The Salk Institute of Biological Studies is making progress on its long term goal to develop plants that are good at removing carbon from the atmosphere. One key is finding the genetic mechanisms that encourage plants to have long, deep roots.
He was inside a Salk greenhouse, where his team does the meticulous work of growing different plants, measuring root systems, and finding plants that show a propensity for growing longer, deeper roots.“So, plants are the world record holders for … getting carbon dioxide out of the air that causes the greenhouse effect and thereby climate change,” Busch said. “And they grow everywhere.”Plants draw in carbon dioxide, extract the carbon and expel oxygen.
“If you just take five major crops, the most prevalent crops and you would pool the growth area it would cover the whole subcontinent of India,” Busch said. “That’s so much soil being covered by these plants, and even if a plant will do very little on its own, the massive scale of agriculture can make a dramatic impact.”was an idea germinated by Salk researcher Joanne Chory. The award-winning biologist remains keen on the enormous potential of plants.
One particular plant of interest is Typha, better known as cattails. The freshwater plant is common, robust and produces a prodigious amount of seeds. “And the roots grow so fast. This is an amazing plant. It’s like a machine sucking up nutrients,” Michael said.
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