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KMID : 0903620010420010057
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Journal of the Korean Society for Horticultural Science
2001 Volume.42 No. 1 p.57 ~ p.59
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Field Emergence of Radish and Chinese Cabbage Seeds Sorted by Amino Acid Leakage
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Abstract
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Deteriorated seeds of three cultivars in Chinese cabbage and radish were sorted by a nondestructive system detecting leaked amino acids and sown in field to investigate field emergence, T_(50) and T_(10-90). The procedure for detecting deteriorated seeds was an initial hydration followed by coating with cellulose powder to trap the leaked amino acids through seed coat drying, and then spraying with 0.5% ninhydrin solution and placing them in 40℃ incubator for 1 hour to induce ninhydrin reaction of amino acids on the cellulose layer. Bluish purple color was appeared on the seed coating layer in all deteriorated radish and Chinese cabbage seeds, and the seeds were sorted into three groups; strong-colored, weak-colored and non-colored seeds. The greatest percent of field emergence and the shortest period of T_(50) and T_(10-90) were resulted from the non-colored seeds, while the lowest percent of field emergence and the longest period of T_(50) and T_(10-90) were from the strong-colored seeds, and the weak-colored seeds showed the response in between the strong-colored and non-colored seeds.
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KEYWORD
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