A lettuce variety with improved resistance to corky root disease is presented. The seed of the lettuce is designated as PYB 1094, a representative sample of which has been deposited under ATCC Accession Number PTA-9155. PYB 1094 is generally early maturing, medium green, and medium-head sized, and shows uniform heading. The invention is also directed to a method of making an F1 hybrid lettuce variety by crossing a plant grown from the seed of PYB 1094 with another plant and selecting a seed from said crossing.