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저온에 대한 식물의 양분흡수, 탄수화물 및 항산화 반응 특성
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  • 저온에 대한 식물의 양분흡수, 탄수화물 및 항산화 반응 특성
저자명
이수연,정정아,성좌경,하상건,이덕배,김태완,송범헌,Lee. Suyeon,Jung. Jungah,Sung. Jwakyung,Ha. Sangkeun,Lee. Deogbae,Kim. Taewan,Song. Beomheon
간행물명
농업과학연구
권/호정보
2014년|41권 2호|pp.75-83 (9 pages)
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충남대학교 농업과학연구소
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이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
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기타언어초록

Recently, a quick drop of air temperature in plastic film houses by adverse weather conditions leads to the occurrence of low temperature damages to growing crops. Chilling injury, defined as a variety of growth restriction occurring below the optimal temperature, is one of environmental factors strongly affecting crop growth and yield. Low temperature causes the restricted evapotranspiration, reduced mineral uptake (P > K > $NO_3{^-}$), and an increase in electrolyte leakage such as K. Despite being different with plant species, an accumulation of soluble carbohydrates such as glucose, fructose, sucrose and starch under chilling condition is well known. A variety of environmental stresses are known to cause oxidative damage to plants either directly or indirectly by triggering an increased level of production of reactive oxygen species (ROS), and, to combat the oxidative damage, plants have the antioxidant defense systems comprising of enzymes, SOD, POD, CAT, GPX and APX, and non-enzymes, ascorbate, gluthathione, ${alpha}$-tocopherol, phenolic compounds, carotenoid and flavonoids. The aim of this review is to provide basic information to build chilling-indicators and optimal nutrition management under adverse temperature conditions as broadly considering mineral uptake, carbohydrate metabolism and antioxidative defense system.