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Sprouting Condition of Crown Bud and Plug Seedling Production in Yacon
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  • Sprouting Condition of Crown Bud and Plug Seedling Production in Yacon
  • Sprouting Condition of Crown Bud and Plug Seedling Production in Yacon
저자명
Doo. Hong-Soo,Choo. Byung-Kil,Ryu. Jeom-Ho
간행물명
Korean journal of crop science
권/호정보
1998년|43권 4호|pp.223-227 (5 pages)
발행정보
한국작물학회
파일정보
정기간행물|ENG|
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이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
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기타언어초록

The objectives of this study were to find the sprouting condition and to establish the optimum production methods of plug seedlings in yacon (Polymnia sonchifolia Poepp. & Endl.). The sprouting ratio was greatest at $30pm 1^{circ}C$ at 20 days after planting. Crowns with single buds were more effective than those with two or more buds for sprouting, which might be due to the apical dominance. Planting the shoots separated from crown after sprouting in the single- and double-layer polyethylene-covered greenhouses reduced seedling period with 25% and 50%, respectively. Planting the shoots after sprouting was more effective than planting the crown buds. Double-layer polyethylene-covered green-house was good for plug seedling production than open field or single-layer polyethylene-covered greenhouse. The bed soils composed of clay loam : compost or sand : compost (1:l=v:v) were more effective to produce plug seedlings than only clay loam, sand or compost. Seedlings could be produced at 30 days after planting in our studies.