Journal of Korean Society of Forest Science (한국산림과학회지)
- Volume 84 Issue 4
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- Pages.424-431
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- 1995
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- 2586-6613(pISSN)
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- 2586-6621(eISSN)
Physiological Responses of One-year-old Zelkova serrata Makino Seedlings to Ozone in Open-top Chamber
Open-top chamber 내(內)에서 오존에 폭로(暴露)시킨 1년생(年生) 느티나무(Zelkova serrata Makino) 묘목(苗木)의 생리적(生理的) 반응(反應)에 관(關)한 연구(硏究)
- Kim, Hyun Seok (Department of Forest Resources, Seoul National University) ;
- Lee, Kyung Joon (Department of Forest Resources, Seoul National University)
- Received : 1995.06.26
- Published : 1995.12.31
Abstract
This study was conducted to evaluate resistance and physiological responses of Zelkova serrata Makino seedlings to ozone in open-top chamber. One-year-old seedlings of Zelkova serrata were planted in pots in April and grown in greenhouse until August. The plants were transferred into two out-door open-top chambers with a dimension of 2.0 m in diameter and 2.0 m in height. First chamber served as a control and was supplied with ambient air. Ozone was added to the second chamber for 5 hours per day(10.00 AM-15.00 PM) for 23 consecutive days at 0.1 ppm. Each chamber housed 70 pots. Every two, three or five days after initiation of exposure, ten pots were randomly removed from the chamber and determined for the contents of chlorophyll a, b, total chlorophyll and
이 연구는 open-top chamber내에서 오존 가스에 폭로시킨 느티나무(Zelkova serrata Makino)의 저항성과 생리적 반응을 구명하기 위하여 수행되었다. 화분에 심어 4월에서 8월까지 온실에서 키운 1년생 느티나무 묘목을 야외에 설치한 두개의 open-top chamber(직경2m, 높이2m)에 70본씩 나누어 넣은 후, 한 chamber는 오존 가스 처리구로, 다른 chamber는 대조구로 실험에 이용하였다. 오존 가스 처리구에는 하루 5시간씩(10.00 AM-15.00 PM) 23일 간 0.1ppm 농도의 오존을 폭로하였으며, 대조구는 일반 대기에 노출시켰다. 오존 가스에 폭로 후 2일, 3일, 혹은 5일마다 각 chamber에서 10본씩의 묘목을 임의로 꺼내어 엽록소 a, b의 양, 총엽록소의 양,
Keywords
- Zelkova serrata Makino;
- ozone;
- open-top chamber;
- chlorophyll;
- ${\beta}$-carotene;
- photosynthesis;
- dark respiration;
- SOD(superoxide dismutase)