Abstract

본 시험은 가을에 파종한 조, 만생품종 사초용 호밀의 생육특성 및 건물수량을 알기 위하여 실시하였다. 2002년 10월 3일과 2003년 10월 8일에 조생품종인 Koolgrazer을 대조품종으로 조생품종 9909, Ol-homil 및 Jlee select와 중생품종인 Homil 22 그리고 만생품종인 Danko, Kior, Amilo 및 Spooner을 각각 파종하였으며, 2003년 4월 22일과 2004년 4월 23일에 각각 수확하였다. 내도 복성은 조중생품종이 만생품종보다 다소 낮았다. 초고는 조중생품종이 만생품종 보다 길었다. <TEX>$50\%$</TEX> 출수일은 조생품종이 2년 평균 4월 14일이었던 반면에 만생품종이 4월 24일로서 조생품종이 10일이나 더 빨랐다. CP 함량은 만생품종이 조생품종보다 높았으며, ADF와 NDF 함량은 조생품종이 높았다. 건물수량은 1년차 시험에서 조생품종Jlee select가 가장 높았으며(p<0.05), 9909와 Koolgrazer는 유사하였고, 중만생품종 Homil 22, Danko, Kior, Amilo 및 Spooner는 조생품종 보다 낮았다. 2년차 시험에서는 조생품종인 9909가 가장 높았으며(p < 0.05), Koolgrazer와 Ol-homil은 비슷하였고 Jlee select는 낮았고, 만생품종 Danko, Kior, Amilo 및 Spooner는 조생품종 보다 낮았다. 본 연구의 결과로 보아 2모작 작부체계에서 추파용 호밀은 조생품종이 적합하다고 생각된다. This experiment was performed to evaluate the agronomic characteristics and dry matter yields of the early maturing cultivars(c.v.'Koolgrazer', '9909,' 'Ol-homil' and 'Jlee select') the medium maturing cultivar(c.v. 'Homil 22') and late maturing cultivars(c.v. 'Danko', 'Kior', 'Amilo' and 'Spooner'.) Seeds were sown on October 3, 2002 and October 8, 2003, respectively at the Livestock Experiment Farm of Keimyung College, Seongju, Kyeongbuk Province. Forage rye was harvested on April 22, 2003 and April 23, 2004, respectively. The height of early maturing cultivars were higher than that of late maturing cultivars at the harvest. Fifty percent heading date of the early maturing cultivar was on April 14 and that of late maturing cultivars were on April 24. In the first year, dry matter(DM) yield of 'Jlee select' was significantly the highest in among all cultivars(p < 0.05). DM yield of early maturing cultivars were higher than that of medium and later maturing cultivars. In the second year, DM yield of '9909' was significantly the highest in among all cultivars(p < 0.05). The early maturing cultivar of 'Koolgrazer' and 'Ol-homil' were similar and 'Jlee select' was low, late maturing cultivar of 'Danko', 'Kior', 'Amilo' and 'Spooner' were lower than early maturing cultivar. According to the results obtained from the study, it is suggested that the early maturing cultivar would be recommendable for fall sown rye for double cropping forage production.

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