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A sunburn is a burn to a
plant epidermis
produced by overexposure to ultraviolet (UV) radiation, commonly
from the sun's rays sunlight or other sources. |
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More common and severe in
susceptible species
and in
etiolated and
variegated plant, it ranges from mild redness, tenderness or
decolouration to intense burn with necrosis of the epidermis.
The amount of sun needed and tolerated by vary greatly in
different species. (See:
sun exposure)
It is possible to Limit sun exposure, using sunscreen to prevent
severe sunburn. Long-term sun exposure can eventually cause
epidermis wrinkling and thickening.
A similar burn can be produced by overexposure to other sources
of UV such as from tanning lamps, or welding arcs. |
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