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http://dx.doi.org/10.12791/KSBEC.2013.22.3.209

Effect of Vernalizing Temperature on Growth and Yield of Globe Artichoke  

Kim, Chun Hwan (National Institute of Subtropical Agriculture, NIHHS, RDA)
Seong, Ki Cheol (National Institute of Subtropical Agriculture, NIHHS, RDA)
Ahn, Yul Kyun (National Horticultural Research Institute, RDA)
Kim, Seong Cheol (National Institute of Subtropical Agriculture, NIHHS, RDA)
Song, Eun Young (National Institute of Subtropical Agriculture, NIHHS, RDA)
Lim, Chan Kyu (National Institute of Subtropical Agriculture, NIHHS, RDA)
Son, Daniel (National Institute of Subtropical Agriculture, NIHHS, RDA)
Publication Information
Journal of Bio-Environment Control / v.22, no.3, 2013 , pp. 209-213 More about this Journal
Abstract
This study was conducted to produce heads of artichoke in July in Korea. The artichoke was planted in the Autumn and it could be reaped heads of artichokes in late of May in Korea. It can inform us that the artichoke need under some low temperature during the Winter to open flowers. In order to harvest heads of artichoke in the Summer two kinds of cultivar 'Green Globe' and 'Imperial Star' those were grown for 4 weeks in green house of $17^{\circ}C$ which were treated at 3, 6, 9 and $12^{\circ}C$ chamber for 4 weeks and then planted the 8th April. Plant distance was $150{\times}50$ cm. After 3 months most of artichoke of 'Imperial Star (IS)' made heads. Especially, the artichokes 'IS' were treated at $6^{\circ}C$ made heads 63% of plants but those at $12^{\circ}C$ made heads 33% and the artichokes (no treatment at low temperature) grown in greenhouse at $17^{\circ}C$ for 8 weeks made heads 5% of plants. 'Green Globe (GG)' made heads 28% of plants at $9^{\circ}C$ and 10% at $12^{\circ}C$, and 'GG' grown in greenhouse at $17^{\circ}C$ for 8 weeks never had made any head. The weights of head were 97 g and 86 g in 'IS' and 'GG' respectively. The yield of heads were 215 and 108 kg/10a in 'IS' and 'GG' respectively.
Keywords
cold treatment; imperial star; green globe; greenhouse;
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