Fecha de publicación: 19/09/2019 Fuente: Wipo tomato PROBLEM TO BE SOLVED: To provide a growth improver of tomato fruit and a functional component content improver in the tomato fruit, which can increase tomato weight of fruit weight and improve a functional component content of tomato fruit by appropriately spraying or irrigating on tomato even without using stress cultivation or a high content variety, and a production method thereof.SOLUTION: A production method of a growth improver of tomato fruits containing a fatty acid metabolite and a functional component content improver in tomato fruits, which include a growth improver of tomato fruits and a functional component content improver in tomato fruits, which are obtained by metabolizing a fatty acid having 4 to 30 carbons in Proteobacteria under an environment of dissolved oxygen concentration of 0.1 to 8 mg/l and a step a fatty acid metabolism step of metabolizing a fatty acid having 4 to 30 carbons in Proteobacteria under an environment of dissolved oxygen concentration of 0.1 to 8 mg/l.SELECTED DRAWING: NoneCOPYRIGHT: (C)2019,JPO&INPIT