Frost and plant physiology: Q&A with Glenn McDonald

How does frost damage plants? When the temperature drops below freezing and there is moisture on the surface of plants, ice will form. Ice crystals on the plant's surface grow through cracks in its outer layers or through the pores (stomata) in the leaves and stems, which causes ice to form inside the plant.

Frost and plant physiology: Q&A with Glenn McDonald Frost and plant physiology: Q&A with Glenn McDonald Frost and plant physiology: Q&A with Glenn McDonald Frost and plant physiology: Q&A with Glenn McDonald Frost and plant physiology: Q&A with Glenn McDonald

There are two ways that frost damages plants – by causing dehydration of the cells and by ice formation within the cells.

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