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KMID : 1098420040120060473
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Korean Journal of Medicinal Crop Science
2004 Volume.12 No. 6 p.473 ~ p.477
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Development of Upland Cultivation for Production of Marketable Rhizomes in Wasabia japonica Matsum.
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Moon Jung-Seob
Jang Young-Gik
Choi Dong-Chil
Choi Joung-Sik
Kim Hyung-Moo
Choi Yeong-Geun
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Abstract
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Wasabis (Wasabia japonica Matsum.) have been used as a spice with its petioles and rhizomes, but the production of its rhizomes in upland cultivation was very difficult for the severe damage of rotting disease during summer season. This experiment was carried out to increase the yield of marketable rhizome in wasabi when cultured in upland. Seedlings were raised in sub-alpine area for 7 and 12 months and then transplanted to experimental area on Sept. 20 and the yield was investigated on May 12 of the next year. The marketable rhizome(above 40g/plant) was produced in seedlings raised for 7 months. Production rate of marketable rhizome was 13.3% and total yield was 72.9 kg/10a. The content of allylisothiocyanate in rhizome of upland wasabi was 0.777 mg/g and its content was equal to wasabi cultured in water condition for 18 months. These results suggested that the upland cultivation of wasabi seedlings raised in sub-alpine area for 7 months was possible to product marketable rhizome.
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KEYWORD
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Wasabia japonica, petiole, marketable rhizome, seedling, upland cultivation
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