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논문 기본 정보

자료유형
학술저널
저자정보
Befekadu, Chemere (College of Animal Life Sciences, Kangwon National University) Lee, Baehun (College of Animal Life Sciences, Kangwon National University) Kim, Jiyung (College of Animal Life Sciences, Kangwon National University) Kim, Moonju (Institute of Animal Resource Sciences, Kangwon National University) Kim, Sichul (College of Animal Life Sciences, Kangwon National University) Kim, Byongwan (College of Animal Life Sciences, Kangwon National University) Sung, Kyungil (College of Animal Life Sciences, Kangwon National University)
저널정보
한국초지조사료학회 한국초지조사료학회지 한국초지조사료학회지 제39권 제3호
발행연도
2019.1
수록면
178 - 184 (7page)

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The objective of this study was to evaluate the dry matter yield of (DMY) of Italian ryegrass (IRG) forage crop based on two seeding date (September 25 and October 2) in 2017 and 2018, and evaluation of the potential reason of DMY reduction in IRG cultivars grown at Chuncheon, South Korea. Three cultivars of IRG including Kowinearly, Kowinmaster and Hwasan 104 were used in this experiment. The experimental field was designed as a split-split-plot arrangement. The cultivars were harvested on April 26 before the heading stage of both years. In this study, no significant effect (p>0.05) of seeding date has been found on the DMY, whereas the cultivars and year showed a significant effect on the DMY (p<0.05). Except September 25 of 2017, Hwasan 104 indicated significantly lower (p<0.05) DMY than Kowinearly and Kowinmaster in all seeding periods. Though no significant difference (p>0.05) was observed for the DMY between the two seeding dates in 2018, but the DMY was significantly lower (p<0.05) than that of 2017. Lower crude protein (CP) content of Kowinearly was observed on the seeding date of October 2 of 2017, and also in both seeding dates on 2018 (p<0.05). No significant difference (p>0.05) was observed in acid detergent fiber (ADF) between the cultivars on both seeding dates and years. Similarly, no significant difference (p>0.05) was found in neutral detergent fiber (NDF) between the cultivars in 2017. However, Kowinearly showed higher NDF content as compared to Kowinmaster and Hwasan 104 on both seeding dates and years. The seeding date has no significant difference (p>0.05). Thus, considering the extent of DMY in both years, the mean minimum temperature during winter season could be the limiting factor for the DMY of IRG cultivars. However, based on this study, the seeding dates of September 25 and October 2 have no potential effect on the DMY. Thus, on the basis of the current DMY and forge quality parameters, the cultivation Kowinmaster is recommended in Chuncheon.
#Cultivars #Seeding date #Dry matter yield #Italian ryegrass

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참고문헌 (20)

참고문헌 신청
AOAC / 1990 / Official methods of analysis / Association of Official Analytical Chemist International google schola Bolinder, M. A. / 2002 / Root biomass and shoot to root ratios of perennial forage crops in eastern Canada / Canadian Journal of Plant Science 82:731~737 google schola Befekadu Chemere / 2018 / Detecting Long-Term Dry Matter Yield Trend of Sorghum-Sudangrass Hybrid and Climatic Factors Using Time Series Analysis in the Republic of Korea / Agriculture 8(12):197 Crossref Chinnusamy, V. / 2007 / Cold stress regulation of gene expression in plants / Trends Plant Science 12:444~451 google schola Choi, G. J. / 2011 / Growth characteristics and productivity of cold-tolerant"Kowinearly"Italian ryegrass in the northern part of South Korea / African Journal of Biotechnology 10:2676~2682 google schola

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