| abstract |
(Solution) 5-Aminolevulinic acid, 5-Aminolevulinic acid ester, N-acyl-5-aminolevulinic acid, N-acyl- A seed treating agent for plants comprising one or more compounds selected from 5-aminolevulinic acid esters and salts thereof as an active ingredient, and a method for treating seeds of plants, wherein the treating agent is brought into contact with plant seeds. [Effect] By treating plant seeds with this seed treating agent, it is possible to improve the germination rate of normal seeds, as well as aged seeds and hardly germinable seeds, and to improve salt resistance or cold resistance. As a result, the yield of seeds and seedlings is improved, and the cost of crop production can be reduced. |