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남부 지역에서 파종간격에 따른 이탈리안 라이그라스(Lolium multiflorum Lam.) ‘그린콜’ 품종의 종자 및 짚 생산성 비교 KCI 등재

Comparative Study of Seed and Straw Productivity of Italian Ryegrass(Lolium multiflorum Lam.) ‘GreenCall’ according to Inter-Row Spacing in the Southern Region

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한국초지조사료학회지 (Journal of The Korean Society of Grassland Science)
한국초지조사료학회 (The Korean Society of Grassland and Forage Science)
초록

This experiment was conducted to investigate the change in the productivity of Italian ryegrass seeds according to the inter-row spacing in the southern region of the Korean Peninsula. Italian ryegrass (Lolium multiflorum Lam.) ‘Green Call’ variety was sown in Jinju, Gyeongnam in the fall of 2020 with three inter-row spacings (20, 30 and 40 cm). The experiment was arranged a randomized block design with three replications. The ryegrass was sown on October 17, 2020, and the harvest was on May 31, about 60 days from the first heading stage. There was no difference among treatments with an average of April 27th in heading stage. Plant height was significantly longer at 30 cm seeding interval and the shortest in 20 cm treatment. The length of the spike was the longest in the 40 cm seeding interval, and the number of seeds per spike was the highest in the 20cm seeding interval, but there was no significant difference among treatments. The seed yield was the highest at the 20 cm sowing interval (2,180 kg/ha), and decreased as the spacing increased. The dry matter content of seeds and straw was found to be 44.90% and 45.51% on average, and there was no significant difference among treatments. The amount of remaining straw after harvesting was found to be 7,506 kg/ha on average on DM basis, and was high at the 20 cm seeding interval. In view of the above results, it was found that it is most advantageous to sow at intervals of 20 cm when producing Italian ryegrass seeds through autumn sowing in the southern region.

목차
ABSTRACT
Ⅰ. 서론
Ⅱ. 재료 및 방법
    1. 이탈리안 라이그라스 재배
    2. 이탈리안 라이그라스의 수확
    3. 종자특성 평가
    4. 사료가치 분석
    5. 기상 상황
    6. 통계처리
Ⅲ. 결과 및 고찰
    1. 생육특성
    2. 종자 특성
    3. 종자 및 짚의 생산성
    4. 짚의 사료가치
Ⅳ. 요약
Ⅴ. 사 사
Ⅵ. REFERENCES
저자
  • Li Yan Fen(서울대학교 국제농업기술대학원)
  • Wang Li Li(서울대학교 국제농업기술대학원)
  • 유영상(서울대학교 국제농업기술대학원) | Young Sang Yu (Graduate School of International Agricultural Technology, SNU, Pyeongchang 25354, Korea)
  • 정은찬(서울대학교 국제농업기술대학원) | Eun Chan Jeong (Graduate School of International Agricultural Technology, SNU, Pyeongchang 25354, Korea)
  • Ahmadi Farhad(서울대학교 그린바이오과학기술연구원)
  • 이상훈(국립축산과학원 초지사료과) | Sang Hoon Li (Department of Grassland and Forage Science, NIAS, RDA, Cheonan 31000, Korea)
  • 김종근(서울대학교 국제농업기술대학원, 서울대학교 그린바이오과학기술연구원) | Jong Geun Kim (Graduate School of International Agricultural Technology, SNU, Pyeongchang 25354, Korea, Research Institute of Eco-friendly Livestock Science, GBST, SNU, Pyeongchang 25354, Korea) Corresponding author