nutrient excess or toxicity (general) (  ) on flue-cured tobacco (Nicotiana tabacum (flue-cured type)) - 1402101

nutrient excess or toxicity (general)

Host: flue-cured tobacco (Nicotiana tabacum (flue-cured type) L.)
Descriptor: Damage
Description: Chlorine Toxicity (Cl); There is evidence that 20-30 lb/a of Cl may improve tobacco yield. Higher rates may reduce growth and cause leaves to become abnormally green, thickened, and brittle, with cupped leaf margins. Leaves may have a distinctive smooth, sleek appearance. Toxicity symptoms are more common when ammonium rather that nitrate nitrogen is used. Maintaining soil pH about 5.7-6.0 reduces Cl uptake. Cured leaves have dingy, uneven colors and may tend to absorb excess moisture.
Image type: Field
Image location: United States

Photographer Information

Name: R.J. Reynolds Tobacco Company Slide Set
Organization: R.J. Reynolds Tobacco Company
Country: United States

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Image Number: 1402101

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Image Citation:(?) R.J. Reynolds Tobacco Company Slide Set, R.J. Reynolds Tobacco Company, Bugwood.org

Node Affiliation: University of Georgia

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Image uploaded on Sunday, March 10, 2002
Image Information last updated on Thursday, July 21, 2011