재배방법이 참죽나무 잎의 생육 및 무기물 함량에 미치는 영향

Effect of Culture Methods on Growth and Mineral Contents in Chinese Toon (Cedrela sinensis A. Juss)

  • Shin, Yong Seub (Gyeongsangbukdo Agricultural Research and Extension Services) ;
  • Lee, Mun Jung (Gyeongsangbukdo Agricultural Research and Extension Services) ;
  • Lim, Yang Sook (Gyeongsangbukdo Agricultural Research and Extension Services) ;
  • Lee, Eun Sook (Gyeongsangbukdo Agricultural Research and Extension Services) ;
  • Ahn, Joon Hyung (Gyeongsangbukdo Agricultural Research and Extension Services) ;
  • Han, Youn Yol (Gyeongsangbukdo Agricultural Research and Extension Services) ;
  • Lim, Jae Ha (Gyeongsangbukdo Agricultural Research and Extension Services) ;
  • Park, So Deuk (Gyeongsangbukdo Agricultural Research and Extension Services) ;
  • Chai, Jang Hea (Gyeongsangbukdo Agricultural Research and Extension Services)
  • 투고 : 2012.10.05
  • 심사 : 2012.10.29
  • 발행 : 2012.12.31

초록

참죽나무 순채 조기생산을 위하여 하우스와 노지재배에서 생산된 잎의 무기성분을 분석한 결과는 다음과 같다. 참죽나무 순채의 생장속도는 노지에 비하여 하우스 재배에서 다소 빠른 경향이었고, 정아의 경우 초장, 가지수 등 생육과 생체 중, 엽록소 함량 등 품질은 노지와 하우스재배 처리 간 큰 차이가 없었다. 참죽나무 순채의 색도(a값)는 측아보다는 정아에서 적색도가 다소 높았으나 하우스와 노지재배 간에는 차이가 거의 없었다. 참죽나무 정아 및 측아의 pH는 5.7~6.2 정도였고 N 함량은 측아의 평균 $500.5mg{\cdot}kg^{-1}$에 비해 정아에서 3.1배 많았고, 노지재배($1,430mg{\cdot}kg^{-1}$)보다는 하우스 재배에서 1.2배 많았다. P, Ca, Mg 및 Fe 함량도 노지재배에 비하여 하우스 재배에서 유의성 있게 높았는데, P는 1.1배, Ca는 1.7배, Mg는 2.0배, Fe는 2.3배 정도 많았으나 K 함량은 하우스 재배의 $2.94mg{\cdot}kg^{-1}$에 비하여 노지재배에서 1.6배 많았다. Ascorbic acid 함량은 하우스 측아에서 $1,461mg{\cdot}kg^{-1}$으로 가장 높았고 노지 측아, 노지 정아, 하우스 정아 순이었다. 이상의 결과를 종합하면 고품질 참죽나무 순채 생산을 위해서 하우스 재배가 필요한 것으로 생각된다.

In this study, we investigated the changes of growth characteristics, mineral and chlorophyll content of young leafy vegetable of Chinese toon grown under greenhouse and open fields. Results showed that growth of young leafy vegetable of Chinese toon was somewhat accelerated in greenhouse compared to the open field. In case of apical bud growth, several parameters such as plant height, number of branch, fresh weight and chlorophyll content showed similar tendency in both greenhouse and open field. In the changes of minerals, N content in apical buds recorded significant increase to 3.1 times compared to that of later buds. Its content was 1.2 times higher in greenhouse than that of open field. Mineral contents including P, Ca, Mg and Fe were significantly increased in greenhouse. Highest ascorbic acid content was observed in lateral buds grown in greenhouse and then it was followed such as lateral bud in open field, apical bud in open field, and apical bud in greenhouse, in turn. These results indicate that greenhouse culture could be applicable to new culture in order to produce young leafy vegetable of Chinese toon with high quality.

키워드

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