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http://dx.doi.org/10.14578/jkfs.2022.111.4.557

Effect of Pruning on the Yield and Fruit Quality of 'Godongsi' Persimmon  

Hui-Won, Yoo (Division of Special Forest Resources, National Institute of Forest Science)
Chul-Woo, Kim (Division of Special Forest Resources, National Institute of Forest Science)
Seong-In, Park (Division of Special Forest Resources, National Institute of Forest Science)
Uk, Lee (Division of Special Forest Resources, National Institute of Forest Science)
Publication Information
Journal of Korean Society of Forest Science / v.111, no.4, 2022 , pp. 557-566 More about this Journal
Abstract
This study aimed to obtain basic data on high-quality fruit production and efficient cultivation of persimmon cultivar "Godongsi". In the second year of pruning, the number of fruits per tree according to the number of fruit-bearing mother shoots (300, 400, 500, and 700 [control] treatments) was 676.3, 786.0, 866.7, and 1238.7, respectively. Persimmon cultivar "Godongsi" had a decrease in number of fruits per tree and increase in fruit weight as the pruning intensity increased. The average fruit weight in the 300 treatment group was 212.2 g, which was 1.5 times heavier than that in the control. For a high-quality dried persimmon processing, the rate of grade L fruits (170 g<ｘ≤200 g) and over according to the number of fruit-bearing mother shoots was 86.9%, 48.6%, 33.5%, and 8.1%, respectively. The fruit grade of the pruned treatment group was significantly higher than that of the control. Based on the selling price of dried persimmon, the production amount was significantly higher in the 300 treatment than that in the control. When there were many fruits per tree, there was a decrease in quality and increase in cost of harvesting and processing. In conclusion, pruning is essential to increase the fruit quality (fruit weight and grade) of persimmon cultivar "Godongsi". Moreover, the suitable number of fruit-bearing mother shoots was 300.
Keywords
Diospyros kaki Thunb; pruning intensity; persimmon; Godongsi;
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