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http://dx.doi.org/10.5333/KGFS.2016.36.4.280

Growth Characteristics and Dry Matter Yields of Domestic and Foreign Italian ryegrass (Lolium multiflorum Lam.) Cultivars in Cheonan Region  

Kim, Ki-Yong (National Institute of Animal Science, RDA)
Choi, Gi Jun (National Institute of Animal Science, RDA)
Lee, Sang-Hoon (National Institute of Animal Science, RDA)
Hwang, Tae-Young (National Institute of Animal Science, RDA)
Lee, Gi-Won (National Institute of Animal Science, RDA)
Ji, Hee Chung (National Institute of Animal Science, RDA)
Park, Sung Min (National Institute of Animal Science, RDA)
Publication Information
Journal of The Korean Society of Grassland and Forage Science / v.36, no.4, 2016 , pp. 280-286 More about this Journal
Abstract
This study was conducted to evaluate the growth characteristics and dry matter yields of Italian ryegrass (Lolium multiflorum Lam., IRG) cultivars for three years (2011~2013). The cold-resistance of domestic cultivars was stronger than other foreign varieties. Among early-maturing cultivars, dry matter (DM) yield of 'Kowinearly' was significantly higher (8,751 kg/ha) than other cultivars (p<0.05). In medium-maturing cultivars, DM yield of 'Kowinmaster' and 'Tam 90' was 9,394 and 7,461 kg/ha, respectively. Of the two, the former's DM yield was higher than the latter's (p<0.05). Among late-maturing cultivars, DM yield of 'Hwasan 104' (9,809 kg/ha) was similar to 'Hwasan 101' (9,354 kg/ha), but significantly higher than the other late-maturing cultivars (p<0.05). According to the results obtained from present study, early-maturing cultivars with cold-tolerance and high productivity is required for the paddy field cultivation of an Italian ryegrass cultivar after rice harvest in Cheonan region. Medium- and late-maturing cultivars are more advantageous for the dry field cultivation of the maximum quantity that is possible. In conclusion, to select which cultivar/s to grow, the climate of the growing area, weather conditions, and the cropping system must all be considered.
Keywords
Italian ryegrass; Growth characteristics; Forage productivity; Cold tolerance; Cheonan region;
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Times Cited By KSCI : 10  (Citation Analysis)
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