Effects of Bulb Size, Type of Media, Depth of Planting, and Nutrient Compositions on the Growth of Tissue Cultured Garlic Microbulbs in Hydroponic Culture

조직배양 마늘의 양액재배시 종구크기, 상토, 재식깊이 및 양액조성이 맹아 및 생육에 미치는 영향

  • 최영일 (충북대학교 첨단원예개발연구센터) ;
  • 선정훈 (충북대학교 첨단원예개발연구센터) ;
  • 정경호 (동양물산연구소) ;
  • 신성련 (중부대학 원예학과) ;
  • 백기엽 (충북대학교 첨단원예개발연구센터)
  • Published : 1999.03.01

Abstract

This study was carried out to investigate the effects of bulb size, type of media, depth of planting, and nutrient compositions on sprouting and growth of tissue cultured garlic microbulbs in hydroponic culture. Early and increased sprouting were observed when the microbulbs were transplanted into soil planted in shallow (1 cm in depth), while bulb size and fresh weight of the whole plant increased in deep planting (3 cm in depth). Bulb size have greatly influenced on not only sprouting rate but also plant growth after planting. Large bulbs resulted in high growth rate such as number of leaves, stem width, plant height, and increase in bulb size after planting. It was shown that Oriental nutrient solution (N=0.17, P=0.45, K=1.29, Ca=2.44, and Mg=0.98 me/L) was more effective in sprouting and further growth of microbulbs as compared to Yamazaki solution (N=0.27, P=0.16, K=1.50, Ca=1.36 and Mg=0.78 me/L). Microbulbs grown in mixture of leaf mould + bark + sand or Baroko showed the most vigrous growth.

양액재배에 의한 조직배양 마늘의 종구 생산시 종구의 크기, 배양토 종류, 재식 깊이와 양액조성이 맹아 소요일수, 맹아율 및 생육에 미치는 영향에 대해 실험하였다. 양액종류, 종구의 크기에 관계없이 재식깊이를 1cm로 하였을 때 깊게 심은 (3cm)식재구에 비해 최초 맹아일수 및 맹아율이 크게 단축되었다. 반면 수확 후 종구의 직경, 무게 및 식물체 생체중은 재식 깊이 3cm로 하였을 때 다소 증가하였다. 종구의 크기는 맹아율, 맹아일수뿐만 아니라 식재 후의 생육에도 크게 영향을 미쳤는데 조직배양시 가능한 큰 종구를 생산하는 것이 토양이식 후 양호한 생육을 촉진할 수 있을 것으로 나타났다. 오리엔탈 양액 (N=0.17, P=0.45, K=1.29, Ca=2.44, and Mg=0.98 me/L)은 야마자끼 (N=0.27, P=0.16, K=1.50, Ca=1.36, and Mg=0.78 me/L) 양액보다 종구의 생장과 맹아율이 높았다. 식재용토로써 부엽, 바크, 모래를 혼합한 상토나 바로커를 이용하였을 때 수확 후의 종구의 직경, 무게 및 식물체 생체중이 현저히 증가하였다.

Keywords

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