PROBLEM TO BE SOLVED: To obtain a foliar spraying agent which has coloring promotion of fruit and fruit vegetable as a main fertilizer response by taking consideration that the color of fruit or fruit vegetable is an extremely important factor to affect their commercial value and to promote coloring of the back of fruit, etc., without using a reflection sheet. SOLUTION: An aqueous solution of the foliar spraying agent for fruit tree and/or fruit vegetable comprising potassium condensed phosphate, especially potassium tripolyphosphate as an active ingredient is sprayed on leaves. Apple, mandarin, persimmon, pear, etc., may be cited as the objective fruit. Tomato, strawberry, watermelon, melon, etc., may be cited as the fruit vegetable. Such effect is further promoted by adding and using a phosphoric acid ester surfactant. The effect is further surely obtained even in a large-scale orchard, etc. COPYRIGHT: (C)2003,JPO
