Abstract
This study was carried out to determine the potential for the commercial production of rose hips in Prince Edward Island, Canada. Native rose (Rosa spp.) ecotypes were propagated by cuttings taken from wild populations. The experiment was conducted at the Agriculture and Agri-Food Canada, Crops and Livestock Research Centre, Harrington Research Farm in Harrington, PEI in 2005. A replicated trial consisting of 30 wild rose selections was first harvested in 2006. Data from the top 14 ecotypes are reported on based on yield potential. Mean fruit weight ranged from 1.01 g to 1.62 g per fruit; seeds per fruit ranged from 33.5 to 66.3; flesh to seed ratio ranged from 1.34 to 2.57 g/g. Generally, first flowering was observed at 190 Julian day number (JDN) followed by full flowering at 199 JDN. Mean rose hip yield averaged over the first four harvest years ranged from 411 to 2,000 kg ha−1. In 2009, selection s26 and s30 produced 3,634 and 2,676 kg ha−1, respectively. Selection s26 had the largest canopy and best survival rating.
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