| abstract |
Provided is a chemical compound and composition for increasing the sugar content of a fruit using a simple method, without being restricted by the vegetation-growing region or climate. A plant fruit-sugar content increaser containing as an active ingredient a compound expressed by the formula MX (M denotes an alkali metal ion or alkaline-earth metal; X denotes a carbonate ion, hydrogencarbonate ion, acetate ion, citrate ion, succinate ion, phosphate ion, hydrogenphosphate ion, or pyrophosphate ion). |