The Comparison of Growth and Yield Characteristics among Principal Bulb Onion (Allium Cepa L.) Cultivars in Organic Growing
2015
Min, B.G., Gyeongsangnam-do Agricultural Research Extension Services, Jinju, Republic of Korea | Lee, S.Y., Gyeongsangnam-do Agricultural Research Extension Services, Jinju, Republic of Korea | Moon, J.S., Gyeongsangnam-do Agricultural Research Extension Services, Jinju, Republic of Korea | Ha, I.J., Gyeongsangnam-do Agricultural Research Extension Services, Jinju, Republic of Korea | Hwang, H.J., Gyeongsangnam-do Agricultural Research Extension Services, Jinju, Republic of Korea | Lim, C.S., Gyeongsangnam-do Agricultural Research Extension Services, Jinju, Republic of Korea
This study is conducted in order to select the varieties that can supplement problems related with organic cultivation of bulb onion (Allium cepa L.). 15 test varieties were selected considering rural preference, breeding line, breeding company, open-pollinated cultivar, F1 hybrid cultivar of either domestic or foreign products. Onion varieties were assessed in 5 criteria which are : growth of plants in low temperature, freezing injury resistance, resistance to physiological disorder such as bolting and doubled bulb, lodging index during harvest, and marketable yield. As a result, e-Joeun, Katamaru, Pop, Art, Singihan among F1 hybrid cultivars and Changnyeongdaego, Seouldaego, and Chunjujunggo among open-pollinated cultivars were selected as more suitable varieties for the organic cultivation. Although Sunpower cannot be selected in varieties those are suitable for organic cultivation, it showed excellent traits in the bulb characteristics. No significant differences were found between open-pollinated cultivar and F1 hybrid cultivar except growth of plants in low temperature (plant sheath diameter) and lodging index during harvest (May 24th). And no significant differences were recognized between domestic varieties and foreign varieties except missing plant ratio after wintering.
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