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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2013.1
- 수록면
- 409 - 417 (9page)
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초록· 키워드
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This study was carried out to investigate the possibility of using Triadimefon as a plant growth regulator and salt stress protectant in order to decrease the adverse effects of salt stress. Two Medicago cultivars including Hamedani and Yazdi were treated with 0, 2 mg/L triadimefon (TRD) and 0, 100, and 140 mM NaCl. Salt stress increased $Na^+$, ascorbic acid (AA), reduced glutathione (GSH), reactive oxygen species and phenol contents and activity of ascorbate peroxidase (APX), and glutathione reductase (GR), whereas decreased the $K^+$ content and the activity of polyphenol oxidase (PPO) in both cultivars. When plants were treated with TRD and NaCl, they accumulated less $Na^+$, $K^+$, and ROS. Co-treatment of NaCl and TRD in both cultivars increased AA, GSH, and phenol contents, and the activities of APX and GR, whereas reduced PPO activity. Our results also showed that LEA gene was up-regulated by salt stress. TRD treatment resulted in down-regulation of this gene. Sodium/hydrogen exchanger gene was not affected by either salt or TRD treatments.
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