Foliar-applied salts (sodium) caused these pine needles to turn yellow and red-brown; discoloration begins near the tip of needles and spreads downward.

Foliar-applied salts (sodium) caused these pine needles to turn yellow and red-brown; discoloration begins near the tip of needles and spreads downward.; Denmark Credit: Laurence R. Costello, UCCE San Francisco-San Mateo Counties
Credit: Laurence R. Costello, UCCE San Francisco-San Mateo Counties