Transfer of radiocesium from the upper part of rice plants after treatment at different growth stages

This study investigated the effect of Cs-137 absorbed from the upper part (surface of leaves and husk) of rice plants and its accumulation in grains. Cesium-137 content in brown rice plants sprayed with Cs-137 onto the plant surface before ear emergence, flowering, and grain filling stages were 5, 1...

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Bibliographic Details
Published in:Journal of radioanalytical and nuclear chemistry 2018-10, Vol.318 (1), p.575-578
Main Authors: Ohmae, Y., Nihei, N., Hirose, A., Kobayashi, N. I., Tanoi, K., Takata, D., Nakanishi, T. M.
Format: Article
Language:English
Subjects:
Cesium
Cesium 137
Chemistry
Chemistry and Materials Science
Diagnostic Radiology
Flowering
Grains
Hadrons
Heavy Ions
Inorganic Chemistry
Nuclear Chemistry
Nuclear energy
Nuclear Physics
Nuclear power plants
Physical Chemistry
Plants (botany)
Rice
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Summary:This study investigated the effect of Cs-137 absorbed from the upper part (surface of leaves and husk) of rice plants and its accumulation in grains. Cesium-137 content in brown rice plants sprayed with Cs-137 onto the plant surface before ear emergence, flowering, and grain filling stages were 5, 109, and 76 Bq/kg, respectively. Comparison of Cs-137 concentration between mature and immature grains revealed that brown rice can easily absorb Cs-137 at the beginning of grain filling.
ISSN:0236-5731
1588-2780
DOI:10.1007/s10967-018-6170-0