국가연구개발성과
논문 (학술지)
토양 건조 스트레스와 기온상승에 의한 고추의 생리반응 및 생산량 변화
| 등록번호 | RPMS-2018-0090691622 | SCI 구분
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※구분 : SCI(SCIE포함), 비SCI |
비SCI |
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| 저자명 (주·공동저자) | 이상규 ; 이희주; 김성겸; 문보흠; 이진형; 이희수; 도경란 ※ 과제 참여정보와 일치하는 연구자 상세정보로 정확하지 않을 수 있습니다. 동일저자 논문보기 |
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| 논문구분 | 국내전문학술지 | 학술지명 | 한국환경과학회지 |
| ISSN | 1225-4517 | 학술지 출판일자 | - |
| 학술지 볼륨번호 | 27 | 논문페이지 | 251 ~ 259 |
| 학술지 임팩트팩터 | 0.3681 | 기여율 | 100 % |
| DOI | 10.5322/JESI.2018.27.4.251 | ||
| 초록 | This study was conducted to determine the effects of combination of air temperature and soil water content on the growth, physiological disorder rate, and yield of hot peppers. The study was carried out in a typical plastic house (open on one side and with ventilation fans on the other side), which was maintained with gradient air temperature (maximum difference in air temperature: $6^{\circ}C$ ). The deficit irrigation (DI) treatment commenced 65 days after transplanting. The height of plant and fresh and dry weights of the stem increased at high air temperature (ambient + $6^{\circ}C$ , extreme high temperature; EHT). Furthermore, the leaf area decreased significantly with the DI treatment. There were no significant differences in the stem diameter, number of branches, and fresh and dry weights of the leaves among all the treatments. The net photosynthesis rate of the full irrigation (FI) treatment was higher than that of the DI treatment. The photosynthesis rate at ambient air temperature was $19.7{\mu}mol\;CO_2m^{-2}{\cdot}s^{-1}$ , the highest among all the treatments; however, the photosynthesis rate of the EHT treatment decreased by 60% ( $12.3{\mu}mol\;CO_2m^{-2}{\cdot}s^{-1}$ ). Additionally, the formation of guard cells in the leaf was abnormal with the EHT treatment, and there was a decrease in translocation efficiency. The effects of air temperature treatment were more pronounced on the physiological disorder rate and yield. The physiological disorder rate of the EHT treatment was the highest under the DI treatment condition. The yield of the AFI (ambient air temperature with full irrigation) treatment was 3,771 kg/10a, the highest among all the treatments; however, the yield of the EHT treatment with DI and FI was 1,282 and 1,327 kg/10a, respectively. These results indicate that growth and physiological disorder rate improved with the EHT treatment; however, there was a decrease in yield. Furthermore, the formation of guard cells was abnormal and malfunctional. | ||
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