A webinar series covering some core considerations for tree improvement, plus additional webinars on specific topics like black walnut seed orchard management and best practices for seed handling, is available from the U.S. Forest Service Reforestation, Nurseries and Genetic Resources (RNGR) program. The recorded webinars are available on-demand and upcoming webinars can be viewed live at the on the Tree Improvement 101 Webinar Series website.