Neil O'Connell, University of California Extension citrus farm advisor, Tulare County, examines a citrus tree for a possible micronutrient defficiency.
A sign of iron deficiency is the general yellowing of the citrus leaf. The veins are visible but not dark green and prominent as in a manganese deficiency pattern.
Neil O'Connell checks citrus trees for possible problems in Tulare County, Calif.
This is the actual California citrus tree with Huanglongbing disease found in southeastern Los Angeles County in March 2012. CDFA confirmed the tree had HLB.
Western Farm Press
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