Amino asid contents in leaves of mulberry Plants grown in fields with different soil under different conditions of fertiliqer management.
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概要
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Two mulberry cultivars; Sin'itinose and Kairyoonezumigaesi, were planted at two sites with different volcanic ash soils within the NISES farm in 1980 and under different conditions of fertilizer management [amended with/without 750kg rice straw plus 23kg calcium cyanamide (=3% rice straw in weight)/10ares, 300kg of a chemical fertilizer (N:P2O5:K2O=10:4:4)/10ares, and/or dolomite] for 9 years. Mulberry leaves were harvested in May and September 1989 and dried up into a powder using freezedrying methods. The amount of sixteen amino acids composing proteins were determined by high performance liquid chromatography and 24 free-amino acids were extracted from leaves by 80% ethanol and analyzed in the usual way by high performance liquid chromatography and fluorescence-spectrophoto-metry.There were no significant differences in the amount each of the 16 amino acids in the total amount of 16 amino acids between the two sites or between/among the different conditions of fertilizer managements, except for a few cases. It is concluded that cultivation in different in soils and under different conditions of fertilizer management for 9 years hardly affected the amounts of the 16 amino acids composing the proteins within mulberry leaves.
- 社団法人 日本蚕糸学会の論文
社団法人 日本蚕糸学会 | 論文
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