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An Asian pear variety trial consisting of 13 cultivars replicated 12 times was planted in 1989 near Columbia, S.C. For 6 years, cultivars were evaluated for commercial fruit production. The Chinese types `Ya Li' and `Shin Li' bloomed earliest (early March), whereas Japanese types such as `Twentieth Century' and `Choju' bloomed 10 to 12 days later. The largest trees were `Ya Li', `Shinsei', and `Shin Li', and the smallest were `Shinko', `Shinsui', and `Twentieth Century'. All cultivars on  P. betulaefolia  rootstock had suckers, with `Chojuro' and `Shinko' trees having the fewest. `Kosui' and `Shinsui' defoliated first each fall. Average fruit yields in kg/tree were largest for `Ya Li', `Shinsui', `Shin Li', and `Twentieth Century'. Fruit size was large (&gt;200 g) for the Chinese types such as `Ya Li', `Shin Li', and `Daisu Li', but small (&lt;100 g) and non-commercial for `Twentieth Century'. Fruit maturity dates were consistent year to year, with `Choju' and `Shinsui' ripening first (early July) and the Chinese types ripening last (mid-August). Low return bloom (i.e., alternate bearing) was observed after a heavy crop year. Winter injury, as evidenced by bark cracking on the southwest side of the trunk, was severe in 1993–1994. However, `Ya Li' suffered no cold damage. Fireblight was first observed in the 1992, and increased in 1993 and 1994. `Choju', `Shinseiki', and `Kosui' were the most-susceptible cultivars, while `Ya Li', `Shinsui', and `Shinko' were the most tolerant.

Evaluation of Commercial Potential of Asian Pear Cultivars in South Carolina