Rose Rosette Virus

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Rose Rosette Virus


By Jacob Scharfetter

Witches'-broom caused by rose rosette on a shrub rose (Rosa 'Baiore' POLAR JOY). Image from the Missouri Botanical Garden [1]

Introduction


Rose rosette virus (RRV), also known as Rose rosette disease (RRD), is a viral plant pathogen. The symptoms of Rose Rosette Virus (RRV) was first recognized and recorded in Canada 77 years and has since become one of the most destructive diseases of commercial roses [1][2]. The plant pathogen RRV has only been found to affect the genus Rosa (Dobhal et al., 2016). Most Rosa spp. are susceptible to RRV, making RRV a significant problem for landscapers and horticulturalists (Epstein and Hill, 1999). However, non-commercial, wild rose species of the Rosa genus, such as the meadow rose (R. blanda), swamp rose (R. palustris), Carolina rose (R. Carolina), prickly wild rose (R. acicularis), and burnet rose (R. spinosissima), show only minimal signs of susceptibility to RRV (Epstein and Hill, 1999). Currently, RRV is primarily distributed throughout the eastern United States ranging from the Eastern coasts of New England to the base of the Rocky Mountains (Windham et al., 2014). In short, RRV is a destructive and highly lethal rose pathogen that expresses a significant threat to the commercial rose industry. This report seeks to highlight what we currently know about RRV and to highlight the areas where future research needs to be conducted.


References: [3] [4]

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Section 1

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Section 2

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Authored for BIOL 238 Microbiology, taught by Joan Slonczewski, 2017, Kenyon College.