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KMID : 0903619960370010099
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Journal of the Korean Society for Horticultural Science
1996 Volume.37 No. 1 p.99 ~ p.105
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Influence of Rootstock diameter on Yield and Quality of Cut Flower in rose (Rosa hybrida)
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윤재탁/Yoon, Jae Tak
최부술/한윤열/심용구/송인규/Choi, Boo Sull/Han, Youn Yol/Sim, Yong Gu/Song, In Kyu
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Abstract
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This experiment was carried out to elucidate the effect of the graft-union diameter of rose rootstock on yield and quality of rose cut flower for two years from 1993 to 1994 using the rootstock of Rosa multiflora Thunb. on three rose varieties-Mary Devor, Aalsmeer Gold, and Tineke. The larger the graftunion diameter of rootstock, the more the yield of cut flower. The number of stems per plant were about 41.4 stems, 39.0, and 32.8 stems in large seedling, medium seedling, and small seedling, respectively. The yield from large seedlings was 26.2% more than that from small seedlings. The number of cut flowers per plant was 44.2, 34.5, 32.5 in ´Mary Devor´, ´Aalsmeer Gold´, and ´Tineke´ rose, respectively. The quality of cut flower was high in order of large seedling $gt; medium seedling $gt; small seedling at early stage after cutting flower, but the remarkable difference at late stage was not shown. On the other hand, the yield of high quality cut flower whose cut stem was more than 50㎝ was 26.1 stems per plant in large seedling and 80.1 % higher than that from small seedling. Therefore, the larger the graft-union diameter of seedling, the more the yield and the higher the quality of cut flower can be expected.
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