Abstract
This study was carried out to assess the impact of five different mulch types (straw, bark, woodchips, sawdust, and black plastic) on growth and yield of domestically cultivated native wild roses (Rosa spp.) in Prince Edward Island, Canada. The experiment was carried out at the Agriculture and Agri-Food Canada, Crops and Livestock Research Centre, Harrington Research Farm in Harrington, Prince Edward Island from 2005–2009. A replicated trial was set up with each plot divided equally into hand-weeded and non-weeded treatments. Straw mulch proved to be a practical choice for commercial producers as it was conducive to plant growth—with greater height, spread, and rose hip yield—as well as being inexpensive and easily obtainable. Black plastic mulch also supported good plant growth and production as well as being easy to maintain. Generally, hand-weeding in combination with mulching was most effective in establishing healthy, productive wild rose plantations.
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