Study: plants found to be sensitive to nighttime temps, bud earlier

Watts Up With That?

From the UNIVERSITY OF CAMBRIDGE and the UHI is felt mostly at night department comes this study which may explain some of the early onsets of budding that has been blamed on global warming. Urban Heat Islands are felt mostly at night, for example in Las Vegas, where nights have warmed far faster than days:



This UHI is due to heat retaining infrastructure increasing.

Plant ‘thermometer’ discovered that triggers springtime budding by measuring night-time heat

An international team of scientists led by the University of Cambridge has discovered the ‘thermometer’ molecule that enables plants to develop according to seasonal temperature changes.

Researchers have revealed that molecules called phytochromes – used by plants to detect light during the day – actually change their function in darkness to become cellular temperature gauges that measure the heat of the night.

The new findings, published today in the journal Science, show that phytochromes…

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