The plants were grown under a microscope to allow scientists to look at its roots in the 3D development.
Researchers at the Goethe University in Frankfurt am Main, Germany, were able, the formation of new lateral roots by tracking the movement of the cells that capture for more than three days.
Having grown cress, Arabidopsis thaliana, in chambers inside fluorescence microscopes is to recognize the light emissions. Plants were genetically modified to specific proteins that could be lit and photographed.
The new technique allows to observe the production of a plant's roots without damaging sensitive structures.
"With the growth conditions under our control, we can see how the roots respond to different environmental conditions," said Professor Ernst Stelzer, of the research team.
"This could help plant breeders plants to choose more resistant to drought or floods."
The results are shown in the Society for Experimental Biology Annual Meeting.
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