After decades of seeing plants as passive recipients of fate, scientists have found them capable of behaviors once thought unique to animals. Some plants even appear to be social, favoring family while pushing strangers from the neighborhood.
Research into plant sociality is still young, with many questions unanswered. But it may change how people conceive of the floral world, and provide new ways of raising productivity on Earth’s maxed-out farmlands.
“When I was in school, researchers assumed that some plants were better or worse than others at getting resources, but they were blind to the whole social situation,” said Susan Dudley, a McMaster University biologist. “I went looking for it, and to my shock, found it. And we’ve found more of it since.”
In a paper published in the November American Journal of Botany, Dudley describes how Impatiens pallida, a common flowering plant, devotes less energy than usual to growing roots when surrounded by relatives. In the presence of genetically unrelated Impatiens, individuals grow their roots as fast as they can.
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November 27, 2009 at 9:00 pm
While this seems to be a groundbreaking discovery, it also seems like a no-brainer. Go out into the wilderness and look at the patterns of the groves of trees in the forest and you will know without a doubt that they grow better when they are closer to their own kind. It’s definitely the way of things.