CYTOLOGICAL ABERRATIONS OBSERVED IN BARLEY EMBRYOS. CULTURED IN IRRADIATED POTATO MASH

Journal Article · Thu Feb 01 04:00:00 EST 1962 · Radiation Research

DOI:https://doi.org/10.2307/3571199· OSTI ID:4789082

Swaminathan, M S; Chopra, V L; Bhaskaran, S

S>Several cytological abnormalities were found during mitosis in the root tips of 2x and 4x barley when embryos excised from unirradiated mature seeds were grown on -potato mash irradiated with 20, 40, and 80 kr of x rays. Critical scoring could be done only for cells containing micronuclei, and the frequency of such cells increased with the x-ray dosage. Cells with micronuclei also occurred in embryos grown on unirradiated potato mash, but their frequency was significantly increased when irradiated potato mash was used. The increase in the frequency of aberrant cells was lower in 4x barley and also when the embryos were grown in a pure O/sub 2/ atmosphere immediately after their transfer to the irradiated potato medium. The high moisture content of the potato tubers used for irradiation (70%) precludes the possibility that the radiomimetic principle involved could be either organic free radicals or stored energy. (auth)

• Research Organization: Indian Agricultural Research Inst., New Delhi
• Sponsoring Organization: USDOE
• NSA Number: NSA-16-017505
• OSTI ID: 4789082
• Journal Information: Radiation Research, Journal Name: Radiation Research Vol. Vol: 16
• Country of Publication: Country unknown/Code not available
• Language: English

Related Subjects

ATMOSPHERE
BARLEY
BIOLOGY AND MEDICINE
CEREALS
CYTOLOGY
EMBRYOS
ENERGY LEVELS
FREE RADICALS
HUMIDITY
MITOSIS
OXYGEN
PLANT CELLS
POTATOES
RADIATION DOSES
RADIATION EFFECTS
RADIOBIOLOGY
ROOTS
SEEDS
X RADIATION