Oregon’s OP-9 Bartlett Pear
DOI:
https://doi.org/10.71318/apom.1967.21.1.18Abstract
Oregon pear #9 (OP-9 Bartlett) was selected in 1956 by the late Dr. Jess Kienholz from a commercial orchard. It appeared to him to be better than other trees in the orchard, and subsequent nursery trials showed that trees budded with OP-9 grew faster than did another 'Bartlett' selection. Dr. Kienholz distributed budwood of OP-9 pear (originally called KPB-1) to several Oregon nurserymen. In 1961 and 1962 tests at O.S.U. confirmed that OP-9 grew faster in the nursery than several other 'Bartlett' selections.
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