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
- 2022.4
- 수록면
- 99 - 107 (9page)
- DOI
- 10.7783/KJMCS.2022.30.2.99
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초록· 키워드
오류제보하기
Background: Abrupt temperature decline to freezing temperature in late spring results in severe damage to ginseng. Here we artificially applied freezing stress on ginseng and investigated the damage effects on its growth and saponin contents.
Methods and Results: Freezing stress was applied on 2-year-old ginseng in the pots or 3-year-old ginseng in the field. After 1 month of freezing treatment, the damage degree of the shoot was evaluated as ‘dead’, ‘damage > 50%’, ‘damage < 50%’, and ‘healthy’. Roots were harvested after 4 months, and the growth properties were examined according to the shoot damage degree. In both experiments, there was a clear difference in root length, root diameter, and root weight in the order of shoot damage degree. The correlation coefficient between plant height and root weight was 0.979, and the regression model was obtained as Y = 0.5211 × e<SUP>0.0806X</SUP>, where Y is root weight and X is shoot length (R² = 0.9947). Total saponin content was the highest in ‘healthy’.
Conclusions: Freezing stress in the early stage of ginseng had significant effect on root growth according to the remaining leaf area. We assume that these results will help evaluating the damage caused by freezing stress.
Methods and Results: Freezing stress was applied on 2-year-old ginseng in the pots or 3-year-old ginseng in the field. After 1 month of freezing treatment, the damage degree of the shoot was evaluated as ‘dead’, ‘damage > 50%’, ‘damage < 50%’, and ‘healthy’. Roots were harvested after 4 months, and the growth properties were examined according to the shoot damage degree. In both experiments, there was a clear difference in root length, root diameter, and root weight in the order of shoot damage degree. The correlation coefficient between plant height and root weight was 0.979, and the regression model was obtained as Y = 0.5211 × e<SUP>0.0806X</SUP>, where Y is root weight and X is shoot length (R² = 0.9947). Total saponin content was the highest in ‘healthy’.
Conclusions: Freezing stress in the early stage of ginseng had significant effect on root growth according to the remaining leaf area. We assume that these results will help evaluating the damage caused by freezing stress.
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