This subseries consists of data, publications, articles, newspaper clippings, and trials related to fruit trees. Topics covered include figs, peaches, pears, avocados, apricot, chemical thinning, cherries, cracking, phenological data, persimmons, pomegranates, pesticides, insects, propagation, pruning, California planting, apples, hardwood cutting, rootstocks, fruit quality, dates, grafting, and fruit history.