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온도와 이산화탄소의 상승처리가 포도 ‘캠벨얼리’의 수체생육과 과실품질에 미치는 영향
손인창(In Chang Son),한점화(Jeom-Haw Han),조정건(Jung Gun Cho),김승희(Seung Heui Kim),장은하(Eun-Ha Chang),오성일(Sung Il Oh),문경환(Kyung-Hwan Moon),최인명(In-Myung Choi) 한국원예학회 2014 원예과학기술지 Vol.32 No.6
본 실험은 온도와 이산화탄소 농도 상승이 3년생 ‘캠벨얼리’ 포도의 수체 생육 및 과실특성에 미치는 영향을 구명하기 위해 수행하였다. 처리구는 대조구(대기온도, 390㎕·L<SUP>-1</SUP>CO₂), 온도 상승구(대기온도 + 4.0℃, 390㎕·L<SUP>-1</SUP>CO₂), 이산화탄소 상승구(대기온도, 700㎕·L<SUP>-1</SUP>CO₂), 이산화탄소 + 온도 상승구(대기온도 + 4.0℃, 700㎕·L<SUP>-1</SUP>CO₂)로 구성되었다. 평균 신초 길이는 이산화탄소 + 온도 상승구가 312.6㎝로 처리구 중 가장 높았고, 대조구는 206.2㎝, 온도 상승구와 이산화탄소 상승구는 각각 255.6, 224.8㎝이었다. 하지만 신초 직경은 온도 상승구와 이산화탄소 + 온도 상승구에서 감소하는 경향을 보였다. 과립 횡경은 이산화탄소 농도가 높을수록 증가하였고, 당함량은 이산화탄소 상승구가 14.6°Brix로 처리구 중 가장 높았으며 온도 상승구에서 13.9°Brix로 가장 낮았다. 수확기를 조사한 결과, 이산화탄소 + 온도 상승구에서는 약 11일 정도 단축되었고, 이산화탄소 상승구와 온도 상승구는 4일과 2일이 단축되었다. 생육기 광합성과 증산량을 조사한 결과, 광합성률은 이산화탄소 상승구와 이산화탄소 + 온도 상승구의 생육초기에 높았으나, 하계에 접어들면서 급격히 감소하여 증산량과 상반되었다. The effects of elevated temperature and CO₂ concentration on vine growth and characteristics of fruits of three-year-old ‘Campbell Early’ grapevine were investigated. The treatment groups consisted of a control group (ambient temperature and 390 ㎕·L<SUP>-1</SUP> CO₂), an elevated temperature group (ambient temperature + 4.0℃ and 390 ㎕·L<SUP>-1</SUP>CO₂), an elevated CO₂ group (ambient temperature and 700 ㎕·L<SUP>-1</SUP>CO₂), and an elevated CO₂/temperature group (ambient temperature + 4.0℃ and 700 ㎕·L<SUP>-1</SUP>CO₂). The average shoot length was 312.6 ㎝ in the elevated CO₂/temperature group, which was higher than the other groups; with 206.2 ㎝ in the control group and 255.6 ㎝ and 224.8 ㎝ in the elevated temperature group and elevated CO₂ group respectively. However, the shoot diameter showed a tendency of decreasing in the elevated temperature and elevated CO₂/temperature groups. The equatorial diameter of berries was increased in the higher carbon dioxide concentration, and the soluble solid content was the highest in the elevated CO₂ group, with 14.6 °Brix among all treatment groups and the lowest in the elevated temperature group (13.9 °Brix). The harvest date was approximately 11 d earlier in the elevated CO₂/temperature group and 4 to 2 days earlier in the elevated CO₂ group and elevated temperature group, respectively. Regarding the rate of photosynthesis and transpiration during the growth period, higher photosynthetic rates were observed in the elevated CO₂ group and the elevated CO₂/temperature group during the early stage of growth; however the photosynthetic rate was reduced dramatically in summer, which was contrary to transpiration.
단보 : 포도 "캠벨얼리" 품종의 과실품질과 기후요인과의 상관분석
김승희 ( Seung Heui Kim ),최인명 ( In Myung Choi ),조정건 ( Jung Gun Cho ),한점화 ( Jeom Haw Han ),황정환 ( Jeong Hwan Hwang ),서형호 ( Hyung Ho Seo ),윤해근 ( Hae Keun Yun ) 한국농림기상학회 2011 한국농림기상학회지 Vol.13 No.2
The study was conducted to investigate the correlation analysis between fruit quality and climatic parameters in grapevines. ``Campbell Early``, one of the major grape cultivars, occupies more than 70% of cultivated areas in Korea. Recent research results have shown that the movement of cultivation area of fruit production resulted from the temperature increase. In this study, we investigated the relationship between fruit quality and climatic conditions in 13 major ``Campbell Early`` grape producing areas (i.e., Sacheon, Jinju, Naju, Dangjin, Cheonan, Gimcheon, Yeongdong, Okcheon, Sangju, Suwon, Yeongju, Gangneung, Chuncheon, and Yanggu). The earliest and latest full blooming days of grapevines were ovserved on May 25 in Sacheon area and on June 7 in Yanggu area, respectively. At least 90 days are required for grapes to mature enough for the production of highquality fruits. The southern areas with less than 90 days of maturity period had difficulty in the production of good fruit. However, the areas with longer maturity period of 100 to 110 days produced grapes with with high sugar content and good coloring. The fruit qualities of ``Campbell Early`` grapes are more closely related with temperature than other climatic factors. High temperature resulted in fruits with high acidity and delayed the coloration of the fruit skin in the southern area. The fruit skin was thin in the southern area and inclined to be thicker in the northern areas. Therefore, grape should be cultivated in regions with long maturity period to have high quality.