African violets have stunning velvety blooms in an explosion of colors and patterns. More popular in the 60s, they are making a comeback as chic and vintage houseplants that thrive indoors!
16.09.2024 - 11:09 / theunconventionalgardener.com / guest
Header image: A greenhouse filled with petunias engineered to glow continuously by the biotech start-up Light Bio. Image credit: LIGHT BIO INC.
Sven Batke, Edge Hill University
Plants can grow with much less light than previously thought, according to a new study on tiny water-based organisms called microalgae that has been published in Nature Communications. The German-led team of researchers lowered light sensors into Arctic water to a depth of 50 metres to test how low light levels must become before plant life ceases to exist, with incredible results.
They found that plants were able to perform photosynthesis – the process in which their leaves convert sunlight into energy – with very little light indeed. Not only did the microalgae carry out this process at the lowest light levels ever recorded (just 0.04 micromoles of photons m⁻²/s⁻¹), this wasn’t very far from what computer simulations predict to be the lowest light possible in any circumstances (0.01 micromoles of photons m⁻²/s⁻¹).
To put this in context, typical light conditions outside on a clear day in Europe are between 1,500-2,000 micromoles of photons m⁻²/s⁻¹ – that’s more than 37,000-50,000 times the amount of light required by those Arctic microalgae. It is an amazing discovery that some plants are adapted to survive with so much less light.
Many people think of plants as nice-looking greens. Essential for clean air, yes, but simple organisms. A step change in research is shaking up the way scientists think about plants: they are far more complex and more like us than you might imagine. This blossoming field of science is too delightful to do it justice in one or two stories. This article is part of a series, Plant Curious, exploring scientific studies that
African violets have stunning velvety blooms in an explosion of colors and patterns. More popular in the 60s, they are making a comeback as chic and vintage houseplants that thrive indoors!
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Well, obviously, you’re not growing these houseplants because they are toxic! But with this deadly and discomforting quality, why grow them indoors at all? Because you simply can’t resist them! Let’s find out what these plants are and why we can’t stop ourselves from loving them.
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Collaborative post
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