Abstract
This study was carried out to balance the production and consumption of assimilates according to crop conditions as a basis to reduce the waste of assimilation through leaf and fruit control. There were four treatments: one fruit and two leaves (F1L2); two fruits and two leaves (F2L2); two fruits and three leaves (F2L3); and two fruits and four leaves (F2L4). This study showed that, as the number of leaves increased in Periods 1 and 2, the stem diameter and average weight decreased, with F1L2 having the highest stem diameter and average weight, although its numbers of leaves and fruits were the fewest. In the summer, Period 3, F1L2 production was the lowest due to increased rates of flower drop and fruit drop. In Period 4, when ambient temperature and light levels were decreased, the number of fruits was increased. However, the production was decreased. F1L2 and F2L4 showed significant decreases in production. Although F1L2 showed the highest average weight, it had a low production due to a decrease in the number of fruits. F2L4 showed weak generative growth due to an imbalance in growth over the summer. After reaching the last stage of development, the number of leaves showed the highest average weight and production in F2L4.
Highlights
Cultivation types of paprika can be divided into winter and summer cropping season according to latitude and altitude
When the first flower bloomed on the second node at 10-day intervals from 23 March, the following four methods were performed: (1) treatment by removing all flowers from the lateral branch and leaving one leaf (F1L2), (2) treatment by leaving one flower and one leaf on the lateral branch (F2L2), (3) treatment by leaving one flower and two leaves on the lateral branch, and (4) treatment by leaving one flower and three leaves (F2L4)
F2L4 treatment had the largest number of leaves in the crop plant, followed by F2L3 and F2L2
Summary
Cultivation types of paprika can be divided into winter and summer cropping season according to latitude and altitude. In the winter cropping season, sowing is performed in. In the summer cropping season, sowing is from January to March and the harvest is from. The cultivation area during the summer cropping season mainly centered on highlands in South Korea, it was increased rapidly from 17 hectares in 2003 to 100 hectares in 2015 and the crop yield per unit area of paprika in Gangwon province was 8.69 t/10a, which was only 67.9% and 82.9% of that in Jeolla province (12.797 t/10a) and Gyeongsang province (10.481 t/10a), respectively. 80,000 tons from 730 hectares, of which 31,919 tons (39.9%) were exported. The main export destinations were Japan (99.5%), Taiwan (0.3%), and Hong Kong (0.2%).
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