PURPOSE: A spray composition for enhancing the coloration, sweetness, and hardness of crops is provided to enhance coloration and sweetness by transferring sugar from leaves to fruits, and to prevent the reduction of freshness after long term storage. CONSTITUTION: A spray composition for enhancing coloration, sweetness, and hardness of crops contains 0.01-15 parts by weight of gibberellins and 1-30 parts by weight of rare earth including Sc, Y, La, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, and Lu. The composition additionally contains 0.1-5 parts by weight of cytokine, 1-20 parts by weight of sugar, lysine chloride, boric acid, and phosphoric acid. [Reference numerals] (AA) Coloration and sweetness enhancing agent group(Environmental friendly sweetness and coloration treated group); (BB) No treatment group(Conventional group)
