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멀칭재료와 GA<sub>3</sub>처리에 따른 유색칼라(Zantedeschia elliottiana cv. 'Black Magic')의 생육 및 개화반응
남춘우,유동림,김수정,서종택,백기엽,이상규,Nam, Chun-Woo,Yoo, Dong-Lim,Kim, Su-Jeong,Suh, Jong-Teak,Paek, Kee-Yoeup,Lee, Sang Gyu 충남대학교 농업과학연구소 2014 농업과학연구 Vol.41 No.4
This experiment had been conducted to determine optimal culture conditions for the growth and cut flowers of Calla (Zantedeschia 'Black Magic' 'Golden Affair') in highlands. Tubers of calla 'Black Magic' was treated with 0, 100, and $200mg{\cdot}L^{-1}$ concentration of $GA_3$. ABA content in tubers and roots were twice higher ($20-25pmol{\cdot}mL^{-1}$) in control than in $GA_3$ treated tubers and roots. ABA contents in tubers was not consistent but ABA contents in roots increased with increasing $GA_3$ concentration. However ABA is in inverse proportion to GA. It was mean that GA of high contents was ABA of low contents. Calla 'Golden Affair' was treated with different mulching materials (Control, black PE, Reflective film, Rice hull) and $GA_3$ concentrations (0, 50, 100 and $200mg{\cdot}L^{-1}$). It was largest in the length of flower at mulching of reflective film, Rice hull and it was greatest in the number of cut flowers at the treated with $200mg{\cdot}L^{-1}$ $GA_3$, Therefore the proper condition was at $200mg{\cdot}L^{-1}$ $GA_3$ with reflective film mulching.
멀칭재료와 GA3처리에 따른 유색칼라(Zantedeschia elliottiana cv. ‘Black Magic’)의 생육 및 개화반응
남춘우(Chun-Woo Nam),유동림(Dong-Lim Yoo),김수정(Su-Jeong Kim),서종택(Jong-Teak Suh),백기엽(Kee-Yoeup Paek),이상규(Sang Gyu Lee) 충남대학교 농업과학연구소 2014 농업과학연구 Vol.41 No.4
This experiment had been conducted to determine optimal culture conditions for the growth and cut flowers of Calla (Zantedeschia ‘Black Magic’ ‘Golden Affair’) in highlands. Tubers of calla ‘Black Magic’ was treated with 0, 100, and 200 mg?L-1 concentration of GA3. ABA content in tubers and roots were twice higher (20-25 pmol?mL-1) in control than in GA3 treated tubers and roots. ABA contents in tubers was not consistent but ABA contents in roots increased with increasing GA3 concentration. However ABA is in inverse proportion to GA. It was mean that GA of high contents was ABA of low contents. Calla ‘Golden Affair’ was treated with different mulching materials (Control, black PE, Reflective film, Rice hull) and GA3 concentrations (0, 50, 100 and 200 mg?L-1). It was largest in the length of flower at mulching of reflective film, Rice hull and it was greatest in the number of cut flowers at the treated with 200 mg?L-1 GA3, Therefore the proper condition was at 200 mg?L-1 GA3 with reflective film mulching.
수확시기와 야간온도가 유색칼라(Zantedeschia)의 구근생산에 미치는 영향
남춘우(Chun-Woo Nam),유동림(Dong-Lim Yoo),김수정(Su-Jeong Kim),서종택(Jong-Teak, Suh),백기엽(Kee-Yoeup Paek),이상규(Sang Gyu Lee),윤무경(Moo Kyung Yoon) 충남대학교 농업과학연구소 2013 농업과학연구 Vol.40 No.4
This experiment was carried out to determine optimal culture conditions for the production of tubers of Calla (Zantedeschia elliottiana ‘Golden Affair’ and ‘Black Magic’) in Korea highland. In vitro produced plantlets and tuberlets of Calla ‘Golden Affair’ and ‘Black Magic’ were planted plastic film greenhouse and grown for 100, 120, 140 days, with different night temperature treatments (0~10℃ : no heating, 10, 15℃). In both cultivars, tuber size(tuber diameter, tuber height) and tuber weight increased with increasing cultivation period when the night temperature was maintained at 10℃. The largest tuber diameter in vitro produced plantlets was 5.8cm in ‘Black Magic’ and 3.2cm in ‘Golden Affair’, and daily tuber growth rate was 1.110g in ‘Black Magic’ and 0.092g in ‘Golden Affair’ under the culture conditions. Consequently we think that tuber harvest date was Oct. 30 and night temperature was 10℃ and no heating that was proper method of tuber production. However we had selection of 10℃ treatment for tuber production because it appeared freezing damage occasionally in highland late in October.
고랭지에서의 근권환경에 따른 유색칼라(Zantedeschia)의 생육반응
남춘우(Chun-Woo Nam),유동림(Dong-Lim Yoo),김수정(Su-Jeong Kim),서종택(Jong-Teak, Suh),백기엽(Kee-Yoeup Paek),이상규(Sang Gyu Lee),윤무경(Moo Kyung Yoon) 충남대학교 농업과학연구소 2013 농업과학연구 Vol.40 No.4
This experiment has been carried out to determine optimal culture conditions for the production of cut flowers and tubers of Calla (Zantedeschia ‘Golden Affair’ and ‘Black Magic’) in highlands. Treatments consisted of various levels of root zone environments, Results are as follows: Calla ‘Golden Affair’ were grown with different mulching materials such as Non-mulching, Black film, reflective film, Rice hull. Mulching materials resulted in no difference in the number of cut flowers but flower length was highest in reflective film. Calla ‘Black Magic’ were treated with various soil water content, soil type and watering time. Number of cut flowers and flower quality were greatest when the plants were watered at -80 ㎪ soil water content. No symptoms of soft rot (Erwinia carotovora) was observed at this soil water content. The occurrence of soft rot was observed with similar percentage according to soil type and the soil water content. When Calla ‘Black Magic’ were watered at the time of soil surface drying, growth was greater compared to others. Air temperature and PPF affected plant growth and photosynthesis. Photosynthetic rate was greatest at 25℃ and PPF 200 μ㏖·m<SUP>-2</SUP>·s<SUP>-1</SUP>, while lowest at 28℃ and PPF 800 μ㏖·m<SUP>-2</SUP>·s<SUP>-1</SUP>. Soft rot did not occur without regard to dipping treatment (0, 5, 10, 24, 48 hours) when the day and night temperature were maintained at 25℃ and 20℃, respectively.