2011•Northern HorticultureRequires access

Study on Effect of Ca on Low Temperature Stress Tomato Seedling Physiological Index and Membrane System

Jialin Gu

Abstract

With tomatoes as test materials,studied the exogenous calcium on low temperature stress of tomato seedings physiological and biochemical and the influence of membrane damage degree.The results showed that electrolyte leakage and malondialdehyde(MDA)of tomato could be reduced after spraying calcium salt.At the same time content of soluble protein and soluble sugar content of tomato could be increased.It showed that,calcium could play an important role in controlling cold resistance of tomato seedlings.

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Key concepts: Malondialdehyde, Sugar, Seedling, Calcium, Chemistry, Horticulture, Salt (chemistry), Food science