다양한 인공광원이 엘라티올 베고니아와 제라늄의 생장 및 개화에 미치는 영향 Effects of Various Artificial Light Sources on Growth and Flowering in Begonia xhiemalis and Pelargonium crispum원문보기
본 연구는 실내에서 활용할 수 있는 분화식물인 Begonia xhiemalis ‘Camilla’와 Pelargonium crispum ‘Angeleyes Randy’의 생장과 발육에 미치는 다양한 광원의 영향을 비교하고자 수행되었다. 인공광원은 fluorescent lamp(FL) bar-type(bar) + bulb-type(bulb), FL bar + LED bar, FL bulb + halogen lamp(HL), FL bar + LED bulb, LED bar, high pressure sodium lamp(HPS), metal halide lamp(...
본 연구는 실내에서 활용할 수 있는 분화식물인 Begonia xhiemalis ‘Camilla’와 Pelargonium crispum ‘Angeleyes Randy’의 생장과 발육에 미치는 다양한 광원의 영향을 비교하고자 수행되었다. 인공광원은 fluorescent lamp(FL) bar-type(bar) + bulb-type(bulb), FL bar + LED bar, FL bulb + halogen lamp(HL), FL bar + LED bulb, LED bar, high pressure sodium lamp(HPS), metal halide lamp(MH), mercury lamp(MC) 단독 및 혼합광원 하에서 2개월 유지되었고, 환경조건은 온도 22±2℃, 광도 25±2µmol·m-2·s-1, 일장 16시간이었다. B. xhiemalis ‘Camilla’에 있어서 초장, 초폭, 엽수는 광원의 영향을 받지 않았으나, 엽록소 함량은 FL bar + LED bar 혼합광에서 많았으며 FL bulb + HL 혼합광에서 적었다. 누적 개화수는 FL bulb + HL 혼합광에서 89.8로 가장 많았으며, FL bar + LED bar 혼합광에서 약 54개로 적었다. 화폭은 FL bar + LED bar 혼합광에서 3.8cm로 작았으며, MH 단독광에서 4.8cm로 가장 컸다. 광합성 속도는 FL bar + LED bar 혼합광 하에서 0.975µmol CO2·m-2·s-1로 가장 높았고 HPS에서도 0.601µmol CO2·m-2·s-1로 비교적 높았던 반면, MC에서는 -0.106µmol CO2·m-2·s-1로 호흡량이 더 많았다. P. crispum ‘Angeleyes Randy’에 있어서 초장은 각 광원별로 유의차가 없었으나, 초폭에서는 FL bar + LED bar 혼합광 하에서 20.4cm, LED bar 단독광 하에서 17.5cm로 처리간 차이가 나타났다. 엽록소 함량은 LED bar 단독광과 FL bulb + HL 혼합광에서 처리간 유의차가 있었다. 누적 개화수에 있어서는 MH 단독광에서 62.5, FL bar + LED bar 혼합광에서 41.8로 유의차가 있었다. 화폭은 FL bar + LED bar 혼합광에서 가장 작았으며 다른 혼합광 간에는 2.0~2.2cm로 유의차가 없었다. 이상의 결과를 종합해 볼 때, 실내에서 관화식물의 정상적인 생장 및 개화를 위해서는 적합한 광원의 선정이 중요하다고 판단되었다.
본 연구는 실내에서 활용할 수 있는 분화식물인 Begonia xhiemalis ‘Camilla’와 Pelargonium crispum ‘Angeleyes Randy’의 생장과 발육에 미치는 다양한 광원의 영향을 비교하고자 수행되었다. 인공광원은 fluorescent lamp(FL) bar-type(bar) + bulb-type(bulb), FL bar + LED bar, FL bulb + halogen lamp(HL), FL bar + LED bulb, LED bar, high pressure sodium lamp(HPS), metal halide lamp(MH), mercury lamp(MC) 단독 및 혼합광원 하에서 2개월 유지되었고, 환경조건은 온도 22±2℃, 광도 25±2µmol·m-2·s-1, 일장 16시간이었다. B. xhiemalis ‘Camilla’에 있어서 초장, 초폭, 엽수는 광원의 영향을 받지 않았으나, 엽록소 함량은 FL bar + LED bar 혼합광에서 많았으며 FL bulb + HL 혼합광에서 적었다. 누적 개화수는 FL bulb + HL 혼합광에서 89.8로 가장 많았으며, FL bar + LED bar 혼합광에서 약 54개로 적었다. 화폭은 FL bar + LED bar 혼합광에서 3.8cm로 작았으며, MH 단독광에서 4.8cm로 가장 컸다. 광합성 속도는 FL bar + LED bar 혼합광 하에서 0.975µmol CO2·m-2·s-1로 가장 높았고 HPS에서도 0.601µmol CO2·m-2·s-1로 비교적 높았던 반면, MC에서는 -0.106µmol CO2·m-2·s-1로 호흡량이 더 많았다. P. crispum ‘Angeleyes Randy’에 있어서 초장은 각 광원별로 유의차가 없었으나, 초폭에서는 FL bar + LED bar 혼합광 하에서 20.4cm, LED bar 단독광 하에서 17.5cm로 처리간 차이가 나타났다. 엽록소 함량은 LED bar 단독광과 FL bulb + HL 혼합광에서 처리간 유의차가 있었다. 누적 개화수에 있어서는 MH 단독광에서 62.5, FL bar + LED bar 혼합광에서 41.8로 유의차가 있었다. 화폭은 FL bar + LED bar 혼합광에서 가장 작았으며 다른 혼합광 간에는 2.0~2.2cm로 유의차가 없었다. 이상의 결과를 종합해 볼 때, 실내에서 관화식물의 정상적인 생장 및 개화를 위해서는 적합한 광원의 선정이 중요하다고 판단되었다.
This study was conducted to compare the effects of various artificial light sources on the growth and development of flowering potted plants Begonia xhiemalis ‘Camilla’ and Pelargonium crispum ‘Angeleyes Randy’ that can be used indoors. Plants were grown for 2 months under various artificial lamp as...
This study was conducted to compare the effects of various artificial light sources on the growth and development of flowering potted plants Begonia xhiemalis ‘Camilla’ and Pelargonium crispum ‘Angeleyes Randy’ that can be used indoors. Plants were grown for 2 months under various artificial lamp as follows: fluorescent lamp (FL) bar-type (bar) + bulb-type (bulb), FL bar + LED bar, FL bulb + halogen lamp (HL), FL bar + LED bulb, LED bar, high pressure sodium lamp (HPS), metal halide lamp (MH), mercury lamp (MC). Environmental conditions of a phytotron were PPFD of 25±2 μmol·m-2·s-1, air temperature of 22±2℃, and day length of 16 hours. Under the various light sources, B. xhiemalis ‘Camilla’ showed no significant difference in the plant height, plant width and number of leaves. Chlorophyll content was higher under the mixed light of FL bar and LED bar and lower under the mixed light of FL bulb and HL. The cumulative number of opened flowers was largest (89.8) under the mixed light of FL bulb and HL, and smallest (54.0) under the mixed light of FL bar and LED bar. Flower diameter was smallest under the mixed light of FL bar and LED bar (3.8 cm), while largest under MH (4.8 cm). Photosynthetic rate was highest under the mixed light of FL bar and LED bar (0.975 µmolCO2·m-2·s-1) and relatively high under HPS (0.601 µmolCO2·m-2·s-1), while lowest under MC (-0.106 µmolCO2·m-2·s-1). In P. crispum ‘Angeleyes Randy’, there was no significant difference in plant height among light sources, while plant width showed a significant difference between FL bar + LED bar (20.4 cm) and LED bar (17.5 cm). Chlorophyll content was significantly different between the single LED bar light and the mixed light of FL bulb and HL. In the cumulative number of opened flowers, there was significant difference between MH (62.5) and the mixed light of FL bar and LED bar. Flower diameter was smallest under the mixed light of FL bar and LED bar, and there was no significant difference between other mixed lights which ranged from 2.0 to 2.2 cm. In conclusion, we have to select light sources for interior flowering plants concerning their effects on plant growth and flowering.
This study was conducted to compare the effects of various artificial light sources on the growth and development of flowering potted plants Begonia xhiemalis ‘Camilla’ and Pelargonium crispum ‘Angeleyes Randy’ that can be used indoors. Plants were grown for 2 months under various artificial lamp as follows: fluorescent lamp (FL) bar-type (bar) + bulb-type (bulb), FL bar + LED bar, FL bulb + halogen lamp (HL), FL bar + LED bulb, LED bar, high pressure sodium lamp (HPS), metal halide lamp (MH), mercury lamp (MC). Environmental conditions of a phytotron were PPFD of 25±2 μmol·m-2·s-1, air temperature of 22±2℃, and day length of 16 hours. Under the various light sources, B. xhiemalis ‘Camilla’ showed no significant difference in the plant height, plant width and number of leaves. Chlorophyll content was higher under the mixed light of FL bar and LED bar and lower under the mixed light of FL bulb and HL. The cumulative number of opened flowers was largest (89.8) under the mixed light of FL bulb and HL, and smallest (54.0) under the mixed light of FL bar and LED bar. Flower diameter was smallest under the mixed light of FL bar and LED bar (3.8 cm), while largest under MH (4.8 cm). Photosynthetic rate was highest under the mixed light of FL bar and LED bar (0.975 µmolCO2·m-2·s-1) and relatively high under HPS (0.601 µmolCO2·m-2·s-1), while lowest under MC (-0.106 µmolCO2·m-2·s-1). In P. crispum ‘Angeleyes Randy’, there was no significant difference in plant height among light sources, while plant width showed a significant difference between FL bar + LED bar (20.4 cm) and LED bar (17.5 cm). Chlorophyll content was significantly different between the single LED bar light and the mixed light of FL bulb and HL. In the cumulative number of opened flowers, there was significant difference between MH (62.5) and the mixed light of FL bar and LED bar. Flower diameter was smallest under the mixed light of FL bar and LED bar, and there was no significant difference between other mixed lights which ranged from 2.0 to 2.2 cm. In conclusion, we have to select light sources for interior flowering plants concerning their effects on plant growth and flowering.
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