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7 records were found.

	Lafferty, H.A. (1921). The “browning” and “stem-break” disease of cultivated flax (Linum usitatissimum), caused by Polypora lini n.gen. et sp. Scientific Proceedings of the Royal Dublin Soc. 16: 248-274, tabs 8-10.
	Lafferty, H.A.; Pethybridge, G:H. (1922). Phytophthora parasitic on apples which has both amphigynous and paragynous antheridia; and on allied species which show the same phenomenon. Scient. Proceedings of the Royal Dublin Society 17: 29-43, tabs 1-2.
	Pethybridge, G.H.; Lafferty, H.A. (1917). Fusariun coeruleum, der Erreger der TrockenfäuIe der Kartoffelknollen auf den Britischen InseIn. Internat. Agrar.-Techn. Rundschau 8: 1043-1044.
	Pethybridge, G.H.; Lafferty, H.A. (1920). Investigations on flax diseases. Journ. Dept. Agric. and Techn. Instruct., Ireland 20: 325-342, 3 tabs.
	Pethybridge, G.H.; Lafferty, H.A. (1918). A disease of flax seedlings caused by a species of Colletotrichum and transmitted by infected seed. Scient. Proceedings of the Royal Dublin Society 15 (30): 359-334.
	Pethybridge, G.H.; Lafferty, H.A.; Rhynchart, J.G. (1921). Investigations on flax diseases (second report). Journ. Dept. Agric. Ireland 21: 167.
	Pethybridge, G.H.; Lafferty, H.A.; Rhynchart, J.G. (1922). Investigations on flax diseases (third report). Journ. Dept. Agric. Ireland 22: 205.