SL366: Field Symptoms of Boron Toxicity and Deficiency in Florida Peanuts
Figure 6. Field symptoms of cracked stems can be diagnosed from threshed vines even after harvest. Photo was taken where no boron was applied to the field. Tissue boron was 14 parts per million and soil boron was 0.3 pounds per acre (0.15 ppm) in this Florida field.
Credit: J. W. Breman
