Published in Scientific Papers. Series B, Horticulture, Vol. LXVIII, Issue 1
Written by Rodica SOARE, Maria DINU, Cristina BĂBEANU, Mihai BOTU
The use of natural biostimulators on crops is an innovative approach, friendly to the environment and with beneficial effects on the quality of production. In this sense, the objective of this study was to evaluate the application of the Lignohumate biostimulator to the tomato crop on fruit quality, depending on the fertilization dose. This is a bio-fertilizer, consisting of a complex of potassium salts of humic and fulvic acids, supplemented with microelements. The biological material was represented by the ’Giraffe F1’ tomato hybrid. The specifics of the variants were: V1 (Mt) - unfertilized, V2 - fertilized with 1 g/10 L water, V3 - fertilized with 1.5 g/10 L water, V4 - fertilized with 2.0 g/10 L water. The monitored quality parameters were: total soluble substance, titratable acidity, reducing carbohydrates, ascorbic acid, total carotene, total lycopene and total polyphenols. The recorded data showed that all quality parameters had significant values compared to the control in the variants fertilized with Lignohumate 1.5 g/10 L water and 2.0 g/10 L water.
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