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In eight years during the period 1944 to 1954, a study was conducted on Aroostook Farm, Presque Isle, Maine, to develop ways of obtaining and maintaining varying levels of aphid abundance on potato plants. Methods for measuring aphid abundance and their effects on yield and virus transmission were devised. These techniques were then used to determine the effects of varying all-season levels of abundance of the aphids and of virus reservoirs of two potat o diseases upon yield of potatoes and the spread of leaf roll and spindle tuber in four varieties of potatoes. The results of that study are reported in this bulletin.
Life Sciences Agriculture Experiment Station
potatoes, aphids, potato viruses
Entomology | Plant Pathology
Shands, W.A., G.W. Simpson, B.A. Seaman, F.S. Roberts, and C.M. Flynn. 1972. Effects of differing abundance levels of aphids and of certain virus diseases upon yield and virus disease spread in potatoes. Life Sciences Agriculture Experiment Station Technical Bulletin 56.