| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a method and an agent for improving the alkali resistance of a plant. <P>SOLUTION: This agent for improving the alkali resistance of a plant (provided that the agent with a strong alkaline property of ≥pH8.5 is excluded) includes 5-aminolevulinic acid expressed by general formula (1) [wherein R<SP POS="POST">1</SP>and R<SP POS="POST">2</SP>are each independently H, alkyl, acyl, alkoxycarbonyl, aryl or aralkyl; and R<SP POS="POST">3</SP>is hydroxy, alkoxy, acyloxy, alkoxycarbonyloxy, aryloxy, aralkyloxy or amino] or its derivatives, or their salts, an iron compound and an elemental sulfur. <P>COPYRIGHT: (C)2013,JPO&INPIT |
