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A CANKER DISEASE OF CHERRY TREES CAUSED BY VIRUS INFECTIONA. F. Posnette; R. Cropley · 1957
Field experiments with chat-fruit virus disease of appleA. F. POSNETTE; R. CROPLEY · 1965
The effect of viruses on growth and cropping of pear treesR. CROPLEY; A. F. POSNETTE · 1973
Necrotic ring spot and prune dwarf viruses in Prunus and in herbaceous indicatorsR. CROPLEY; R. M. GILMER; A. F. POSNETTE · 1964
The incidence of virus diseases in English sweet-cherry orchards and their effect on yieldA. F. POSNETTE; R. CROPLEY; A. A. J. SWAIT · 1968
Decline and other effects of five virus infections on three varieties of plum (Prunus domestica L.)A. F. POSNETTE; R. CROPLEY · 1970
The effects of black-currant yellows virus and a strain of reversion virus on yieldR. CROPLEY; A. F. POSNETTE; J. M. THRESH · 1964