Agricultural Composition

A composition according to any one of the preceding claims wherein the auxin mimic is able to produce within a plant one or more of the effects that the plant hormone cytokinin naturally produces.

A method for enhancing the uptake of calcium by plants, which method comprises applying to the plants or to the soil in which the plants are growing a composition which comprises:

• (i) a water-soluble salt of calcium and
• (ii) an auxin mimic that is an unsymmetrically or a symmetrically substituted diphenyl urea or a derivative thereof wherein one or both phenyl groups are optionally substituted and wherein the auxin mimic is present within the composition at a concentration of 0.001 to 5% w/w.

A method for increasing cellular integrity by preventing areas of local calcium deficiency which method comprises applying to the plants or to the soil in which the plants are growing a composition which comprises:

• (i) a water-soluble salt of calcium and
• (ii) an auxin mimic that is an unsymmetrically or a symmetrically substituted diphenyl urea or a derivative thereof wherein one or both phenyl groups are optionally substituted and wherein the auxin mimic is present within the composition at a concentration of 0.001 to 5% w/w.

A method for reducing physiological disorders associated with calcium insufficiency which method comprises applying to the plants or to the soil in which the plants are growing a composition which comprises:

• (i) a water-soluble salt of calcium and (ii) an auxin mimic that is an unsymmetrically or a symmetrically substituted diphenyl urea or a derivative thereof wherein one or both phenyl groups are optionally substituted and wherein the auxin mimic is present within the composition at a concentration of 0.001 to 5% w/w.

A method for improving shelf life of a harvested crop by enhancing calcium absorption into the harvested parts of a plant, which method comprises applying to the plants or to the soil in which the plants are growing a composition which comprises:

• (i) a water-soluble salt of calcium and
• (ii) an auxin mimic that is an unsymmetrically or a symmetrically substituted diphenyl urea or a derivative thereof wherein one or both phenyl groups are optionally substituted and wherein the auxin mimic is present within the composition at a concentration of 0.001 to 5% w/w.

A method for preventing or alleviating disease or infection in plants which occur in areas of local calcium insufficiency, which method comprises applying to the plants or to the soil in which the plants are growing a composition which comprises:

• (i) a water-soluble salt of calcium and
• (ii) an auxin mimic that is an unsymmetrically or a symmetrically substituted diphenyl urea or a derivative thereof wherein one or both phenyl groups are optionally substituted and wherein the auxin mimic is present within the composition at a concentration of 0.001 to 5% w/w.

A method for improving growth habit during unusually hot or cold conditions, which method comprises applying to the plants or to the soil in which the plants are growing a composition which comprises:

• (i) a water-soluble salt of calcium and
• (ii) an auxin mimic that is an unsymmetrically or a symmetrically substituted diphenyl urea or a derivative thereof wherein one or both phenyl groups are optionally substituted and wherein the auxin mimic is present within the composition at a concentration of 0.001 to 5% w/w.