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2021 Vol.66, Issue 4 Preview Page

Original Research Article

Comparison of the Seed Productivity of Italian Ryegrass in Different Regions

다른 지역에서 이탈리안 라이그라스의 종자 생산성 비교

Ji-Eun Byeon1
,
Hong-Ju Lee1
,
Sun-Goo Hwang2*
,
Jong-Won Ryoo2*
변 지은1
,
이 홍주1
,
황 선구2*
,
류 종원2*
1Ph.D Student, College of Life and Environment Science, Sangji University, Wonju 26339, Korea
2Professor, College of Life and Environment Science, Sangji University, Wonju 26339, Korea
1상지대학교 스마트팜학과 박사과정
2상지대학교 스마트팜학과 교수
*Corresponding Author
1 December 2021. pp. 428-434
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Abstract

To study whether the area under the cultivation of Italian ryegrass (IRG) has increased with rise in global temperatures, we investigated the effects of climatic variables on seed productivity in different parts of Gangwon-do, South Korea. Specifically, IRG was cultivated in the western (Gangneung), central (Wonju), and northern (Chuncheon) parts of Gangwon-do. The heading date of IRG in Gangneung was earlier than that in the other regions. Moreover, the values of agronomic traits, including spikelets per spike, grains per spike, and thousand-grain weight, were lower in Chuncheon. However, there were no differences spikelets per spike and grains per spike between Wonju and Gangneung. Additionally, the thousand-grain weight and seed production were higher in Gangneung. Statistical correlation analysis between climatic variables and agronomic traits revealed that the mean daily minimum temperature was positively correlated with seed formation-related traits in April and seed maturity-related traits in May. In the light of rising minimum temperatures in Gangwon-do, Gangneung, Chuncheon and Wonju are suitable areas for IRG cultivation with optimal seed productivity.

Keywords
Gangwon province
Italian ryegrass
seed productivity
seed yield component
References
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Information
  • Publisher :The Korean Society of Crop Science
  • Publisher(Ko) :한국작물학회
  • Journal Title :The Korean Journal of Crop Science
  • Journal Title(Ko) :한국작물학회지
  • Volume : 66
  • No :4
  • Pages :428-434
  • Received Date : 2021-06-25
  • Revised Date : 2021-09-07
  • Accepted Date : 2021-09-08
  • An Erratum to this article was published on 1 June 2023.
    This article has been updated.
  • DOI :https://doi.org/10.7740/kjcs.2021.66.4.428
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