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방사선 완∙급조사에 따른 벼의 생리적 영향 평가

Physiological Responses of Rice by Acute and Chronic Gamma Irradiation

김상훈|김선희|김진백|송미라|장덕수|하보근|강시용|김동섭
(사)한국방사선산업학회 (Korean Society of Radiation Industry)|2011.03|방사선산업학회지 (Journal of Radiation Industry)|제5권 제1호|pp. 55-62|DOI 10.23042/radin.2011.5.1.55

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키워드

Physiological responseGamma-raysAcute-irradiationChronic-irradiation

초록

We investigated the physiological responses by acute and chronic gamma-irradiation inrice. The rice, Oryza sativa L. cv Dongan, plants were irradiated with 100 and 400 Gy of gammaraysfor acute and chronic irradiation, and their morphological, chlorophyll content, MDA, prolineand activities of antioxidant enzymes were examined. The plant height of chronic irradiation sampleswere decrease with increase of a does than the control, but the number of tiller and dry weightof shoot were increased 100 Gy. Carotenoid and chrolorphyll content were decreased of all irradiatedplants than non-irradiated plants. But, MDA and proline content were increased in 400 Gyboth acute and chronic gamma irradiation. And the activities of antioxidant enzymes were differentas gamma-irradiation patterns.

Abstract

We investigated the physiological responses by acute and chronic gamma-irradiation inrice. The rice, Oryza sativa L. cv Dongan, plants were irradiated with 100 and 400 Gy of gammaraysfor acute and chronic irradiation, and their morphological, chlorophyll content, MDA, prolineand activities of antioxidant enzymes were examined. The plant height of chronic irradiation sampleswere decrease with increase of a does than the control, but the number of tiller and dry weightof shoot were increased 100 Gy. Carotenoid and chrolorphyll content were decreased of all irradiatedplants than non-irradiated plants. But, MDA and proline content were increased in 400 Gyboth acute and chronic gamma irradiation. And the activities of antioxidant enzymes were differentas gamma-irradiation patterns.

참고문헌 (42)

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