Woodstock, L.W. and Justice, O.L. (1967) Radiation-induced changes in respiration of corn, wheat, sorghum and radish seeds during initial stages of germination in relation to subsequent seedling growth. Radiation Botany, 7 (2). pp. 129-136.
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Abstract
Seeds of corn, wheat, sorghum and radish were exposed to 0-, 5-, 20- or 80-krad doses of γ-radiation from a 60Co source. Doses of 80 krad caused marked inhibition in seedling growth and inhibited the rate of respiration in all four species. A decrease in oxygen uptake and an increase in R.Q. values, at this dose, could be detected within 6 hr after planting when respiration was measured in an atmosphere of 100 percent oxygen. Doses of 20-krad caused no significant inhibition in seedling growth and did not inhibit respiration. Five krad caused slight, but consistent, stimulations in seedling growth. At this dose, an increase in oxygen uptake, a decrease in R.Q. values, or both, was observed in corn, wheat, and sorghum, but not in radish seeds.
| Item Type: | Article |
|---|---|
| Author Affiliation: | Market Quality Research Division, Agricultural Research Service, U.S. Department of Agriculture, Beltsville, Maryland, U.S.A. |
| Subjects: | Plant Production Plant Physiology and Biochemistry > Biochemistry |
| Divisions: | Maize Sorghum |
| Depositing User: | Sandhya Gir |
| Date Deposited: | 14 Nov 2010 20:06 |
| Last Modified: | 14 Nov 2010 20:06 |
| Official URL: | http://dx.doi.org/10.1016/S0033-7560(67)80007-3 |
| URI: | http://eprints.icrisat.ac.in/id/eprint/612 |
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