News tagged with plant roots

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Why do plant roots grow down and not up?

(PhysOrg.com) -- It is essential for roots to grow down so they can explore the soil and maximise their water uptake. But how they know that is a question that has fascinated scientists since Darwin. Now scientists ...

Mar 08, 2012 3.2 / 5 (9) 7 | with audio podcast

How salt stops plant growth

Until now it has not been clear how salt, a scourge to agriculture, halts the growth of the plant-root system. A team of researchers, led by the Carnegie Institution's José Dinneny and Lina Duan, found that ...

Jan 23, 2013 5 / 5 (9) 2 | with audio podcast