Korean Journal of Plant Resources (한국자원식물학회지)

The Plant Resources Society of Korea (한국자원식물학회)
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Changes in Growth and Morphological Characteristics of Soybean Sprouts in Response to Agitation of Culture Box

재배통의 흔들음 정도에 따른 콩나물의 생장과 형태 변화

  • Hong Dong-Oh (College of Agriculture and Life Sci., Gyeongsang Natl. Univ.) ;
  • Lee Chang-Woo (College of Agriculture and Life Sci., Gyeongsang Natl. Univ.) ;
  • Kim Hong-Young (College of Agriculture and Life Sci., Gyeongsang Natl. Univ.) ;
  • Kim Hee-Kyu (College of Agriculture and Life Sci., Gyeongsang Natl. Univ.) ;
  • Kang Jin-Ho (Research Institute of Life Sci., Gyeongsang Natl. Univ.)
  • 홍동오 (경상대학교 농업생명과학대학) ;
  • 이창우 (경상대학교 농업생명과학대학) ;
  • 김홍영 (경상대학교 농업생명과학대학) ;
  • 김희규 (경상대학교 농업생명과학대학) ;
  • 강진호 (경상대학교 생명과학연구원)
  • Published : 2006.04.01
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Abstract

The marketability of soybean sprout mainly depends on shape such as hypocotyl thickness and presence of lateral root formation, etc. To clarify the effects of agitating culture box on growth and shape of soybean sprouts, different agitation frequency (0, 3, 5 times day-1) and duration (0, 1, 2, 3 days) were applied during sprout cultivation. More frequent and longer agitation resulted in less lateral root formation and shorter hypocotyl length, while total lengths were not affected by agitation due to agitation-induced root length increment. Agitation also increased the diameter of hypocotyl's hook pin, but not the middle part. Unlike morphological characteristics, the growth of sprouts as measured by fresh and dry weight of cotyledon, hypocotyl, root were not affected by agitation. In conclusion, it is very likely that agitating culture box during sprout cultivation may alter the shape of soybean sprouts without affecting growth of sprouts.

콩나물의 상품성은 형태에 따라 크게 변한다. 본 연구는 상면살수 방식에서 재배통의 흔들음 정도가 콩나물의 생장과 형태에 미치는 영향을 조사하고자 재배 초기 3일간의 흔들음 횟수(0, 3, 5회/일)와 기간(5회/일로 1, 2, 3일)을 달리하여 시험을 수행하였던 바 그 결과를 요약하면 다음과 같다. 1. 개체당 형성된 세근수는 흔들음 횟수와 기간이 증가할수록 적어지는 경향을 보였다. 2. 콩나물 전체길이는 흔들음 횟수와 기간간에 차이가 없었다. 그러나 흔들음 횟수와 기간이 많고 길수록 하배축은 짧아졌던 반면, 뿌리는 길어지는 것으로 조사되었다. 3. 자엽 바로 아래의 hook 직경은 흔들음 횟수가 증가할수록 커졌으나, 하배축 중간부분의 직경은 흔들음 횟수와 기간간에 차이가 없는 것으로 나타났다. 4. 개체당 각부위 및 전체 생체중과 건물중은 흔들음 횟수와 기간간에 차이가 없었다. 따라서 상면살수 방식에서 재배통의 흔들음은 콩나물의 생장보다는 형태에 주로 영향을 미치는 것으로 나타났다.

Keywords

References

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