A small small1 minute speech on plants have feelings too
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Human beings have five senses – taste, touch, sight, hearing and smell. These senses help us navigate the world and act as warning signs of dangers. We use them to make everyday decisions; for example, when it starts raining we pull out our umbrellas, and when it’s hot we take off our jackets.
Although they may seem passive, plants have their own complex sensory systems too, designed to respond to dangers or other changes in their environment.
Plants may not have eyes, ears or a tongue, but their skin can perform many of the same functions. Plants are not only aware of when it rains or when it’s windy, but they can respond accordingly.
Dr Kim Johnson, a research fellow in the School of BioSciences, University of Melbourne, studies the world of plant senses.
Unlocking the inner workings of plant growth
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“Plants are constantly under environmental stresses. You can actually see how plants respond to those physical stresses because they change their shape,” Dr Kim Johnson says.
“So if a plant is getting constantly hit with strong wind, it will actually change shape to better resist that wind; if roots hit a rock, they’ll grow around it, so they sense things around them.”
Dr Johnson’s research could have a significant impact on industries across the world, including agriculture.
“Plants grow in a very different way from us, because when we’re born, we already have our body plan locked down, and then everything just grows from there,” she says.
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