13 April 2022
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New trials data on Harpin protein based biostimulant ProAct® shows a consistent effect on increasing stress resistance.
New trials data on Harpin protein based biostimulant ProAct® shows a consistent effect on increasing stress resistance.
Repeating trends observed in previous years, potatoes grown at three sites in Norfolk which were treated three times with 150 g/ha ProAct® contained statistically significantly more calcium than the standard control. “Calcium is a critical nutrient for plants, it plays an important role in cell wall strength” says Matt Audley – Technical Sales Manager for Plant Health Care. “Stronger plants are healthier and more able to resist stress, which is why we also saw significant reductions in Blackleg, which targets soft tissue. Likewise, there was a 19.5% average increase in tuber calcium content in 2021 trials, which again helps to strengthen skins and reduce bruising and internal defects.”
A more in-depth review of the results will feature in the May-June issue of Potato Review.
