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논문 기본 정보

자료유형
학술저널
저자정보
Baek Myung-Hwa (Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute) Chung Byung-Yeoup (Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute) Kim Jin-Hong (Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute) Wi Seung-Gon (Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute) Kim Jae-Sung (Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute) Lee In-Jung (Department of Agronomy, Kyungpook National University)
저널정보
한국식물학회 식물학회지 식물학회지 제49권 제3호
발행연도
2006.1
수록면
257 - 260 (4page)

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초록· 키워드

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We investigated the effects of jasmonic acid (JA) and gamma irradiation on the growth and metabolic responses to salt stress in rice (Oryza sativa L.) plants. The relative growth rate (RGR), relative water content (RWC), and chlorophyll (Chl) content were lower in NaCl-treated plants than in the control, whereas the malondialdehyde content (MDA), electrolyte leakage (EL), and contents of proline and abscisic acid (ABA) were higher in the treated plants. When induced by the salt stress, those effects, however, were somewhat alleviated by the application of JA or gamma irradiation. The most significant response was manifested by the proline content, with relatively lower values for alleviation being recorded for the contents of RGR, RWC, Chl, and MDA, as well as EL. Moreover, although total Chl content was not significantly influenced by JA or gamma irradiation in plants under salt stress, an increase in the level of chl a resulted in a markedly changed ratio of chl a/b. The degree of alleviation, in terms of growth and metabolic responses, was more extensive for JA-treated plants than for those exposed to gamma irradiation.

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