Journal of Bio-Environment Control (생물환경조절학회지)

The Korean Society for Bio-Environment Control (한국생물환경조절학회)
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Promotion of Growth and Development of 'Seolhyang' Strawberry (Fragaria × ananassa Duch.) Runner Plant by Gibberellin Treatment

지베렐린 처리에 의한 '설향' 딸기 러너플랜트의 생장과 발육 촉진

  • Eun Ji Kim (Jeollabuk-do Agricultural Research and Extension Services) ;
  • Chi Seon Kim (Jeollabuk-do Agricultural Research and Extension Services) ;
  • Hyun Soo Jung (Jeollabuk-do Agricultural Research and Extension Services) ;
  • Jun Gu Lee (Department of Horticulture, College of Agriculture & Life Sciences, Jeonbuk National University)
  • 김은지 (전라북도농업기술원) ;
  • 김치선 (전라북도농업기술원) ;
  • 정현수 (전라북도농업기술원) ;
  • 이준구 (전북대학교 농업생명과학대학 원예학과)
  • Received : 2023.08.31
  • Accepted : 2023.10.08
  • Published : 2023.10.31
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Abstract

This study was conducted to determine the optimal dipping time and concentration of gibberellin for improving the growth and quality of domestic cultivar 'Seolhyang' strawberry when using runner plants. Strawberry runner plants were collected on November 10th and soaked in GA3 concentrations of 50, 100, and 150 mg·L-1 for 30 and 60 minutes, respectively. After 75 days of planting, the growth results showed that in the 30-minute, 50 mg·L-1 treatment, the crown diameter was thicker and the T/R ratio was lower, indicating better plant vitality. Runner length increased with lower gibberellin concentrations, particularly promoting vegetative growth. Photosynthetic efficiency was more influenced by gibberellin concentration than dipping time, and using concentrations above a certain threshold acted as a stress factor for runner plants, leading to decreased photosynthetic efficiency. For enhancing seedling growth, soaking with 50 mg·L-1 of gibberellin for 30 minutes was found to be optimal. This study verified the effects of gibberellin treatment on strawberry runner plants to improve plant growth and quality, providing useful basic data for using gibberellin.

본 연구는 국내 '설향' 딸기의 러너플랜트 활용 시 생육 및 품질을 향상시키기 위한 적정 지베렐린 침지시간과 농도 구명을 위하여 수행되었다. 딸기 러너플랜트는 11월 10일에 채취했으며, 50, 100, 150mg·L-1 농도의 GA3에 각각 30, 60분 침지 처리하였다. 삽목 75일 후 생육은 30분, 50mg·L-1 처리에서 관부직경이 굵고 T/R율이 작아 식물체 활력이 우수했다. 러너 길이는 지베렐린 농도가 낮을수록 길어져 영양생장으로 의 유도가 많이 이루어졌다. 광합성 효율은 침지시간보다 지베렐린 농도의 영향이 더컸으며, 일정 농도 이상으로 사용하게 되면 딸기 러너플랜트의 스트레스 요인으로 작용하여 광합성 효율이 감소하였다. 묘 생육을 증진시키기 위해서는 50mg·L-1 농도의 지베렐린에 30분 침지하는 것이 적정함을 확인하였다. 본 연구는 딸기 러너플랜트의 생육과 품질 향상을 위한 지베렐린 처리 효과를 확인함으로써 지베렐린을 이용하기 위한 유용한 기초 자료를 제공하였다.

Keywords

Acknowledgement

본 연구는 전라북도농업기술원의 연구비 지원으로 수행되었음.

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