Biostimulant prevents yield loss and reduces oxidative damage in tomato plants grown on reduced NPK nutrition

Plant biostimulants are substances which have the capacity to modify physiological processes in plants in a way that provides potential benefits to growth, development or stress response. Effects of biostimulant application on two tomato hybrids (Ombeline F1 and Bostina F1) submitted to reduced nitr...

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Bibliographic Details
Published in:Journal of plant interactions 2017, Vol.12 (1), p.209-218
Main Authors: Koleška, Ivana, Hasanagić, Dino, Todorović, Vida, Murtić, Senad, Klokić, Izudin, Parađiković, Nada, Kukavica, Biljana
Format: Article
Language:English
Subjects:
Acidity
Ascorbic acid
Biostimulant
Compound fertilizers
Fertilization
Fertilizers
Food quality
Fruits
Homeostasis
Hybrids
Lycopene
Mineral fertilizers
Nutrition
Oxidative stress
Peroxidase
Phosphorus
Plants (botany)
reduced nutrition
Superoxide dismutase
tomato
Tomatoes
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Summary:Plant biostimulants are substances which have the capacity to modify physiological processes in plants in a way that provides potential benefits to growth, development or stress response. Effects of biostimulant application on two tomato hybrids (Ombeline F1 and Bostina F1) submitted to reduced nitrogen, phosphorus and potassium (NPK) nutrition aiming at prevention of oxidative stress generation as well as yield and fruit quality loss were investigated in this study. According to obtained results, foliar applied Viva® biostimulant decreased superoxide dismutase (SOD, EC 1.15.1.1) and peroxidase (POD, EC 1.11.1.7) activity in tomato leaves even when recommended NPK nutrition was reduced at 40%. Fruit quality parameters (total soluble solids, total acidity, ascorbic acid and lycopene content) and yield were also maintained in reduced macronutrient fertilization when biostimulant was added. Combination of biostimulant with reduced NPK fertilizer enabled stability of cell homeostasis in tomato plants and their better adaptation to stress conditions. The possibility of biostimulant being used as environmental friendly tool in the reduction of mineral fertilizers without negative consequences regarding yield and fruit quality was discussed.
ISSN:1742-9145
1742-9153
DOI:10.1080/17429145.2017.1319503