Dennis Tarry of Dave Wilson Nursery observes a cherry plum cross. While looking for a winning interspecific cherry, a California fruit breeder may have stumbled upon new plant material with value as a cherry rootstock. Zaiger Genetics, Inc., of Modesto, California, has been developing interspecific cherries, crossing hybrids of plum and cherry, in hopes of discovering a more grower-friendly cherrylike fruit. Some of the cherry-plum crosses may have value as cherry rootstock. Dennis Tarry of Dave Wilson Nursery, the exclusive U.S. licensor and primary propagator of varieties developed by Zaiger, said that two of the rootstocks in trial have shown […]