플러그 트레이 셀의 크기 , 광도 , 시비 조건이 긴산꼬리풀의 육묘에 미치는 영향
Effects of Plug Tray Size, Light Intensity, and Fertilization Condition on Seedling Growth of Pseudolysimachion longifolium (L.) Opiz
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Background: This study was conducted to develop an effective cultivation technique for Pseudo- lysimachion longifolium using plug trays with different cell sizes and light intensities. Methods and Results: To investigate the growth difference according to the plug tray cell size, nursery soil was filled into trays of 34, 21, and 10 ㎖; to observe growth differences according to light intensity, the intensity was set at 50, 100, 200, 300, and 400 µmol·m-2·s-1. Further, to deter- mine differences according to the fertilizer concentration, Peters fertilizer was used at concentra- tions of 0, 500, 1,000, and 2,000 ㎎·ℓ-1. The overall growth of P. longifolium did not show statistically significant differences according to the cell size or tray volume. However, based on light intensity, higher shoot height, shoot width, leaf area, and above/below ground biomass were found under 200 µmol·m-2·s-1 intensity; further, based on fertilization level, plant growth was higher in all treatment groups than that in the control group; especially, the highest growth was observed at 2,000 ㎎·ℓ-1. Therefore, seeding P. longifolium in a 10 ㎖ plug tray and cultivating under a light intensity of 200 µmol·m-2·s-1 is considered economically beneficial for the mass pro- duction of superior individuals. Conclusions: Overall, these results can facilitate the development of effective cultivation tech- niques for P. longifolium using plug trays.
Abstract
Background: This study was conducted to develop an effective cultivation technique for Pseudo- lysimachion longifolium using plug trays with different cell sizes and light intensities. Methods and Results: To investigate the growth difference according to the plug tray cell size, nursery soil was filled into trays of 34, 21, and 10 ㎖; to observe growth differences according to light intensity, the intensity was set at 50, 100, 200, 300, and 400 µmol·m-2·s-1. Further, to deter- mine differences according to the fertilizer concentration, Peters fertilizer was used at concentra- tions of 0, 500, 1,000, and 2,000 ㎎·ℓ-1. The overall growth of P. longifolium did not show statistically significant differences according to the cell size or tray volume. However, based on light intensity, higher shoot height, shoot width, leaf area, and above/below ground biomass were found under 200 µmol·m-2·s-1 intensity; further, based on fertilization level, plant growth was higher in all treatment groups than that in the control group; especially, the highest growth was observed at 2,000 ㎎·ℓ-1. Therefore, seeding P. longifolium in a 10 ㎖ plug tray and cultivating under a light intensity of 200 µmol·m-2·s-1 is considered economically beneficial for the mass pro- duction of superior individuals. Conclusions: Overall, these results can facilitate the development of effective cultivation tech- niques for P. longifolium using plug trays.
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