et al. (2014) showed that ultraviolet-B (UVB) radiation could influence the