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Transportation system for 11CO2 (1989)

McKinney, C. J. ; Fares, Y. ; Musser, R. L. ; [et al.]

[S.l.] : American Institute of Physics (AIP)

Review of Scientific Instruments 60 (1989), S. 783-786

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ISSN: 1089-7623

Source: AIP Digital Archive

Topics: Physics , Electrical Engineering, Measurement and Control Technology

Notes: A transportation system for safe movement of up to 1.0 Ci of 11CO2 from a production facility to an experimental facility 800 m away is described. This development allows plant physiological tracer kinetic studies to be performed in a remote laboratory location which is more suitable for plant growth. It also has the potential to allow field studies to be performed in nearby outdoor field plots.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1063/1.1141019

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Interaction of enriched CO2 and water stress on the physiology of and biomass production in sweet potato grown in open-top chambers (1990)

BHATTACHARYA, N. C. ; HILEMAN, D. R. ; GHOSH, P. P. ; [et al.]

Oxford, UK : Blackwell Publishing Ltd

Plant, cell & environment 13 (1990), S. 0

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ISSN: 1365-3040

Source: Blackwell Publishing Journal Backfiles 1879-2005

Topics: Biology

Notes: Abstract. The objective of this study was to investigate the effects of water stress in sweet potato (Ipomoea batatas L. [Lam] ‘Georgia Jet’) on biomass production and plant-water relationships in an enriched CO2 atmosphere. Plants were grown in pots containing sandy loam soil (Typic Paleudult) at two concentrations of elevated CO2 and two water regimes in open-top field chambers. During the first 12 d of water stress, leaf xylem potentials were higher in plants grown in a CO2 concentration of 438 and 666 μmol mol−1 than in plants grown at 364 μmol mol−1. The 364 μmol mol−1 CO2 grown plants had to be rewatered 2 d earlier than the high CO2-grown plants in response to water stress. For plants grown under water stress, the yield of storage roots and root: shoot ratio were greater at high CO2 than at 364 μmol mol−1; the increase, however, was not linear with increasing CO2 concentrations. In well-watered plants, biomass production and storage root yield increased at elevated CO2, and these were greater as compared to water-stressed plants grown at the same CO2 concentration.