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Iron deficiency
Tom Zabadal , MSU Horticulture
Home > Scouting guide> iron deficiency
Iron deficiency occurs occasionally on grapevines but seldom has economic impact. Affected vines have young, very light yellow leaves near shoot tips that may appear almost white. Extremely fast-growing shoots may exhibit this symptom. Some varieties are especially vulnerable to this deficiency when grown on highly alkaline soil.
Iron deficiency Iron deficiency
Photos: T. Zabadal 
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Funding for this web site provided by Project GREEEN, American Farmland Trust, EPA Region 5's Strategic Agricultural Initiative program, The National Foundation for IPM Education, the Center for Agricultural Partnerships and the MSU Integrated Pest Management Program
in collaboration with MSU Extension and the Michigan Agricultural Experiment Station.
Updated 12/20/07 Contact: J.N. Landis.