Evaluation location: California, United States
Lettuce (Lactuca sativa L.) breeding lines RH12-3194 and RH12-3199 grown in a Salinas, CA field experiment with the check cultivars Salinas and El Dorado.
Lettuce was direct seeded on June 1, 2013 on raised beds 1 m wide by 25 cm high with two parallel seed lines separated by 28 cm. Each breeding line or cultivar was seeded to a 7.6 meter long plot using a single seed lines on that section of bed. Plots were thinned 4 weeks after seeding to achieve a spacing of 28 cm between plants within a seed line. All trials were grown to maturity using standard cultural practices appropriate for the Salinas Valley of California.
Mention of cultivar names in this document is solely for the purpose of providing specific information and does not imply recommendation or endorsement by the U.S. Department of Agriculture.
Field descriptor file.