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Effect of salinity on Seed Germination and Growth of Tomato Seedlings
(Lycopersicon esculentum)

Karima F. Abbas
Department of Biology -College of science -Basrah University

Abstract
This study was conducted in a private orchard during growing season 2009 to
investigate the effects of NaCl application on growth of Tomato (Lycopersicon
esculentum). The Saline water used was prepared in Six concentrations namely (0,
1000, 2000, 3000 ,4000 and 5000 ppm) .This study was evaluated in Two steps, seed
germination and plant growth. The result showed that salinity caused a delay in seed
germination and reduce the number of germinated seeds .At higher NaCl
concentration(5000 ppm) , No seed germination was observed. Chlorophyll content &
leaf area decreased with increasing salinity. The plant height decreased with increasing
salinity. plant fresh and dry shoot and root weights were decreased with increasing
salinity. Increasing salinity levels in the water significantly decreased the content of
N,K in leaves, and non decreased of P, and increased the content of Na .

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