Zobrazeno 1 - 10
of 101
pro vyhledávání: '"T.W. Tibbitts"'
Publikováno v:
HortScience. 27:427-430
Light-emitting diodes (LEDs) with high-intensity output are being studied as a photosynthetic light source for plants. High-output LEDs have peak emission at ≈660 nm concentrated in a waveband of ±30 nm. Lettuce (Lactuca sativa `Grand Rapids') see
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8de2086d59237593ab40fb12bec01145
https://doi.org/10.21273/hortsci.27.5.427
https://doi.org/10.21273/hortsci.27.5.427
Autor:
T.W. Tibbitts, Weixing Cao
Publikováno v:
HortScience. 29:464g-465
A nutrient delivery system developed for plant growth in space provides a unique system for maintaining a constant, slightly-negative water tension for plant research. The system involves the use of multiple porous stainless steel tubes positioned 4
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::86f7b9038502f97c0dd34a1616534239
https://doi.org/10.21273/hortsci.29.5.464g
https://doi.org/10.21273/hortsci.29.5.464g
Autor:
T.W. Tibbitts
Publikováno v:
Advances in Space Research. 20:1911
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2b8458c817022b966f629f962d52cf2d
https://doi.org/10.1016/s0273-1177(97)00624-8
https://doi.org/10.1016/s0273-1177(97)00624-8
Autor:
T.W. Tibbitts, W. Cao
Publikováno v:
HortScience. 27:614c-614
Three nutrient culture experiments were conducted to determine the responses of potatoes (Solanum Tuberosum L.) to various solution pH levels with NO3, NH4, and mixed NO3/NH4 (1/1) at the same total N of 4 mM. The pH levels were maintained at 4, 5, 6
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::09c1878ddbfb06eb88a00b591068a80e
https://doi.org/10.21273/hortsci.27.6.614c
https://doi.org/10.21273/hortsci.27.6.614c
Autor:
T.W. Tibbitts, W. Cao
Publikováno v:
HortScience. 27:665g-665
The effects of various NH4-N/NO3-N ratios on growth and mineral accumulation in potatoes (Solanum tuberosum cv. Norland) were investigated using a nutrient film technique. Plants were grown for 35 days after transplanting at six NH4-N/NO3-N mixtures
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d23d94fe31cd734c0537b0dad1cdba77
https://doi.org/10.21273/hortsci.27.6.665g
https://doi.org/10.21273/hortsci.27.6.665g
Autor:
W. Cao, T.W. Tibbitts
Publikováno v:
HortScience. 27:590f-590
Plants of three potato (Solanum tuberosum L.) cultivars, Denali, Norland, Russet Burbank, were grown under CO2 concentrations of 500, 1000, 1500, 2000 ppm at each of 16 and 20C temperature levels. In all three cultivars, total plant dry weight on day
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::957d8626934fb77c76c2cdd422e667e8
https://doi.org/10.21273/hortsci.27.6.590f
https://doi.org/10.21273/hortsci.27.6.590f
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NUTRIENT ACCUMULATION IN POTATO PLANTS GROWN IN NFT AT VARIED FLOW RATES AND SOLUTION CONCENTRATIONS
Autor:
W. Cao, T.W. Tibbitts
Publikováno v:
HortScience. 25:1151b-1151
A modified nutrient film technique (NFT) with a shallow granite medium was developed to control the flow rate and concentration of nutrients to which potato plants were subjected. Flow rates were 2, 4, and 8 ml per minute with balanced nutrient conce
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8371ff352369cd70e93940f7a3720274
https://doi.org/10.21273/hortsci.25.9.1151b
https://doi.org/10.21273/hortsci.25.9.1151b
Publikováno v:
Journal of the American Society for Horticultural Science. 108:622-630
Plants of lettuce (Lactuca sativa L. cv. Grand Rapids), spinach (Spinacia oleracea cv. Bouquet), white mustard (Sinapis alba L.), and wheat (Triticum aestivum L. cv. Karamu) were grown at 2 photosynthetic photon flux densities (PPFD 400 to 700 nm at
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5bbab475b5d54acf4172c97204cf34ef
https://doi.org/10.21273/jashs.108.4.622
https://doi.org/10.21273/jashs.108.4.622
Publikováno v:
Journal of the American Society for Horticultural Science. 110:362-365
Latex pressures in laticifers of lettuce, Lactuca sativa L., were obtained by inserting capillary tubes into vascular traces within leaves and stems. The pressure was determined by monitoring the counter pressure of compressed gas required to prevent
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2c43b0741deb6b07460c10707b949e14
https://doi.org/10.21273/jashs.110.3.362
https://doi.org/10.21273/jashs.110.3.362