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기장의 PE 멀칭과 재식밀도가 생육 및 수량에 미치는 영향

Effects of Polyethylene Film Mulching and Planting Densities on Growth and Yield of Proso Millet (Panicum miliaceum L.)

  • 정기열 (국립식량과학원 남부작물부) ;
  • 조수민 (국립식량과학원 남부작물부) ;
  • 강항원 (국립식량과학원 남부작물부) ;
  • 조영손 (경남과학기술대학교 종자실용화 연구소) ;
  • 윤동경 (경남과학기술대학교 농학.한약자원학부) ;
  • 전승호 (경남과학기술대학교 종자실용화 연구소)
  • Jung, Ki-Youl (Department of Southern Area Crop Science, NICS, RDA) ;
  • Jo, Su-Min (Department of Southern Area Crop Science, NICS, RDA) ;
  • Kang, Hang-Won (Department of Southern Area Crop Science, NICS, RDA) ;
  • Cho, Young-Son (Research Center for Seed Utilization, Gyeongnam National University of Science and Technology) ;
  • Yoon, Dong-Kyung (Division of Agronomy & Medicinal Plant Resources, Gyeongnam National University of Science & Technology) ;
  • Jeon, Seung-Ho (Research Center for Seed Utilization, Gyeongnam National University of Science and Technology)
  • 투고 : 2015.02.16
  • 심사 : 2015.05.07
  • 발행 : 2015.06.30

초록

본 연구는 건강 기능성 농산물로 각광을 받고 있으면서 수요와 재배면적이 점차 확대되고 있는 기장의 생산량 증대와 자급률 향상을 위한 체계적인 재배기술을 확립하기 위한 기초자료를 얻고자 재식밀도와 PE 멀칭에 따른 생육 및 수량에 미치는 영향을 알아보았다. 1. PE 멀칭에 따른 간장은 1년차 PE 멀칭구에서 138 cm로 17 cm 길게 나타났으며, 간경은 8.33 mm로 2년차 PE 멀칭구에서 굵게 나타났고 지상부생체중은 무멀칭구보다 PE 멀칭구에서 연차간 모두 37.7%, 9.0% 많이 나타났다. 2. 연차간 재식밀도에 따른 생육특성에서 간장은 1, 2년차 모두 재식밀도가 높은 10 cm처리구에서 130, 142cm로 가장 길게 나타났으며 재식밀도별 뚜렷한 차이를 보였다. 간경은 2년차에서는 간장과 반대로 재식밀도가 가장 낮은 20 cm처리구에서 가장 굵은 8.43 mm로 나타났다. 3. 이삭장은 PE 멀칭구에서 34.1, 40.7 cm로 무멀칭구 대비 20.1, 13.7% 더 긴 것으로 나타났다. 종실중 2년차에서는 PE 멀칭구에서 무멀칭구 대비 8.6% 더 무겁게 나타났으며, 천립중에선 무멀칭구에서 5.3% 더 무겁게 나타났다. 종실수량은 1.2년차 모두 뚜렷한 차이를 보였으며 1년차에서는 PE 멀칭구에서 $305kg{\cdot}10a^{-1}$, 2년차에서는 $242kg{\cdot}10a^{-1}$으로 나타났다. 4. 재식밀도에 따른 이삭장과 이삭당 종실중은 1.2년차 모두 재식밀도 낮을수록 길거나 무겁게 나타났으며 종실수량은 연차간 모두 15 cm처리구에서 $265kg{\cdot}10a^{-1}$, $253kg{\cdot}10a^{-1}$으로 수량구성요소에서 높은 값을 보인 20cm처리구 보다 10.0, 15.5% 높은 것으로 나타났다.

This study was conducted to evaluate effects of planting densities ($60{\times}10cm$, $60{\times}15cm$, $60{\times}20cm$) and PE mulching (polyethylene film mulching, non-mulching) on growth and yield of proso millet in drained paddy field for 2 years. In PE plots, culm length, culm diameter and fresh weight were higher than non-mulching plot. Additionally, spike length and seed weight per hill were also higher in PE plot but thousand seed weight was weightier in non-mulching plot. The yield of proso millet were increased with 10.0% and 15.5% at PE plot in 1st and 2nd, respectively. Culm diameter was thickest at $60{\times}20cm$ plot with 8.43 mm in 2nd however, culm length was longest at $60{\times}10cm$ plot with 130, 142 cm in 1st and 2nd, respectively. Plant height was higher by the increase of planting density. As plant density decreased, that spike length and seed weight per hill were increased. Yield of planting density were highest at $60{\times}15cm$ plot $265kg{\cdot}h10a^{-1}$, $253kg{\cdot}10a^{-1}$ yearly, respectively that it were in order of $60{\times}15cm$ plot > $60{\times}10cm$ plot > $60{\times}20cm$ plot.

키워드

참고문헌

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피인용 문헌

  1. Effects of Sowing Time on the Growth and Yield of Proso Millet (Panicum miliaceum L.) in Jeonbuk Area vol.61, pp.3, 2016, https://doi.org/10.7740/kjcs.2016.61.3.208
  2. Effect of Planting Density and Seeding Date on the Tiller Aspect and Growth Characteristics of Proso Millet (Panicum miliaceum L.) vol.29, pp.4, 2016, https://doi.org/10.7732/kjpr.2016.29.4.511
  3. Effects of Seeding Date and Polyethylene Film Mulching on the Yield Potential and Agronomic Characteristics of Proso Millet (Panicum miliaceum L.) in Miryang, Korea vol.61, pp.4, 2016, https://doi.org/10.7740/kjcs.2016.61.4.283
  4. 파종방법에 따른 기장과 조의 생육 및 수량 vol.63, pp.4, 2018, https://doi.org/10.7740/kjcs.2018.63.4.384
  5. 넓은이랑 줄뿌림 파종 시 재식밀도에 따른 기장의 생육 및 수량 vol.64, pp.1, 2019, https://doi.org/10.7740/kjcs.2019.64.1.033
  6. Effects of Seed Specific Gravity by Germination and Seeding Emergence in Proso millet (Panicum miliaceum L.) vol.31, pp.3, 2015, https://doi.org/10.12719/ksia.2019.31.3.278