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Tonivit

Type: Seaweed extract, Company: UPL

Effect

No effect on drought stress tolerance
No effect on produce quality

Tonivit treated Acer pseudoplatanus grown in a rain-fed plot had no significant increase in growth an plant length, no effect on stemwaterpotential and no significant effect on fresh and dry weight of the shoot and root, the % tree mortality reduces from 8% to 2% compared to the untreated control. In the dry growing season of 2025, Tonivit resulted in a slightly better growth (+5%) and a slightly better root development (+136% more root dry weight but not significant) compared to the untreated control.

Trial details
Outdoor, unprotected, soil grown, usual cultivation
Belgium

Crop

Sycamore maple, Acer pseudoplatanus

Trial application

Method
Soil drench
Timing
Once at planting
Rate
10 L/ha
De Beule, I., De Clercq, P.
2024-2025
Annual trial report Viaverda
Crop group