Zobrazeno 1 - 10
of 37
pro vyhledávání: '"C. Ray Thompson"'
Publikováno v:
Journal of Environmental Quality. 15:326-334
An air exclusion system was designed, constructed, and tested to determine its effectiveness in studies of air pollutant effects on vegetation. The air exclusion system was shown to be an effective alternative to open-top field chambers for controlle
Autor:
C. Ray Thompson, Gerritt Kats
Publikováno v:
Environmental Science & Technology. 9:35-38
Young navel orange trees and branches of a mature tree were enclosed and exposed for two years at Riverside, California, to activated carbon-filtered air, carbon-filtered air plus ambient levels of peroxyacetyl nitrate (PAN), or ambient air. The grow
Publikováno v:
Journal of Environmental Quality. 15:417-422
Publikováno v:
Agriculture, Ecosystems & Environment. 14:103-117
Three cultivars of rice, Oryza sativa, M7, M9 and S201 were exposed in open-top field chambers to ozone and sulfur dioxide to determine the effects of these important air pollutants on field-grown plants. Exposures were for 15 weeks with ozone at 0,
Publikováno v:
Environmental Science & Technology. 13:1263-1268
Six compounds emitted in the manufacture of the explosives 2,4,6-trinitotroluene and hexahydro-1,3,5-trinitro-1,3,5-triazine were tested for phytotoxicity on seven plant species. These compounds were mixed nitrotoluenes, methyl nitrate, tetranitromet
Publikováno v:
Agriculture, Ecosystems & Environment. 20:37-47
The effects of sulfur dioxide on buffering capacity, chlorophyll content, stomatal conductance, mineral composition and leaf injury of winter wheat ( Triticum aestivum , cv. Yecora Rojo) were studied. Plants were exposed to sulfur dioxide (0, 79, 183
Publikováno v:
Journal of Environmental Quality. 15:363-369
Publikováno v:
Journal of the Air Pollution Control Association. 34:1017-1022
Forty-seven species of annual plants from the Mojave Desert were grown in pots and exposed in open-top field chambers located at Riverside, California to test their relative sensitivity to SO/sub 2/ and O/sub 3/. Exposures were 8 h/day for four or fi
Autor:
C. Ray Thompson, Gerrit Kats
Publikováno v:
Environmental Science & Technology. 12:550-553
Autor:
Ghong W. Chang, C. Ray Thompson
Publikováno v:
Physiologia Plantarum. 19:911-918
Corn seeds were treated with 0.01 M sodium fluoride for various time periods. The treated seeds were germinated and grown until the seedling roots reached a standard size of 12±3 mm. Analyses were made for RNA and DNA contents of 3-mm seedling root