This cross section of corn leaf tissue illustrates the accumulation of anthocyanin pigments. Notice the purple pigmentation is produced in the top layer of cells and does not affect the chlorophyll content in the plant.
Some genetics are more prone to development of purple color under cool spring conditions. Plants outgrow genetic purpling with no adverse effect on yield.
Corn seedling showing purple color due to phosphorus deficiency. This likely resulted from phosphorus tie-up in high pH soil as well as sugar beets as the previous crop
How can growers tell the difference between genetic purpling and symptoms of phosphorus deficiency?
The foregoing is provided for informational use only. Please contact your Pioneer sales professional for information and suggestions specific to your operation. Product performance is variable and depends on many factors such as moisture and heat stress, soil type, management practices and environmental stress as well as disease and pest pressures. Individual results may vary.