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HS1191: Nickel Nutrition in Plants

Figure 5. Effect of spring foliar application of Ni on severity of mouse-ear symptoms of pecan trees. The branch on left side of the tree was sprayed with nickel (II) sulfate (3.35 µg Ni L-1 as NiSO4•6H2O) Ni, whereas the right branch of the tree was not treated.

Credit: Bruce Wood, USDA-ARS, Byron, GA