Studies on Aphides infesting the Potato Crop. VII. Report on a Survey of the Aphis Population of Potatoes in selected Districts of Scotland (25 July-6 August 1936)

Davies, W.M.

Ann. appl. Biol, London 26(1): 116-134

1939


Document Number: 520859
The results are given in detail of the survey carried out by the author in July-August 1936 on the Aphids infesting potato in 43 centres ineastern Scotland. The part of the work dealing with Myzus persicae, Sulz., has already been noticed from an abridged account.

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