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Aphids and the Increase of Potato Leaf Roll Virus in Seed Potatoes on the Wolds of the East Riding of Yorkshire
Author(s) -
Fidler J. H.,
Neild J. R. A.,
Murdoch G.
Publication year - 1967
Publication title -
plant pathology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.928
H-Index - 85
eISSN - 1365-3059
pISSN - 0032-0862
DOI - 10.1111/j.1365-3059.1967.tb00378.x
Subject(s) - alate , biology , aphid , infestation , potato virus y , agronomy , south east , aphididae , virus , horticulture , plant virus , pest analysis , homoptera , virology , geography , physical geography
SUMMARY It is shown that aphid infestation in seed potato crops in the East Riding Wolds can be assessed by reference to five sites indicated as representative of the area as a whole. The concept of virus multiplication in seed potato stocks is shown not to be related to aphid infestations expressed as Angles of Colonization for the East Riding Wolds in the seasons 1962 to 1964. It is suggested that most of the observed increase in leaf roll virus can be accounted for as additions to the virus content of the parent stock attributed to introduction by migrant alate aphids from ware potato areas.