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Garden Word of the Day
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Potato virus S symptoms According to the International Committee on Taxonomy of Viruses, potato virus S may cause small, necrotic lesions. Other sources say that you may see some of the same symptoms as in potato virus A, such as mild mottling, open growth, rough leaves, and sunken veins. You may also see bronzing if the infection occurred early enough in the season. How potato virus S spreads This virus is spread by aphids, especially green peach aphids (Myzus persicae) and potato aphids (Macrosiphum euphorbiae). It can travel on shoes, clothing, and garden tools. It can also occur on other host plants that may be a little too close to your potato patch. Cleveland’s tobacco (Nicotiana clevelandii), white goosefoot (Chenopodium album), and Widow’s tears (Tinantia erecta) can act as hosts for this virus, so you may want to keep them away from your quinoa and potatoes. Chemical treatments are ineffective, but horticultural oils may provide some protection. The best way to avoid potato virus S is to invest in clean seed potatoes and sanitize those garden tools regularly.
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