What keeps plant roots growing toward gravity? Study identifies four genes

What happens belowground in a corn field is easy to overlook, but corn root architecture can play an important role in water and nutrient acquisition, affecting drought tolerance, water use efficiency, and sustainability. If breeders could encourage corn roots to grow down at a steeper angle, the crop could potentially access important resources deeper in the soil.

from Latest Science News -- ScienceDaily https://ift.tt/raRIp24