Journal of The Korean Society of Grassland and Forage Science (한국초지조사료학회지)

The Korean Society of Grassland and Forage Science (한국초지조사료학회)
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Growth Characteristics and Dry Matter Yields of Domestic and Foreign Italian ryegrass (Lolium multiflorum Lam.) Cultivars in Cheonan Region

천안지역에서 이탈리안 라이그라스 국내육성 품종과 외국품종의 생육특성 및 수량성

  • Published : 2016.12.31
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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.

본 연구는 이탈리안 라이그라스(Lolium multiflorum Lam.) 국내육성 품종과 수입품종의 생육특성 및 수량성을 평가하기 위하여 국립축산과학원 초지사료과 시험포장(충남 천안시 성환읍)에서 2011년부터 2013년까지 3년 동안 수행하였다. 국내육성 IRG 품종이 도입품종에 비해 전반적으로 내한성이 더 강한 것으로 나타났다. 이탈리안 라이그라스의 ha당 건물수량은 조생종 중에 '코윈어리' 품종이 8,751 kg으로 다른 5품종에 비해 많았으며(p<0.05), 중만생종 중에서는 '화산 104호' 품종이 '화산 101호' 및 '코윈마스터' 품종과 비슷하였고, 다른 품종에 비해서는 건물수량이 많았다(p<0.05). 이상의 연구결과에 의하면 천안지역 논에서 이탈리안 라이그라스를 재배할 경우, 추위에 강하고 수확시기가 빠른 조생종 품종을 선택하는 것이 좋다고 판단되며, 만약 밭에서 이탈리안 라이그라스를 재배한다면 조생종보다는 중만생종이 수량성 면에서 유리할 것으로 판단된다.

Keywords

References

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  1. Effect of Difference in Cold-tolerance of Variety on Forage Productivity of Italian Ryegrass in Middle Regions of Korea vol.38, pp.4, 2018, https://doi.org/10.5333/KGFS.2018.38.4.210