상대광도별 삽주 유묘의 생장 및 뿌리 발달 특성
Growth and Root Development Characteristics of Atractylodes japonica Seedlings by Different Relative Light Intensity
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This study was carried out in order to investigate the early growth and root development characteristics ofAtractylodes japonica container seedling. Experiment was performed by light intensity (100%, 60%, 25% and 10% of fullsunlight). Height was surveyed well under 25% of full sunlight (overall 11.013.0%). Root collar diameter was the highest inthe full sunlight (7.52 ㎜). It was the highest fresh weight (1.52 g, 0.92 g, 0.90 g and 3.34 g) under 25% of full sunlight, rootdry weight was getting higher in the higher light level and the highest in the full sunlight (0.13 g). Total root length, rootproject area, root surface area and root volume were the highest under 25% of full sunlight (434.7 ㎝, 17.4 ㎠, 54.7 ㎠,0.55 ㎤, respectively) and the lowest under 10% of full sunlight. As a result of surveying the whole experiment, A. japonica isjudged nicely by maintaining 25% of full sunlight, excepting 10% of full sunlight. And light levels during the early growthare overly important to improve early growth.
Abstract
This study was carried out in order to investigate the early growth and root development characteristics ofAtractylodes japonica container seedling. Experiment was performed by light intensity (100%, 60%, 25% and 10% of fullsunlight). Height was surveyed well under 25% of full sunlight (overall 11.013.0%). Root collar diameter was the highest inthe full sunlight (7.52 ㎜). It was the highest fresh weight (1.52 g, 0.92 g, 0.90 g and 3.34 g) under 25% of full sunlight, rootdry weight was getting higher in the higher light level and the highest in the full sunlight (0.13 g). Total root length, rootproject area, root surface area and root volume were the highest under 25% of full sunlight (434.7 ㎝, 17.4 ㎠, 54.7 ㎠,0.55 ㎤, respectively) and the lowest under 10% of full sunlight. As a result of surveying the whole experiment, A. japonica isjudged nicely by maintaining 25% of full sunlight, excepting 10% of full sunlight. And light levels during the early growthare overly important to improve early growth.
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