한국환경과학회지 (Journal of Environmental Science International)

  • 제28권11호
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  • Pages.907-915
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  • 2019
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  • 1225-4517(pISSN)
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  • 2287-3503(eISSN)
한국환경과학회 (The Korean Environmental Sciences Society)
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염화물계 제설제의 농도처리에 따른 벼과와 국화과의 종자 발아특성

Effect of Chloride-containing Deicing Salts Concentration on the Germination Characteristics of Six Species of Asteraceae and Poaceae Seeds

  • 양지 (건국대학교 대학원 녹색기술융합학과) ;
  • 이재만 (건국대학교 대학원 녹색기술융합학과) ;
  • 송희연 (건국대학교 대학원 녹색기술융합학과) ;
  • 박선영 (건국대학교 대학원 녹색기술융합학과) ;
  • 윤용한 (건국대학교 녹색기술융합학과) ;
  • 주진희 (건국대학교 녹색기술융합학과)
  • Yang, Ji (Department of Green Technology Convergence, College of Science and Technology, Graduate School of Konkuk University) ;
  • Lee, Jae-Man (Department of Green Technology Convergence, College of Science and Technology, Graduate School of Konkuk University) ;
  • Song, Hee-Yeon (Department of Green Technology Convergence, College of Science and Technology, Graduate School of Konkuk University) ;
  • Park, Sun-Young (Department of Green Technology Convergence, College of Science and Technology, Graduate School of Konkuk University) ;
  • Yoon, Yong-Han (Department of Green Technology Convergence, College of Science and Technology, Konkuk University) ;
  • Ju, Jin-Hee (Department of Green Technology Convergence, College of Science and Technology, Konkuk University)
  • 투고 : 2019.02.21
  • 심사 : 2019.11.14
  • 발행 : 2019.11.30
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초록

This study aims to identify the most tolerant species under salinity stress from amongst Asteraceae and Poaceae. The seeds of six species were exposed to different concentrations of $CaCl_2$ (0, 9, 18, 45, 90 mM) and NaCl (0, 17, 34, 85, 170 mM), and germination was measured once every two days. The results indicated that percent germination of the six species of Asteraceae and Poaceae seeds were affected differently by changes in salinity concentration. Seed germination was reduced as salinity levels increase, and longer mean germination times correlated to lower percent germination and earlier germination cessation. Both Asteraceae and Poaceae seeds had the highest germination rates at 18 mM $CaCl_2$ and 34 mM NaCl, and seed germination and growth were severely reduced at salinities greater than 90 mM $CaCl_2$ and 170 mM NaCl. In the seeds of Poaceae, salt resistance was strong in the order of Miscanthus sinensis Andersson, Pennisetum alopecuroides (L.) Spreng., and Phragmites communis Trin. In the seeds of Asteraceae, salt resistance was strong in the order of Dendranthema zawadskii var. latilobum (Maxim.) Kitam, Aster yomena (Kitam.) Honda, and Dendranthema boreale (Makino) Ling ex Kitam.. Overall, the germination rate was higher in Asteraceae than in Poaceae. This study demonstrated that Dendranthema zawadskii var. latilobum (Maxim.) Kitam. is the most tolerant species and that a relationship exists between the salt tolerance of percent germination and the mean germination time in the leaves.

키워드

참고문헌

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