Systemic insecticidal control of the Aster leafhopper (Macrosteles fascifrons, Stal) and Aster yellows in carrots and celery in Manitoba
In Manitoba, aster yellows (AY) disease, as transmitted by the aster leafhopper, Macrosteles fascifrons, Stal, often results in reduced yield and quality of celery and carrots. The incidence and severity of the disease, which may reach epidemic proportions, are directly related to spring influxes of...
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2012
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| Online Access: | http://hdl.handle.net/1993/6683 |