References
- Anderson, J.A., Kenna, M.P. and Taliafero, C.M. 1988. Cold hardiness of Midiron and Tifgreen bermudagrass. HortScience. 23:748-750.
- AOAC. 1990. Official methods of analysis(15th ed.) Association & Official Analytical Chemists, Washington DC.
- Beard, J.B. 1973. Turfgrass: Science and culture. Prentice-Hall, N.J.
- Choi, G.J., Ji, H.C., Kim, K.Y., Park, H.S., Seo, S., Lee, K.W. and Lee, S.H. 2011. Growth characteristics and productivity of cold-tolerant 'Kowinearly' Italian ryegrass (Lolium multiflorum L.) in the northern part of South Korea. African Journal of the Biotechnology. 10:2676-2682. https://doi.org/10.5897/AJB10.1900
- Choi, G.J., Lim, Y.C., Kim, G.Y., Kim, M.J., Ji, H.C., Lee S.H., Park, H.S., Moon, J.S., Lee, E.S. and Seo, S. 2008. A cold-tolerant and medium-Maturing Italian ryegrass(Lolium multiflorum L.) new variety 'Kowinmaster'. Journal of the Korean Society of Grassland and Forage Science. 28:177-184. https://doi.org/10.5333/KGFS.2008.28.3.177
- Choi, G.J., Lim, Y.C., Rim, Y.W., Kim, K.Y., Sung, B.R., Rim, Y.W., Kim, M.J., Lim, K.B. and Seo, S. 2006b. A cold-tolerant and high-yielding Italian ryegrass(Lolium multiflorum L.) new variety 'Kowinnner'. Journal of the Korean Society of Grassland and Forage Science. 26:171-176. https://doi.org/10.5333/KGFS.2006.26.3.171
- Choi, G.J., Lim, Y.C., Rim, Y.W., Sung, B.R., Kim, M.J., Kim, K.Y. and Seo S. 2006a. A cold-tolerant and early-heading Italian ryegrass (Lolium multiflorum L.) new variety 'Kogreen'. Journal of the Korean Society of Grassland and Forage Science. 26:9-16. https://doi.org/10.5333/KGFS.2006.26.1.009
- Choi, G.J., Lim, Y.C., Sung, B.R., Kim, K.Y., Lee, J.K., Lim, K.B., Park, H.S., Seo, S. and Ji, H.C. 2007. A cold-tolerant and early-maturing Italian ryegrass(Lolium multiflorum L.) new variety 'Kospeed'. Journal of the Korean Society of Grassland and Forage Science. 27:145-150. https://doi.org/10.5333/KGFS.2007.27.3.145
- Choi, G.J., Rim, Y.W., Kim, K.Y., Choi, S.H., Sung, B.R., Kim, W.H., Shin, D.E. and Lim, Y.C. 2000. A cold-tolerant and high-yielding Italian ryegrass (Lolium multiflorum L.) new variety 'Hwasan 101'. Journal of the Korean Society of Grassland and Forage Science. 20:1-6.
- Choi, G.J., Rim, Y.W., Lim, Y.C., Kim, K.Y., Sung, B.R., Choi, S.H. and Park, G.J. 2001b. Growth characters and productivity of new Italian ryegrass(Lolium multiflorum L.) variety 'Hwasan 103'. Journal of the Korean Society of Grassland and Forage Science. 21:163-168.
- Choi, G.J., Rim, Y.W., Lim, Y.C., Kim, K.Y., Sung, B.R., Kim, M.J. Park, G.J. and Kim, S.R. 2001a. Growth characters and productivity of new Italian ryegrass (Lolium multiflorum L.) variety 'Hwasan 102'. Journal of the Korean Society of Grassland and Forage Science. 21:157-162.
- Choi, G.J., Rim, Y.W., Sung, B.R., Lim, Y.C. Kim, M.J., Kim, K.Y., Park, G.J. Park, N.K. Hong, Y.K. and Kim, S.R. 2005. Growth characters and productivity of new Italian ryegrass (Lolium multiflorum L.) variety 'Hwasan 104'. Journal of the Korean Society of Grassland and Forage Science. 25:275-280. https://doi.org/10.5333/KGFS.2005.25.4.275
- Goring, H.K. and Van Soest, P.J. 1970. Forage fiber analysis. Agronomic Handbook. No. 379. ARS. USDA. Washington D.C.
- Ji, H.C., Choi, G.J., Lee, S.H., Kim, K.Y., Lee, K.W., Park, N.G. and Lee, E.S. 2013. A very early-maturing Italian ryegrass (Lolium multiflorum L.) new variety, 'Green Farm II'. Korean Society of Grassland and Forage Science. 33:1-10. https://doi.org/10.5333/KGFS.2013.33.1.1
- Ji, H.C., Lee, S.H., Yoon, S.H., Kim, K.Y., Choi, G.J., Park H.S., Park, N.G., Lim, Y.C. and Lee, E.S. 2011. A very early-maturing Italian ryegrass(Lolium multiflorum L.) new variety, 'Green Farm' for double cropping system. Korean Society of Grassland and Forage Science. 31:9-14. https://doi.org/10.5333/KGFS.2011.31.1.9
- Ji, H.C., Whang, T.Y., Kim, K.Y., Choe, H.S., Hong, K.H., Choe, K.W., Lee, K.W. and Lee, S.H. 2015. A very early-maturing Italian ryegrass (Lolium multiflorum L.) new variety, 'Green Farm 3'. Korean Society of Grassland and Forage Science. 35:31-35. https://doi.org/10.5333/KGFS.2015.35.1.31
- Moore, R.E. 1970. Procedure for the two-stage in vitro digestion of forage. University of Florida, Department of Animal Science.
- SAS. 2004. SAS/STAT 9.1 User's Guide. SAS inst, In, Cary, NC.
- Tilley, J.A.M. and Terry, R.A. 1963. A two stage technique for in vitro digestibililty of forage crops. Journal of Birtannica Grassland Science. 18:104-111. https://doi.org/10.1111/j.1365-2494.1963.tb00335.x