News tagged with plant hormone

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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

Plant organ development breakthrough

Plants grow upward from a tip of undifferentiated tissue called the shoot apical meristem. As the tip extends, stem cells at the center of the meristem divide and increase in numbers. But the cells on the periphery differentiate ...

Dec 03, 2012
not rated yet 0 | with audio podcast

Steroids control gas exchange in plants

Plants leaves are sealed with a gas-tight wax layer to prevent water loss. Plants breathe through microscopic pores called stomata (Greek for mouths) on the surfaces of leaves. Over 40% of the carbon dioxide, CO2, in the ...

Feb 05, 2012
3.7 / 5 (3) 0 | with audio podcast

New tool puts plant hormone under surveillance

(PhysOrg.com) -- Charles Darwin was the first to speculate that plants contain hormones. His pioneering research led to the identification of the very first and key plant growth hormone — auxin — ...

Jan 16, 2012
not rated yet 0 | with audio podcast