What’s New About How Plants Work? – Some “Tasty Tidbits” from 2013 (Ninth Course)
From Global “Weirding” to “Touchy” Plants
It seems that a common theme in the plant news for September 2013 was the effects of global “weirding” on plants.
This may explain the first three items on today’s ninth plate of “tasty tidbits”.
“A new study has revealed that global warming is resulting in the spread of crop pests towards the North and South Poles at a rate of nearly 3 km a year.“
Spread of crop pests threatens global food security as Earth warms.
“The ability of plants to soak up more carbon as climate warming leads to a spike in vegetation growth has been thrown into doubt by a new study.“
Warmer nights mean less carbon uptake.
“Many climate studies have predicted that tree species will respond to global warming by migrating via seed dispersal to cooler climates. But a new study of 65 different species in 31 eastern states finds evidence of a different, unexpected response.“
Climate change may speed up forests’ life cycles.
In September 2013, a couple of interesting questions about trees were addressed, namely,
Why don’t trees grow above a particular altitude? and
Why don’t trees bleed to death when they get injured?.
Finally, can gently rubbing plants with your fingers make them less susceptible to disease?
Find out in: Get touchy feely with plants.
More plant news highlights from October 2013 in the next post.
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