사료용 옥수수와 같은 줄에 혼작이 가능한 콩 유전자원 선발과 조사료 특성 검정

• 영문명: Selection of Soybean Germplasm for Mixed Cropping with Corn on the Same Row to Produce Better Yield and Value-Added Forage
• 발행기관: 한국육종학회
• 저자명: 서진동(Jin-Dong Seo) 김민수(Minsu Kim) 송요욱(Yowook Song) 조다님(Danim Jo) 송종태(Jong Tae Song) 김종덕(Jong Duk Kim) 권찬호(Chan Ho Kwon) 조현(Hyun Jo) 이정동(Jeong-Dong Lee)
• 간행물 정보: 『한국육종학회지』Vol.51 No.1, 1~9쪽, 전체 9쪽
• 주제분류: 농수해양 > 기타농수해양
• 파일형태: PDF
• 발행일자: 2019.01.30

영문 초록

Soybean has a high protein content in both its hay and seed. Studies have shown that the mixed cropping of corn and soybean improved forage yield and quality. The objective of this study was to select soybean germplasm suitable for mixed cropping with corn on the same row to produce better forage yield and quality. Eleven soybean lines selected from previous evaluations were used in this study. Soybeans were planted with corn on the same row at 10 cm intervals. The planting rate in hills was one corn plant and three soybean plants. The fertilization and time of forage harvest were based on the recommendations for forage corn production. The results showed that in corn–soybean mixed cropping, the forage yield increased by about 19%, the silage protein content increased by 1%–2%, the percentage of acid detergent fibers and neutral detergent fibers decreased, the total digestible nutrients increased, and the acetic acid content decreased. Therefore, the selected soybean lines were suitable for mixed cropping with corn to produce high quality forage and/or as breeding material for the development of forage soybean varieties. Based on this study, we suggest that the agronomic traits of soybean needed for mixed cropping with corn on the same row for forage are as follows: soybean should 1) have the ability to grow well under the corn canopy, 2) have lodging tolerance for ease of mechanical forage harvest, 3) develop to the full pod stage at the time of harvest for increased protein content, and 4) have no adverse effects on corn growth to maintain a high forage yield.

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키워드

Soybean Forage soybean Forage yield and quality