Influence of experimental end points, dose, dose rate, neutron energy, nitrogen ions, hypoxia, chromosome volume and ploidy level on RBE in Tradescantia stamen hairs and pollen
Conference
·
OSTI ID:4406473
From effects of neutron irradiation upon cell function; Neuherberg, F.R. Germany (22 Oct 1973). Procedures are described for irradiating Tradescantia cuttings with neutrons and x rays. Stamen hairs were scored for various mutations. Results are discussed under the following headings: experimental end points and RBE; influence of dose on RBE; effect of dose rate on RBE; influence of neutron energy on RBE; the RBE of 3.9 GeV nitrogen ions; the influence of hypoxia (OER); and the influence of chromosome volume and ploidy level on RBE; pollen abortion data. Graphs are presented to show survival curves for stamen hairs after neutron and x irradiation and neutron and x-ray dose-response curves for pink mutants, blue giant cells. and colorless mutants. (HLW)
- Research Organization:
- Columbia Univ., New York (USA). Coll. of Physicians and Surgeons; Brookhaven National Lab., Upton, N.Y. (USA)
- NSA Number:
- NSA-29-005308
- OSTI ID:
- 4406473
- Report Number(s):
- BNL--18266; CONF-731038--1; SM--179-31
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
*POLLEN-- BIOLOGICAL RADIATION EFFECTS
*STAMEN-- BIOLOGICAL RADIATION EFFECTS
*TRADESCANTIA-- MUTATIONS
CHROMOSOMES
DOSE RATES
ENERGY
N48410* --Life Sciences--Radiation Effects on Plants--Basic Studies
NITROGEN IONS
PHOTON BEAMS
PLOIDY
RADIATION DOSES
SURVIVAL CURVES
VOLUME
X RADIATION RADIOINDUCTION
*STAMEN-- BIOLOGICAL RADIATION EFFECTS
*TRADESCANTIA-- MUTATIONS
CHROMOSOMES
DOSE RATES
ENERGY
N48410* --Life Sciences--Radiation Effects on Plants--Basic Studies
NITROGEN IONS
PHOTON BEAMS
PLOIDY
RADIATION DOSES
SURVIVAL CURVES
VOLUME
X RADIATION RADIOINDUCTION