Researchers from the University of Delaware, Iowa State University and University of Nebraska-Lincoln are working to bioengineer a plants’ defense mechanism to protect against environmental stresses.

When the stomata are closed under drought, the only route for water loss from the leaf interior to the atmosphere is across the cuticle. Thus, the extent of cuticular transpiration in relation to the ...

Most plants get their coloration from pigments, but an endangered South African cycad gets its unique silvery-blue hue from wax crystals and an underlying chlorophyll-rich layer, according to a recent ...