한국자원식물학회지 (Korean Journal of Plant Resources)

  • 제10권4호
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  • Pages.411-417
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  • 1997
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  • 1226-3591(pISSN)
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  • 2287-8203(eISSN)
한국자원식물학회 (The Plant Resources Society of Korea)
권호 표지

Uniconazol 및 Paclobutrazol의 葉面散布 처리가 더덕의 생육 및 수량에 미치는 영향

Effect of Foliar Application of Uniconazol and Paclobutrazol on Growth and Yield of Codonopsis lanceolata

  • 발행 : 1997.12.01
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초록

더덕의 재배기술 개선을 목적으로 Uniconazol 및 Paclobutrazol을 더덕의 생장기별로 엽면산포(葉面散布)를 행했다. Uniconazol 및 Paclobutrazol 처리는 처리시기에 관계 없이 농도가 높을수록 초장은 억제되었으며 엽면적(葉面積)의 감소를 나타냈다. Uniconazol 처리에 의한 지하부의 형질은 3절(節) 분화시의 처리를 제외한 모든 처리구에서 대조구와의 유의차가 인정되지 않았다. 그러나12절 분화시의 10mg $liter^1$ 와 100mg $liter^1$ 농도처리에서는 대조구보다 생체중(生體重)이 각각 64%, 100%의 증가를 보였다. 세포독성(細胞毒性) Screening의 결과는 대조구 및 6절 분화시 10mg $liter^1$ 처리구에서만 활성을 나타했다. Paclobutrazol 처리에 의한 지하부의 생체중(生體重)은 3절(節) 분화시의 처리를 제외한 모든 처리구에서 대조구와의 유의차가 인정되지 않았다. 그러나 12절 분화시의 10mg $liter^1$ 농도처리에 의해 조금의 증가를 보였다. 세포독성(細胞毒性) Screening의 결과는 대조구 및 모든 처리구에서 약한 활성치를 나타냈다.

In order to improve cultivation technique of Codonopsis lanceolata, uniconazol and paclobutrazol were treated periodically with foliar application during differentiation of node. Plant height, width and length of leaves decreased as the concentration of uniconazol and paclobutrazol increased independently of application period. Characteristics of subterranean part of all treatment by uniconazol foliar application did not show any significant difference to control, except when treated at the differentiated stage of 3rd node. But, when uniconazol was treated with the concentration of 10, 100mg $liter^1$, respectively at the differentiated stage of 12th node, fresh weight was increased to approximately 64%, 100% of control, respectively. Control and 10mg $liter^1$ treated at the differented stage of 6th node showed antitumor activity by the P388 cytotoxic screening test. Fresh weight of all treatment by paclobutrazol foliar application was not showed signigicant difference to control, except when treated at the differentiateed stage of 3rd node. But, when paclobutrazol was treated with the concentration of 10mg $liter^1$ at the differentiated stage of 12th node, fresh weight was slightly increased of control. All treatment showed slight antitumor activity by the P388 cytotoxic screening test.

키워드

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