Ewart 4N (Q49488) obtained from Nova Scotia, Canada collection to replace an accession that was not tetraploid.
Ewart. Originated in East Akron, Ohio, by Mortimer Ewart. Introduced in 1928. Parentage unknown. Fruit: size medium; skin greenish-yellow, russeted, appearance fair; flesh fine, melting, tender, juicy, flavor excellent; quality excellent; season 10 to 20 days after Bartlett, which it resembles; keeps well into December under refrigerated storage. Tree: somewhat more resistant to fire blight than Bartlett; very productive; effectively pollinates Bartlett.