News International Sugar Journal

Gene helps plants use less water without biomass loss [Registered]

Purdue University researchers led by Mick Mickelbart have found a genetic mutation that allows a plant to cope with water stress conditions without sacrificing CO2 intake, and invariably growth. Plants can naturally control the opening and closing of stomata, pores that take in carbon dioxide and release water. When water stressed, a plant might close its stomata to conserve water. By doing so, however, the plant also reduces the amount of carbon dioxide it can take in, which limits photosynthesis and growth. The genetic mutation of the research plant Arabidopsis thaliana resulted in reducing the number of stomata. Analysis showed…

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