Strawberry--Diseases and pests
Approximately 900 plants of commercially grown strawberries of 45 varieties and experimental seedling selections were collected from various parts of the state of Minnesota and indexed for the presence of viruses. Their presence in these plants was demonstrated by the appearance of symptoms in the indicator plant, Fragaria vesca L., after they were inarch-grafted. 93 % of the plants indexed were virus-infected. Based on symptoms, the viruses have been classified into 14 symptomtypes. It was found that mottle and mild yellow-edge were the two dominant viruses, whereas crinkle and vein chlorosis were of rare occurrence. There was no indication that certain symptom-types are associated with particular commercial varieties of strawberries or experimental seedling selections.
King, T. H.,
Liu, S. C.,
Skiles, R. L.
Occurrence and Severity of the Viruses of Strawberry in Minnesota.
Journal of the Minnesota Academy of Science, Vol. 30 No.1, 33-36.
Retrieved from https://digitalcommons.morris.umn.edu/jmas/vol30/iss1/10