Performance of southern highbush blueberry cultivars released by the U.S. Department of Agriculture and cooperating state agricultural experiment stations.

calor chaleur cooling crop yield cubrimiento del suelo enfriamiento experimentation fitomejoramiento frost damage heat interspecific hybridization mulching paillage plant breeding recherche refroidissement rendement des cultures rendimiento de cultivos research resistencia a la temperatura temperature resistance vaccinium vaccinium corymbosum variedades varieties