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Viva + Megafol

Type: Mix of different types, Company: Valagro

Effect

No effect on produce quality
No effect on nitrogen N use efficiency
No effect on potassium K use efficiency

Viva+Megafol treated Strawberry plants, cv. Elsanta, grown under optimal and reduced fertilizer conditions had on average increased guaiacol peroxidase (+24.3%), increased catalase (+36.1%), no difference in ascorbate peroxidase (+34.1%) and increased glutathione reductase (+65.8%) in leaves, no difference in mean fresh trifoliate leaf mass (-7.5%), no difference in mean dry trifoliate leaf mass (-2.7%) and no difference in total vegetative over ground mass per plant (-0.6%) compared to the untreated control plants.

Trial details
indoor, greenhouse, 4.5 L pots filled with commercial Stender B 400 substrate, reduced fertilization during fruit bearing stage for 3 weeks (50 % less N and K)
Croatia

Crop

Strawberry, Fragaria x ananassa

Trial application

Method
Viva: in fertigation; Megafol: foliar spray
Timing
No data available
Rate
0.25 % (v/v) solution, 250 mL solution/plant
Spoljarevic, M., Stolfa, I., Lisjak, M., Stanisavljevic, A., Vinkovic, T., Agic, D., Paradikovic, N., Teklic, T., Engler, M., & Klesic, K.
2010
Strawberry (Fragaria x ananassa Duch.) leaf antioxidative response to biostimulators and reduced fertilization with N and K
POLJOPRIVREDA
16
50-56