Journal of Bio-Environment Control (생물환경조절학회지)

The Korean Society for Bio-Environment Control (한국생물환경조절학회)
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Growth of Tomato and Pepper Grafted Plug Seedlings under Different Shading Condition During Acclimatization after Graft-taking

접목활착 후 순화시 차광조건에 따른 토마토와 고추 접목묘의 생육

  • Jo, Hyeon Gyu (Division of Applied Life Science, Graduate School of Gyeongsang National University) ;
  • Jeong, Hyeon Woo (Division of Applied Life Science, Graduate School of Gyeongsang National University) ;
  • Lee, Hye Ri (Division of Applied Life Science, Graduate School of Gyeongsang National University) ;
  • Kwon, Su Min (Division of Applied Life Science, Graduate School of Gyeongsang National University) ;
  • Hwang, Hee Sung (Division of Crop Science, Graduate School of Gyeongsang National University) ;
  • Hwang, Seung Jae (Department of Horticulture, College of Agriculture & Life Sciences, Gyeongsang National University)
  • 조현규 (경상대학교 대학원 응용생명과학부) ;
  • 정현우 (경상대학교 대학원 응용생명과학부) ;
  • 이혜리 (경상대학교 대학원 응용생명과학부) ;
  • 권수민 (경상대학교 대학원 응용생명과학부) ;
  • 황희성 (경상대학교 대학원 작물생산과학부) ;
  • 황승재 (경상대학교 농업생명과학대학 원예학과)
  • Received : 2020.10.28
  • Accepted : 2020.12.10
  • Published : 2021.01.31
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Abstract

Acclimatization after grafting and graft-take that in order to produce plug seedlings of high-quality are important plug seedling stage which not reduce the plug seedlings quality before shipment. Appropriate acclimatization environment can not only increase seedling quality before secondary growth period, but also effective in promoting the growth of plug seedlings. This study was conducted to determine the optimal the shading period and shading level for acclimatization of tomato and pepper grafted plug seedlings after graft-take. The tomato and pepper seedlings were used in this experiment, and after graft-take, a tunnel was installed on a bed in glasshouse of venlo type to started shading treatment. The shading levels were 35, 55, 75 and 95%, and the shading periods were 1 and 2 weeks, and non-treatment was set as the control. In the case of tomato grafted plug seedling, plant height, stem diameter, dry weight of root, leaf area were significantly higher at the shading period of 1 week and the shading level was 55%. In the case of pepper grafted plug seedling, plant height, stem diameter, and leaf area were the highest in the shading period of 2 weeks and the shading level was 35%. However, dry weight of root, compactness, and T/R ratio, which seedling quality indicators, were lower than in the shading period of 1 week and the shading level 55%. Therefore, considering the quality of seedlings, it is suggested that shading period of 1 week with shading level of 55% treatment can be suitable to produce high quality grafted plug seedlings of tomato and pepper.

고품질의 공정묘를 생산하기 위해 접목 및 활착 이후 순화는 출하 전의 묘소질을 감소시키지 않는 중요한 육묘단계이다. 적절한 순화 조건은 2차 육묘시기 전 묘소질을 증가시킬 수 있을 뿐만 아니라 묘의 생육촉진에 효과적이다. 따라서 본 연구는 공정묘의 순화시 적절한 차광조건을 확인하기 위해 수행되었다. 실험 작물은 토마토와 고추를 이용하였으며, 두 작물 모두 활착이 끝난 뒤 벤로형 유리온실에 있는 베드에 터널을 설치하여 차광 처리를 하였다. 차광률은 35%, 55%, 75% 그리고 95%로 진행했고, 차광기간을 1주와 2주로 진행하였으며, 무처리를 대조구로 하였다. 토마토 접목묘의 경우 차광기간 1주, 차광률 55%에서 초장, 경경, 지하부의 건물중, 엽면적이 유의성 있게 우수하였다. 고추 접목묘는 초장, 경경, 엽면적은 차광기간 2주, 차광률 35%에서 가장 높았으나 묘소질을 판단하는 지표인 지하부의 건물중, 충실도, T/R율은 차광기간 1주, 차광률 55%에 비해 낮게 나타났다. 따라서 묘소질을 고려하였을 때, 토마토와 고추 접목묘의 순화시 차광기간 1주, 차광률 55% 처리를 하는 것이 묘소질이 우수한 묘를 생산하는데 적합한 것으로 판단된다.

Keywords

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