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KMID : 1098419970050030232
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Korean Journal of Medicinal Crop Science
1997 Volume.5 No. 3 p.232 ~ p.236
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Effects of Harvesting Time on Yields of Carthami Flos and Grain in Cathamus tinctoris L.
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Choi Byeong-Yeol
Park Kyeong-Yeol
Kang Chang-Sung
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Abstract
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This experiment was conducted to determinate the optimum harvesting time of Carthami Flos and grain in safflower. In dry Carthami Flos yields harvested at different days after flowering, threre was no significant difference between 2 days and 4 days, however, yield harvested at 6 days was decreased significantly compared with 2 days after flowering. As the harvesting time were delayed, lightness (L’’) and redness (a’’) of dry Carthami Flos were decreased but yellowness (b’’) of that was increased. Color differences ({Delta}E’’ab) of dry Carthami Flos between harvesting days after flowering were not visible between 4 days and 6 days but between those (4 days and 6 days) and 2 days were visible. As the result, the optimum harvesting time of Carthami Flos was 4 days after flowering. Grain yields and its components were affected by not harvesting Carthami Flos but grain harvesting time. Threre was no significant difference in number of grain per flower head, percentage of ripened grain between grain harvesting time. However, weight of 1000 grains and grain yields increased until 20 days after flowering. As a conclusion, the optimum harvesting time was 4 days after flowering for Carthami Flos and 20 days for grain regardless Carthami Flos harvesting time.
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KEYWORD
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Safflower, Cathamus tinctoris, Harvesting time
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