Correlation Analysis Between Fruit Quality of 'Campbell Early' Grapes and Climatic Factors
2011
Kim, S.H., National Institute of Horticultural and Herbal Science, RDA, Suwon, Republic of Korea | Choi, I.M., National Institute of Horticultural and Herbal Science, RDA, Suwon, Republic of Korea | Cho, J.G., National Institute of Horticultural and Herbal Science, RDA, Suwon, Republic of Korea | Han, J.H., National Institute of Horticultural and Herbal Science, RDA, Suwon, Republic of Korea | Hwang, J.H., National Institute of Horticultural and Herbal Science, RDA, Suwon, Republic of Korea | Seo, H.H., Agricultural Research Center for Climate Change, National Institute of Horticultural and Herbal Science, RDA, Jeju, Republic of Korea | Yun, H.K., Yeungnam University, Gyeongsan, Republic of Korea
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.
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