Haven antitranspirant, a biostimulant made by Marrone Bio, is a compound applied to leaves to reduce transpiration (water evaporation from leaves) to cool plants.
When plants are in stressful situations transpiration can damage crops. Haven is made from plant-based compounds that reflect light and heat to lower leaf temperatures, which also reduces water loss. The product has been tested on apples, almonds, walnuts, grapes, citrus, tomatoes, corn and wheat.
Haven is not visible and does not leave residue on crops. The company claims reducing sun stress in crops helps increase yields and improve quality.
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