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http://dx.doi.org/10.5333/KGFS.2004.24.4.309

Analysis of Growth and Development in Rye Cultivars Based on the Feekes Scale in Rotation to Sowing Dates  

Kim, Su-Gon (National Jeju Agricultural Experiment Station, RDA)
Kim, Jong-Duk (National Jeju Agricultural Experiment Station, RDA)
Kwon, Chan-Ho (National Jeju Agricultural Experiment Station, RDA)
Park, Hyung-Soo (National Jeju Agricultural Experiment Station, RDA)
Ko, Han-Jong (Korea National Open University)
Ha, Jong-Kyu (College of Agric., & Life Sci., Seoul National University)
Kim, Dong-Am (College of Agric., & Life Sci., Seoul National University)
Publication Information
Journal of The Korean Society of Grassland and Forage Science / v.24, no.4, 2004 , pp. 309-316 More about this Journal
Abstract
This experiment was carried out to assess the growth and development of five rye(Secale cereale L.) cultivars based on the Feekes scale in relation to sowing date at the Experimental Livestock Farm, Seoul National University(SNU), Suwon from 30 September 2001 to 4 May 2002. The experiment was conducted in split plot design with three replications. The main plots consisted of two sowing date such as early(30 September) and late(15 October). The subplots consisted of rye cultivars of five different maturity groups such as 'Kodiak', 'Koolgrazer', 'Danko', 'Homil22' and 'Olhomil'. The plant height of early sowing rye cultivars was higher than that of late one. Among the rye cultivars tested, plant heights of early maturing cultivars were higher than those of the other cultivars. The tiller number at early sowing(48.0) was higher than that of late(24.3), however, late maturing cultivars were higher than those of the other cultivars among the rye cultivars tested. Growth and development in the early sowing were generally three days earlier than those of late sowing cultivars. Growth and development in 'Olhomil' rye cultivars was earlier than 'Danko' rye cultivars when sown in early, but 'Olhomil' and 'Koolgrazer' rye cultivars showed an early maturity than 'Danko' rye when sown in late. Therefore, the developmental stages of winter rye cultivars could be categorised the following maturity; 'Olhomil' and 'Koolgrazer' are early in maturity, 'Homil22' is medium, and 'Kodiak' and 'Danko' are late in maturity.
Keywords
Plant height; Tiller number; Maturity; Winter Rye;
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