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Yield and Storability of Spring Transplanted Onion Cultivars in the Middle Area of the Korean Peninsula  

Lee, Jung-Soo (National Institute of Horticultural & Medicinal Crop, RDA)
Park, Su-Hyung (National Institute of Horticultural & Medicinal Crop, RDA)
Park, De-Young (Good Seed Co.)
Lee, Youn-Suk (Packaging Department, Yonsei University)
Chun, Chang-Hoo (Department of Horticultural Science, Seoul National University)
Publication Information
Journal of Bio-Environment Control / v.18, no.1, 2009 , pp. 51-59 More about this Journal
Abstract
Bulb onion cultivation area has been restricted in southern part of Korea to avoid blotting and bulb division. The traditional culture method is transplanting bare-rooted plantlet into the field at the end of summer and harvesting at the beginning of next summer. The hot weather and weak plantlets occasionally causes unstable supply of onions in autumn. In order to enlarge cultivation area and to reduce culture period, long nursery system using plug tray and spring transplanting was tried. Forty cultivars collected from Korea and Japan were nursed using 200-plug tray and transplanted to the field in spring. Marketable yield was not related to the seedling size but lodging time. Cultivar of 'Hamasodachi' was lodged early and resulted low marketable yield. Cultivar of 'Cheonjudaego' was not lodged and yielded high but not in accordance with storability. Generally early lodged cultivars showed low storability. In order to avoid rainy harvesting season, cultivars requires excessive long time for lodging is not recommended for spring culture. Using plug nursery and spring transplanting, we successfully produced marketable onions in 3 months. But immediate using of the harvested onion is recommended. The storability of produced onions showed different result among cultivars, storage of spring onion was not recommended.
Keywords
selection of onion cultivars; spring culture; productivity;
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Times Cited By KSCI : 2  (Citation Analysis)
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