Experts reveal why plants don't get sunburn
Friday, April 1, 2011 - 04:50
in Biology & Nature
(PhysOrg.com) -- Experts at the University of Glasgow have discovered how plants know when to make their own sunscreen to protect themselves from the harmful rays of the sun. Scientists have speculated for decades that plants must have a 'photoreceptor' for UV-B wavelengths in sunlight, similar to those they use to detect other wavelengths which control other processes, such as triggering when they flower.