Journal of Bio-Environment Control (생물환경조절학회지)

The Korean Society for Bio-Environment Control (한국생물환경조절학회)
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Use of Pellet Type Phenolic Foam as a Medium for Production of Plug Seedlings of 'Madison' Tomato

토마토 플러그 묘 생산을 위한 배지로서 펠릿형 Phenolic Foam의 이용

  • No, Kyoung Ok (Institute of Agriculture and Life Sciences, Gyeongsang National University) ;
  • Kang, Jeong Hwa (Department of Horticulture, Division of Applied Life Science (BK21 Program)) ;
  • Kim, Hye Min (Department of Horticulture, Division of Applied Life Science (BK21 Program)) ;
  • An, Chul Geon (Gyeongnam Agriculture Research & Extension Services) ;
  • Jeong, Byong Ryong (Institute of Agriculture and Life Sciences, Gyeongsang National University) ;
  • Hwang, Seung Jae (Institute of Agriculture and Life Sciences, Gyeongsang National University)
  • 노경옥 (경상대학교 농업생명과학연구원) ;
  • 강정화 (경상대학교 대학원 응용생명과학부(BK21 Program)) ;
  • 김혜민 (경상대학교 대학원 응용생명과학부(BK21 Program)) ;
  • 안철근 (경상남도농업기술원 수출농식품연구과) ;
  • 정병룡 (경상대학교 농업생명과학연구원) ;
  • 황승재 (경상대학교 농업생명과학연구원)
  • Received : 2012.05.10
  • Accepted : 2012.08.15
  • Published : 2012.09.30
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Abstract

This study was conducted in a glasshouse to examine the possibility of producing tomato plug seedlings in a newly-developed inert phenolic foam medium. Plug seedlings of 'Madison' tomato were grown in four pellet type media, Grodan rockwool, UR rockwool, phenolic foam LC, and phenolic foam LC-lite. Seed germination was checked for 7 days. Seedling growth was measured at 19 days after sowing. The greatest germination was obtained in the phenolic foam LC and phenolic foam LC-lite. Plant height, hypocotyl length, leaf area, dry weight, and fresh weight were significantly greater in the rockwool medium than those in the other media. However, the T/R ratio and stem diameter were the greatest in the phenolic foam LC than those in the other media. The total porosity and container capacity of the phenolic foam LC was higher than in the other media. The air space (%) was lowest in the phenolic foam LC. Overall, the phenolic foam LC and phenolic foam LC-lite produced seedlings with similar growth as the rockwool. These results suggested that both phenolic foam LC and phenolic foam LC-lite have potential to be used in production of plug seedlings of 'Madison' tomato.

본 연구는 새롭게 개발된 무기물인 phenolic foam 배지를 이용한 토마토 파종용 플러그 묘의 생산 가능성을 평가하기 위하여 수행되었다. 토마토 'Madison' 품종을 Grodan 암면, UR 암면, phenolic foam LC, phenolic foam LC-lite 4종류의 펠릿 배지를 플러그 트레이에 파종하였다. 파종 후 7일 동안 발아율을 조사하였다. 묘의 생육은 파종 후 19일째에 측정하였다. Phenolic foam LC와 LC-lite 배지에서 가장 높은 발아율을 보였다. 초장, 하배축, 엽면적, 건물중, 생체중은 암면배지에서 유의적으로 양호한 결과를 나타냈다. 하지만 T/R율과 경경은 phenolic foam LC 배지에서 양호한 결과를 나타냈으며, 총공극과 용기용수량 또한 다른 배지와 비하여 가장 높게 측정되었다. 기상률은 phenolic foam LC 배지에서 가장 낮았다. 전체적으로 phenolic foam 배지인 LC와 LC-lite는 암면배지와 비교하여 유사한 생육을 보였다. 본 연구에서 'Madison' 토마토의 공정 묘 생산을 위한 배지로서 phenolic foam LC와 LC-lite 배지의 이용 가능성이 입증되었다.

Keywords

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