Abstract

본 시험은 중부지방에 배수가 불량한 논에 벼 대체 여름 사료작물인 옥수수를 파종하여 논 재배에서 적응성 및 생산성이 우수한 품종을 선발하여 양질의 조사료를 생산할 목적으로 충남 서천농가의 배수가 불량한 논에서 수행하였다. 국내육성 4품종과 도입품종 14품종 등 18품종을 시험한 결과 생육 특성면에서는 P32T83이 경직경이 15.1 mm로 굵고 착수고가 57 cm로 낮으며, 당도가 <TEX>$12B^{\circ}$</TEX>로 높고 생초수량이 ha당 55,220 kg, 건물수량이 19,680 kg, TDN 수량이 13,280 kg으로 가장 높게 나타났으며, ADF 및 NDF 함량이 낮고, 건물소화율도 81.9%로 가장 높게 나타나 사료가치도 우수하였다. 다음으로 NC7117이 경직경이 15.5 cm로 굵고 생초수량이 ha 당 50,890 kg, 건물수량이 19,110 kg, TDN 수량이 12,160 kg으로 양호한 특성을 가진 것으로 보여 밭작물 옥수수와 같은 수준의 수량 및 품질을 낼 수 있을 것으로 보인다. 이와 같은 특성을 가진 사일리지용 옥수수 품종을 논에 재배하면 밭 재배에서와 같은 수준의 수량을 얻을 수 있을 것으로 보인다. This experiment was carried out to know adaptability, forage production and quality of corn hybrid for silage at paddy field at Chungnam region. Among agronomic characteristics, 'P32T83' hybrid was somewhat strong for waterlogging and good stay green, and low ear height as 57 cm and thicker stem diameter as 15.1 mm, and higher sugar content as 12 (Bo, %). The fresh and dry matter yield of 'P32T83' hybrid were the highest 55,220 kg/ha and 19,680 kg/ha, respectively. 'NC7117' hybrid was thicker as 15.5 cm and somewhat strong for waterlogging. The fresh and dry matter yield of 'NC7117' were 50,890 kg/ha and 19,110 kg/ha, respectively. The 'P32T83' hybrid was high as 81.9% in vitro dry matter digestibility (IVDMD). The result of this study indicated that 'P32T83' and 'NC7117' hybrid could be recommended as having good characters according to production, waterlogging tolerance, stay green, sugar content, and stem diameter at paddy field in Chungnam region.

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