How to improve stone fruit colour

Produce buyers constantly prefer redder fruit. Some varieties develop redder colour than others. Although the red colour differs for each variety, it can be maximized in any of them by managing light intensities (shading, pruning) and nutrition.

Phosphorus and Calcium have a direct effect on fruit colour

Phosphorus and calcium sprays have a direct effect on fruit colour, increasing the levels of anthocyanins in the skin, and thus improving crop marketability. Phosphorus sprays applied to the fruit two to three weeks prior to harvest are particularly effective in improving the colouration of peaches, apricots and plums.

Effect of phosphate on fruit colour

Effect of calcium on plum colour

Potassium can improve fruit colour

Also potassium has been found to improve the red colour formation on the skin of peach fruits.

Effect of potassium on peach colour

Excess nitrogen can reduce fruit colour

Overuse of nitrogen can reduce fruit colour, leading to lighter colour, peaches and nectarines.

Effect of nitrogen on peach colour

Effect of nitrogen on nectarine colour

Are you looking for a crop nutrition programme for your fruit trees?

See our fertiliser programmes for different orchard crops, both top fruit and stone fruit, begin by choosing your crop.