78 PROTECTION OF PLANTS, 1918-19 



HowiTT, J. E., Fungus Diseases. Ont. Agr. College and Expt. Farm, Ann. Rept. 43: 25, 1917. 

 Discussion of prominent fungus diseases of the year, with special reference to late blight and rot of 

 potatoes. R. E. Stone. 



HowiTT, J. E., Potato Diseases. Ont. Agr. College and Expt. Farm, Ann. Rept. 43: 25, 1917- 

 Discussion of occurrence, symptoms and control of leaf roll, mossaic, and curly dwarf. R. E. Stone. 



HowiTT, J. E., Experiments to control Late Blight of Celery. Ont. Agr. College and Expt. 

 Farm, Ann. Rept. 43: 28, 1917. Resume of results of five years' spraying experiments. Bordeaux 

 mixture recommended. R. E. Stone. 



HowiTT, J. E., Experiments in Sprinkling Seed Oats with Formalin for Prevention of Smut. 

 Ont. Agr. College and Expt. Farm, Ann. Rept. 43: 29, 1917. Directions for sprinkling and 

 precautions to be taken. R. E. Stone. 



HowiTT, J. E. and Jones, D. H., The more important Fungus and Bacterial Diseases of Vege- 

 tables in Ontario. Ont. Agr. College Bui. 258: 1-48 (29 figs.), 1918. Description of the fungus and 

 bacterial diseases of vegetables with causal organisms, modes of infection, remedies. R. E. Stone. 



Jackson, V. W., Potato Diseases in Manitoba. Man. Extension Bui. No. 14, 1917. 



Jackson, V. W., Where is Wheat Rust now? Farmers' Advocate {Winnipeg, Man.), Dec. 5, 

 iQi8: i8S6. 'Discusses the part played by wild barley {Hordeum jubatum) in the over wintering 

 of grain rust, and gives results of observations showing that germinable uredospores occurred on 

 this host on Nov. 15th after twenty-five frosts. 



Jackson, Y. W., Rusts in General. Farmers' Advocate (Winnipeg, Man.), Dec. 18, 1918: 

 2028. Popular article on rusts giving alternate hosts of twenty rusts. 



Jackson, V. W., Potato Diseases in Manitoba. Manitoba Horticulturist, No. 1918: 78. 

 Common diseases (with six illustrations) described and methods of control given. 



Jones, D. H., Bacterial Blight of Apple, Pear and Quince Trees. Ont. Agr. College Bui. 176: 

 1-63 (58 fig's.), 1909. Careful study of bacterial blight of pomaceous fruits. The causal organism, 

 effect on the host, dissemination of the bacillus, inoculation, eradication and prevention of the 

 disease. R. E. Stone. 



Jones, D. H., Some Bacterial Diseases of Vegetables found in Ontario. Ont. Agr. College Bui. 

 240: 1-24 (10 pi.), 1916. Description of vegetable diseases due to bacteria, giving symptonis, 

 causal organism, mode of infection and remedies, for soft rot of vegetables, blackleg of potatoes, 

 bacteriosis of bean, bacterial wilt of crucifers, bacterial wilt of cucumbers. R. E. Stone. 



Klee, W. G., Pear and Apple Scab Blight. Nova Scotia Fruit Growers' Association, Ann. 

 Rept. 1888. 



Klinck, L. S., The susceptibility of certain Cereals to Smut. Quebec Soc. for the Prot. Plants, 

 Ann. Rept. 2: 14-15, 1910. Describes the results of observations on the prevalence of smut in 

 experimental plots, and states the factors which these observations show play an important part in 

 determining the amount of smut. W. P. Eraser. 



Lawson, Geo., Blights and Diseases of Plants. Nova Scotian Journal of Agriculture 1866. 

 Diseases due to physiological disturbances accompanied frequently by lowly organisms. Paul 

 A. Murphy. - 



Lawson, Geo., The Potato Disease. Nova Scotian Journal of Agriculture 1884. Description 

 of Peronospora infestans. Paul A. Murphy. 



Lloyd, F. E., Injury and Abscission in Impatiens sultani. Quebec Soc. for the Prot. Plants, 

 Ann. Rept.' 6: 72-79, 1913-14. 



Lochhead, Wm. and Jarvis, T. D., The Common Fungus and Insect Pests of Growing Vege- 

 table Crops. Ont. Agr. College Bui. 100: 1-34. Describes and figures common diseases and 

 insect pests of vegetables arranged under hosts. Gives remedies in each case. Preparation of 

 fungicides and insecticides. R. E. Stone. 



Lochhead, Wm., Apple Scab, Peach Leaf Curl. Ont. Agr. College and Expt. Farm, Ann. 

 Rept. 24: 14-18, 1998. 



Lochhead, Wm., Ont. Agr. College and Expt. Farm, Ann. Rept. 26: 16-20, 1900. Celery 

 blight {Cercospora apii); asparagus rust; bluestone to prevent oat smut; new disease of balsams 

 {Trimmatostroma abietina). R. E. Stone. 



Lochhead, Wm., Injurious Insects and Fungus Diseases. Ont. Agr. College and Expt. Farm, 

 Ann. Rept. 27, Vol. 1: 18: 25 (7 figs.), 1901. Discussion of Puccinia graminis and Laestadia bid- 

 wellii. R. E. Stone. 



