Vegetative and Reproductive Growth of Tomato Plants Affected by Calcium and Humic Acid
نویسنده
چکیده
In order to study the effect of calcium and humic acid foliar application on growth, yield and yield components of tomato plants as a completely randomized experimental design with four replications. These factors included humic acid in 3 levels (5, 10 and 20 ppm) and calcium in 2 levels (5 and 10 mM) spray on tomato. Results indicated that humic acid (20 ppm) and calcium (10 mM) either alone or in combination (20 ppm HA+10 mM Ca) increased vegetative and reproductive growth, yield and chlorophyll content. The application 20 ppm HA+10 mM Ca significantly increased the leaves-NK content and dry weight; in the other hand it decreased the incidence of blossom end rot. The TSS, TA, and vitamin C content of tomato fruit had significantly affected by the application of 20 ppm HA+10 mM Ca. Foliar application of 20 ppm HA+10 mM Ca resulted in the maximum TSS (6.64 °Brix), TA (3.5 and vitamine C (15.1). In conclusion, application of calcium and humic acid improved the yield contributing factors that resulted in significant increase in tomato fruit yield.
منابع مشابه
Vegetative growth and chemical composition of tomato plants as affected by different types of salt stress and zinc fertilization
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