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United States Department of Agriculture

Agricultural Research Service

Research Project: GENETIC IMPROVEMENT OF FRUIT CROPS THROUGH FUNCTIONAL GENOMICS AND BREEDING Title: Performance of US 71655-014, a fire blight resistant pear selection from the USA

item Castagnoli, S -
item Turner, J -
item Einhorn, T -
item Bell, Richard

Submitted to: Acta Horticulturae
Publication Type: Proceedings
Publication Acceptance Date: April 27, 2011
Publication Date: November 23, 2010
Citation: Castagnoli, S., Turner, J., Einhorn, T., Bell, R.L. 2010. Performance of US 71655-014, a fire blight resistant pear selection from the USA. Acta Horticulturae. p. 36.

Technical Abstract: US 71655-014 is a fire blight resistant pear selection developed at the USDA Appalachian Fruit Research Station in Kearneysville, West Virginia. In an earlier, un-replicated trail in Oregon, it was determined that US 71655-014 had several positive attributes including precocity, annual production, attractive fruit appearance, good storability, and consumer acceptance. In 2005, a replicated trial was established in Hood River, Oregon to compare the field performance on US 71655-014 to 'Beurre d'Anjou', the primary winter pear cultivar in the USA. The experimental design was a randomized complete block with ten single-tree replicates on OHxF 97 rootstock. US 71655-014 had higher five-year cumulative yield, yield efficiency, fruit set, and fruit number compared to 'Beurre d'Anlou'. A fruit thinning trial with three crop load treatments was initiated in 2010. Fruit thinning resulted in larger fruit with a corresponding shift in weight-class distribution.

Last Modified: 8/26/2016
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