Main Title |
Effects of Supplemental Ultraviolet-B Radiation on the Growth and Physiology of Field-Grown Soybean. |
Author |
Murali, N. S. ;
Teramura, A. H. ;
|
CORP Author |
Maryland Univ., College Park. Dept. of Botany.;Corvallis Environmental Research Lab., OR. |
Year Published |
1986 |
Report Number |
EPA-R-808035; EPA/600/J-86/378; |
Stock Number |
PB87-212866 |
Additional Subjects |
Ultraviolet radiation ;
Plant growth ;
Soybean plants ;
Plant physiology ;
Ozone ;
Reduction ;
Summer ;
Leaves(Botany) ;
Carbon dioxide ;
Transpiration ;
Sensitivity ;
Plant reproduction ;
Tests ;
Reprints ;
|
Holdings |
Library |
Call Number |
Additional Info |
Location |
Last Modified |
Checkout Status |
NTIS |
PB87-212866 |
Some EPA libraries have a fiche copy filed under the call number shown. |
|
07/26/2022 |
|
Collation |
12p |
Abstract |
Soybeans were grown outdoors in field plots during 1983 and 1984 under ambient and 2 supplemental levels of biologically effective ultraviolet-B (UV-B) radiation (daily supplemental dose: 3.0 or 5.1 effective. These correspond to a 16 and 25% ozone reduction during clear sky conditions on the summer solstice. In 1983, neither cultivar showed any significant differences in growth, CO2 assimilation, transpiration, stomatal conductance nor leaf water potential under enhanced levels of UV-B irradiation. By contrast in 1984, during late vegetative and early reproductive stages of development, leaf area and CO2 assimilation in Essex were significantly reduced while stomatal conductance was increased by UV-B irradiation. The study illustrates that the effectiveness of enhanced levels of UV-B radiation is related to several factors, including microclimatic conditions prevailing during the growing season, cultivar, and the stage of plant development. |
Supplementary Notes |
Pub. in Environmental and Experimental Botany, v26 n3 p233-242 1986. Sponsored by Corvallis Environmental Research Lab., OR. |
NTIS Title Notes |
Journal article. |
Title Annotations |
Reprint: Effects of Supplemental Ultraviolet-B Radiation on the Growth and Physiology of Field-Grown Soybean. |
PUB Date Free Form |
c1986 |
Category Codes |
98D; 68A |
NTIS Prices |
PC A02/MF A01 |
Primary Description |
600/02 |
Document Type |
NT |
Cataloging Source |
NTIS/MT |
Control Number |
724627678 |
Origin |
NTIS |
Type |
CAT |