Physiological Responses Against Salt Stress of Salix gracilistyla

서지정보

ㆍ발행기관 : 경상대학교 농업생명과학연구원 ㆍ수록지정보 : 농업생명과학연구 / 51권 / 3호
ㆍ저자명 : Hyun Jin Song, Kim Min Su

영어 초록

in vitro studies on salt torerance was carried out with Salix gracilistyla. Shoot growth of plants treated with NaCl showed statistically significances among different levels of concentration(0200 mM) on 1/2MS medium. Plant growth was not grown at in higher concentration than 75 mM and plants were dead over 150 mM Nacl Browned leaf was observed from 14 days at higher concentration than then 75 mM NaCl, and chlorophyll content was dramatically decreased. Main roots and rootlet in same concentrates(75 mM) or high NaCl treatment were changed the color to black. The proline and sugar contents were dramatically increased in the higher than 75 mM NaCl treatments after 14 - 15 days. To determine NaCl and minerals in salt stressed plants, leaf, stem and root of in vitro plant were subjected to ICP analysis. Na content was increased with culture days in all three parts. These results suggest that S. gracilistyla can be used vegetative restoration in coastal wetlands reclaimed.

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