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Optimum Double-Row Spacing in the Autumn Cultivation of Radish (Raphanus sativus L.)
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 Title & Authors
Optimum Double-Row Spacing in the Autumn Cultivation of Radish (Raphanus sativus L.)
Kang, Eun Seon; Ha, Sun Mi; Cheong, Seoung Ryong; Seo, Myeong Whoon; Park, Su hyoung; Kwack, Yong-Bum; Choi, Keun Jin; Chae, Won Byoung;
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BACKGROUND: Radish (Raphanus sativus L.) is cultivated worldwide and one of important vegetables in Korea where year-round production of radish is possible. Most of radishes in autumn are cultivated with double-row spacing except for Gangwon-do where sing-row spacing is predominant. However, no research has been conducted on double-row spacing in radish cultivation so far. This study was conducted to reveal the optimum double-row spacing in autumn cultivation of radish. METHODS AND RESULTS: Using top two popular autumn radish cultivars 'S' and 'C', seeds were sown in spacing between rows of , , and , and that within rows of , , and . Plants were harvested 58 days after sowing and leaf weight, length and number, and root weight, length sugar content and pithiness were investigated. In the spacing between rows, no significant difference was observed in leaf weight, length and number in both cultivars; however, 25 cm of spacing between rows significantly reduced the root length and weight in 'S' and 'C' cultivars, respectively. In spacing within rows, 28, 25 and 22 cm did not affect fresh root weight in both cultivars, producing appropriate radish roots of 1,500g on average. However, 19 cm of spacing within rows did not reduced fresh root weight in 'S' cultivar but did significantly in 'C' cultivar (1148.3 g). Sugar contents and pithiness of roots were also affected by spacing but its effect was very small and different between cultivars. CONCLUSION: It is suggested that optimum double-row spacing in autumn radish cultivation is 35 cm and 22 cm of spacing between and within rows, respectively, the spacing that did not reduce the yield and quality of radish roots in two popular autumn radish cultivars.
Autumn cultivation;Double-row spacing;Raphanus sativus;Root yield;Root quality;
 Cited by
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