FOUR NEW APPLE SELECTIONS (Co-op 19, 20, 21, and 22) with field immunity to scab caused by Venturia inaequalis (Cke.) Wint. are offered for advanced testing. This is the fourth series of releases from a cooperative breeding program at the Agricultural Experiment Stations of Illinois, Indiana, and New Jersey. These selections are identified under the designation "Co-op" to emphasize the cooperation and joint effort of this program. Coop 1 through 5 were described in Purdue University Agricultural Experiment Station Research Progress Report 271 (1967), Coop 6 through 11 in Purdue University Agricultural Experiment Station Research Progress Report 399 (1972), and Coop 12 through 18 in Purdue University Agricultural Experiment Station Bulletin No. 69 (1975).
scite is a Brooklyn-based organization that helps researchers better discover and understand research articles through Smart Citations–citations that display the context of the citation and describe whether the article provides supporting or contrasting evidence. scite is used by students and researchers from around the world and is funded in part by the National Science Foundation and the National Institute on Drug Abuse of the National Institutes of Health.