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The roots of plants exposed to the hormone β-cyclocitrical grew faster than roots not treated by the hormone.

Written byChia-Yi Hou
| 1 min read
plant roots growth hormones beta cyclocitrical

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Plant biologists exposed rice plants to a plant hormone called β-cyclocitrical, which promoted root growth. The authors note that plants treated with the hormone were also able to tolerate saltier conditions. “Untreated rice plants were very unhappy with that level of salt,” coauthor Philip Benfey says in a press release.

A.J. Dickinson et al., “β-cyclocitral is a conserved root growth regulator,” PNAS, doi:10.1073/pnas.1821445116, 2019.

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