지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2021.6
- 수록면
- 194 - 200 (7page)
- DOI
- 10.7783/KJMCS.2021.29.3.194
이용수
초록· 키워드
오류제보하기
Background: Abrupt cold, especially frost after seedling emergence, in spring causes servere losses in ginseng yield as it is a perennial crop and has a determinate growth. Although abnormal temperature occurs more frequently, the physiological aspects of ginseng to cold stress are poorly understood. Here we report the freezing response of ginseng under artificial conditions.
Methods and Results: Cold treatment at -4℃ for 16 h resulted in a 21.4% damage rate in a cold chamber, however, no damage was observed at -2℃ and -4℃ for 2, 4, 6, or 8 h. High humidity increased the damage rate to 59.9% even at the higher temperature (RH 95%, -3℃) than the ambient temperature (RH 66%, -4℃) of the cold chamber. Seedlings early in the leaf expansion were damaged more than older ones. The quantum yield (Fv/Fm) of cold-damaged seedlings was lower than the control or seedlings without visual symptoms. The root weight of a damaged seedling one month after cold treatment was 58% of control.
Conclusions: Our results suggested that visual symptoms are correlated with photosynthetic ability and yield after freezing stress in ginseng. We expect our results to contribute to the further understanding of ginseng freezing stress.
Methods and Results: Cold treatment at -4℃ for 16 h resulted in a 21.4% damage rate in a cold chamber, however, no damage was observed at -2℃ and -4℃ for 2, 4, 6, or 8 h. High humidity increased the damage rate to 59.9% even at the higher temperature (RH 95%, -3℃) than the ambient temperature (RH 66%, -4℃) of the cold chamber. Seedlings early in the leaf expansion were damaged more than older ones. The quantum yield (Fv/Fm) of cold-damaged seedlings was lower than the control or seedlings without visual symptoms. The root weight of a damaged seedling one month after cold treatment was 58% of control.
Conclusions: Our results suggested that visual symptoms are correlated with photosynthetic ability and yield after freezing stress in ginseng. We expect our results to contribute to the further understanding of ginseng freezing stress.
목차
ABSTRACT
서언
재료 및 방법
결과 및 고찰
REFERENCES
참고문헌 (30)
참고문헌 신청
Anderson KA / 1980 / Phenological development of different Vitis(grape)cultivars(Relation to freeze damage) / Fruit Varieties Journal 34:5~7
Andrews PK / 1984 / Deep supercooling of dormant and deacclimating Vitis buds / American Journal of Enology and Viticulture 35:175~177
Arias NS / 2015 / Freezing avoidance by supercooling in Olea europaea cultivars: The role of apoplastic water, solute content and cell wall rigidity / Plant, Cell and Environment 38:2061~2070
Boostma A / Freeze protection methods for crops
Cameron RWF / 1997 / Air temperature, humidity and rooting volume affecting freezing injury to Rhododendron and other perennials / Journal of Horticultural Science 72:553~562
Andrews PK / 1984 / Deep supercooling of dormant and deacclimating Vitis buds / American Journal of Enology and Viticulture 35:175~177
Arias NS / 2015 / Freezing avoidance by supercooling in Olea europaea cultivars: The role of apoplastic water, solute content and cell wall rigidity / Plant, Cell and Environment 38:2061~2070
Boostma A / Freeze protection methods for crops
Cameron RWF / 1997 / Air temperature, humidity and rooting volume affecting freezing injury to Rhododendron and other perennials / Journal of Horticultural Science 72:553~562
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