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KMID : 0903619980390030323
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Journal of the Korean Society for Horticultural Science
1998 Volume.39 No. 3 p.323 ~ p.328
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Comparison of Productivity and Quality between Rockwool and Soil Culture of Cut Rose
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정순경/Chung, Soon Kyung
김원희/박윤점/유봉식/박선혜/Kim, Won Hee/Park, Yoon Jum/Yoo, Bong Sik/Park, Mi Hyea
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Abstract
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This study was carried out to compare rockwool and soil cultures for the practical cultivation in cut rose for two years. Comparison of yield between rockwool and soil cultures showed that the yields of the first cropping term for 68days in winter on rockwool were similar to the yields on soil. In the second cropping term, however, the yields on rockwool were significantly higher than the yields on soil. Stem length of cut flower was different among cultivars both on rockwool and soil cultures. Length of cut flower ´Carl Red´ was 61 ㎝ and 65.9 ㎝ during the first cropping term on rockwool and soil, respectively. During the second cropping term, the length decreased to 57 ㎝ on soil while that of rockwool was 61 ㎝. ´Goldem Emblem´ was better on rockwool with 68.4 ㎝ than 64.8 ㎝ on soil in the first cropping term, and the difference was even higher in the second cropping term with 68.4 ㎝ on rockwool and 61.7 ㎝ on soil. ´Tineke´ and ´Dolores´ showed shorter cut flower length on rockwool in the first cropping term, but the length was almost the same during the second cropping term. In general, cut flower length of all cultivars decreased in the continuous culture on soil. In the analysis of mineral contents of rockwool and soil-cultured roses, N, P, and K were higher, Ca and Fe showed no difference, and Mg and Mn were lower in rockwool cultured roses when compared to those on soil.
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