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플러그 셀 크기와 육묘일수에 따른 애호박의 묘 소질, 정식 후 초기 생육 및 과실 생산성 KCI 등재

Seedling Quality, and Early Growth and Fruit Productivity after Transplanting of Squash as Affected by Plug Cell Size and Seedling Raising Period

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생물환경조절학회지 (Journal of Bio-Environment Control)
한국생물환경조절학회 (The Korean Society For Bio-Environment Control)
초록

This research was conducted to figure out the optimal size of the plug cell and seedling raising period in ‘Nongwoo’ and ‘Nonghyeop’ cultivars. In the first experiment on effect of plug cell size on growth of squash, seedlings were transplanted into hydroponic cultivation beds at different growing stages: Those in 32-cell trays with 3-4 true leaves at 25 days after sowing, those in 50-cell trays with 2 true leaves at 15 days after sowing, those in 105-cell trays just before a true leaf development, and those in 162-cell trays with only cotyledons at 8 days after sowing. In the second experiment on effect of seedling raising period on growth of squash, it was conducted to have different sowing dates. But the same transplanting date, based on the results of Experiment 1, and compared the differences in growth and fruit productivity as affected by plug cell size in the same way with experiment 1 including the cultivars and environmental conditions. After setting the transplanting date in advance, the number of days for sowing were calculated back for each treatment. In the first experiment, plant height was the greatest in 105-cell trays followed by 162, 50 and 32-cell trays in both cultivars. The best fruit quality was found in different treatments depending on the cultivars, although it was the lowest in 32-cell trays in both cultivars. The fruit quality was not significantly different among those from cell sizes. Therefore, when raising seedlings in 105-cell trays, the period of raising seedlings can be shortened as compared with the conventional 32-cell trays, and this change could reduce the workforce required for growing and transplanting seedlings. In the second experiment, after transplanting, shoot height and leaf width in the first measurement in both cultivars were greater in the 32-cell treatment. However, the last measurement after four weeks showed no significant difference in plant height, but significantly greatest leaf width in the smallest cell treatment, even as compared with that in 32-cell treatment. In case of ‘Nongwoo’, length and weight of the first harvested fruit showed the highest values in the treatment of 105-cell trays. In case of ‘Nonghyeop’ the 162-cell treatment along with the 105-cell treatment showed greatest length and weight of the first fruits. From these results, zucchini plug seedlings can be raised in plug trays with reduced cell sizes than the conventional 32-cell trays with improved fruit productivity.

목차
Abstract
 서 론
 재료 및 방법
  1. 실험재료
  2. 파종과 정식
  3. 정식 후 관리
  4. 조사내용 및 측정방법
  5. 통계분석
 결과 및 고찰
  1. 플러그 셀 크기에 따른 애호박 육묘기간 단축효과
  2. 셀 크기에 의해 단축된 육묘기간에 따른 애호박의정식 후 생육과 과실 생산성
 적 요
 Literature Cited
저자
  • 김영숙(경상대학교 대학원 작물생산과학부) | Yeong Sook Kim (Division of Crop Production Science, Graduate School, Gyeongsang National University)
  • 박유경(경상대학교 농업생명과학연구원) | Yoo Gyeong Park (Institute of Agriculture and Life Science, Gyeongsang National University)
  • 정병룡(경상대학교 대학원 작물생산과학부/경상대학교 농업생명과학연구원/경상대학교 대학원 응용생명과학부(BK21 Plus Program)/경상대학교 생명과학연구원) | Ryong Jeong (Gyeongsang National University) Corresponding author