Breakthrough: How salt stops plant growth

Thursday, January 24, 2013 - 00:30 in Biology & Nature

Until now it has not been clear how salt, a scourge to agriculture, halts the growth of the plant-root system. Researcher found that not all types of roots are equally inhibited. They discovered that an inner layer of tissue in the branching roots is sensitive to salt and activates a stress hormone, which stops root growth. The study is a boon for understanding the stress response and for developing salt-resistant crops.

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