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Tobacco - Zinc (Zn) Deficiency

By: Matthew Vann, Josh Henry, Paul Cockson, Brian Whipker Tobacco Nutrient Information

Zinc (Zn) deficiency has not been reported under field conditions. Most of the time, the soil will have enough micros to supplement any gaps in the chosen fertilizer plan. To present a more robust set of data, we induced zinc deficiency under controlled greenhouse studies for accurate diagnosis if the problem should arise. In NC State University trials, ornamental tobacco developed a silver cast to the leaves as the initial symptom of zinc deficiency.