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2019 Vol.64, Issue 1 Preview Page

Original Research Article

Effects of Planting Density on Growth and Yield in Wide-Row Drill Seeding of Proso millet (Panicum miliaceum L.)

넓은이랑 줄뿌림 파종 시 재식밀도에 따른 기장의 생육 및 수량

Ki-Youl Jung1
,
Young-Dae Choi2
,
Hyen-Chung Chun2
,
Sang-Hun Lee2
,
Seung-Ho Jeon3*
정 기열1
,
최 영대2
,
전 현정2
,
이 상훈2
,
전 승호3*
1Senior Researcher, Department of Southern Area Crop Science, NICS, RDA, 50424, Milyang, Rep. of Korea
2Researcher, Department of Southern Area Crop Science, NICS, RDA, 50424, Milyang, Rep. of Korea
3Professor, Department of Well-being Resources, College of Life Science and Natural Resources, Sunchon National University, Sunchon, 57922, Korea
1국립식량과학원 남부작물부 생산기술개발과 농업연구관
2국립식량과학원 남부작물부 생산기술개발과 농업연구사
3순천대학교 생명산업과학대학 웰빙자원학과 교수
*Corresponding Author
31 March 2019. pp. 33-39
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Abstract

The goal of this study was to investigate how the characteristics of growth and yield are affected by various planting densities in wide-row drill seeding cultivation suitable for mechanized harvesting. Two cultivars (‘Hwanggeum’ and ‘Leebackchal’) of proso millet (Panicum miliaceum L.) were planted at varying planting densities [row spacing (20, 30, and 50 cm) and plant spacing (3, 5, 10, and 15 cm)]. The culm length was highest at the planting density of 50×3 cm and 50×5 cm for ‘Hwanggeum’ and 20×3 cm for ‘Leebackchal’. The culm diameter became thinner as the planting density increased. The number of tillering and panicle length showed the same tendency to increase in quantity or length as planting density decreased and was highest at 50×15 cm when the planting density was lowest. The number of seeds per individual increased as planting density decreased. The thousand grain weight showed no significant differences among treatment plots. The greatest yield of ‘Hwanggeum’ was obtained at a planting density of 50×3 cm (314.9 kg·10 a-1) and that of ‘Leebackchal’ was obtained at 50×3 cm and 50×5 cm (358–356 kg·10 a-1).

Keywords
planting density
proso millet
wide-row drill seeding
yield
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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 : 64
  • No :1
  • Pages :33-39
  • Received Date : 2019-01-06
  • Revised Date : 2019-02-25
  • Accepted Date : 2019-02-25
  • DOI :https://doi.org/10.7740/kjcs.2019.64.1.033
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