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Freezing temperatures can cause severe damage to plant cells. This occurs when water in plant cells freezes causing dehydration and cell destruction. Plant components that are particularly sensitive are the flowering and reproductive structures during bloom. Besides good horticultural practices such as air movement and irrigation system utilization to minimize damage, plant nutrition can greatly aid the plants ability to withstand serious freeze events.
Stimulating the production of phenolic compounds and aiding water and nutrient movement allows the plant cells to tolerate freezing temperatures better. Potassium technology designed to promote phenolic compound production prior to a freeze event may allow a few degrees greater tolerance.
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