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Correlationship between Climatic Elements and External Characteristics of Red Pepper Fruit in Different Growing Periods  

조병철 (농촌진흥청 원예축산과)
박권우 (고려대학교 생명산업과학)
강호민 (강원대학교 식물응용과학)
윤형권 (원예연구소)
Publication Information
Journal of Bio-Environment Control / v.13, no.2, 2004 , pp. 73-80 More about this Journal
Abstract
Two red pepper(Capsicum annuum L.) cultivars, 'Geumtap' and 'Bugang', were cultivated at main producing areas in Korea and harvested four times in 1998 and 1999. Length, weight, dry matter ratio and color of red peppers were measured at each harvest. The relations between external characteristics with regional climatic elements such as total accumulated air temperature, total amount of precipitation and duration of sunshine during the fruit growing periods were compared. Length and fruit weight decreased by delayed harvest. These characteristics were shown significant difference according to cultivars, but not to growing year. Dry matter ratio had a tendency to increase at the 3rd and 4th harvest. The red color as measured a${\times}$L values of pepper powder, increased with being later in harvesting, but the trend was uncertain. In fruit growth, fruit length showed a positive correlation with total accumulated air temperature in later growth period of fruits(from 1st to 20th day before harvesting), and fruit weight had relationships with accumulated air temperature and total amount of precipitation in later growth period of fruit. There was no relation between dry matter ratio and climate elements. The red color was shown high correlations with total amount of precipitation and duration of sunshine. There was highest coefficient of determination($r^2$) in all external characteristics.
Keywords
fruit length; fruit weight; dry matter ratio; a ${\times}$ L value;
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