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Articles

Nutrient disorders of Lactuca sativa ‘Salanova Red’

Article number

1266_40

Pages

283 – 290

Language

English

Abstract

Nutrient disorders of red-leafed plant species often appear different from symptoms on green-leafed species. ‘Salanova Red’ lettuce (Lactuca sativa) plants were grown in silica sand culture to induce symptoms of several nutritional disorders.
Plants were grown with a complete modified Hoagland’s solution.
Nutrient deficiencies were induced with a complete nutrient formula withholding a single element.
Boron toxicity was also induced by increasing the element 10× higher than the complete nutrient formula.
Plants were monitored daily to document and photograph symptoms as they developed.
Several nutrient disorders led to a significant reduction in plant dry weight.
Nitrogen, phosphorus, sulfur, and boron deficiencies all resulted in visually redder plants.
Nutrient deficient lettuce had lower foliar nutrient concentrations than control plants.

Publication

International Symposium on Growing Media, Soilless Cultivation, and Compost Utilization in Horticulture

Authors

J.B. Henry, I. McCall, B.E. Whipker

Keywords

nutrition, tissue analysis

Full text

https://doi.org/10.17660/ActaHortic.2019.1266.40

Groups involved

Online Articles (61)

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