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나지(裸地)에서 벌개미취 생장에 미치는 재식거리의 영향
신세균,박재호,전종옥,윤태,윤종선 韓國植物ㆍ人間ㆍ環境學會 2001 인간식물환경학회지 Vol.4 No.3
The Primary goal of this research is to verify the usefulness of Aster Koraiensis as a garden plant and to figure out the appropriate planting space which would bring the most effective results in terms of scenery and cost. For these purpose, we gathered the saplings of the wild grown Aster koraiensis in August and maintained them for winter. The following spring, we planted them in flat bare land with 3 different panting spaces of 50 x 50Cm, 40x30Cm, 30x30Cm. 2nd years after planting, we observed and compared the 3 different columns on the status of growth, number and size of leaves and conditions of flowering. The results are as follows : The number of leaves, stalks and roots of individual plants were increased by the wider planting density. But the ratio of leaf area per unit area appeared to be the highest in the 40X30cm sector which showed 366.9%, while the 50x50cm column showed 294.1% and 360.4% in the 30X30cm column. As for the conditions of flowering, such as the size of flowers, the number of petals per blossom and the length of flowerstalks, the best results were observed in the 50x50cm column. On the other hand, the 40x30cm column yielded the largest number of blossoms per unit area. On the basis of these results, we could induce that the 30x30cm column had already passed the peak point for the best scenery within 2 years after planting, while the 50x50cm column had not yet reached the peak point. Naturally, this leads to the conclusion that the 40x40cm planting space could be most effective when we assume the peak period for scenery to be 2nd years after planting. According to our investigation, the blooming period of Aster Koraiensis in the central region of the Korean peninsular lasts about 70 days from 15th June to 25th August. And the peak blooming time is 30 days from 5th July to 5th August. On the basis of these findings, we can reach the final conclusion that Aster Koraiensis has many merits and is useful as ornamental flavor of garden.