44 Bacterial Disease of the Mango 



I have also to thank Messrs Winter Brothers, of Barberton, who 

 placed their orchard at our disposal for the spraying experiments, and 

 who have repeatedly supplied us with mango fruit for experimental 

 purposes. 



BIBLIOGRAPHY. 



1. Ambrcian Public Health Association : Standard Methods of Water Analysis. 



New York, 1912. 



2. Besson, A. Practical Bacteriology, Microbiology and Serum Therapy. 



Longmans, Green and Co., 1913. 



3. Cardui, P. P. Bloom Blight of Mango in Cuba. Cuba Review, Vol. vm. 



(1910), No. 5, pp. 28, 29. 



4. Chester, F. D. A Manual of Determinative Bacteriology. The Macmillan 



Co., 1901. 



5. Collins, G. N. The Mango in Porto Rico. United States Department of 



Agriculture, Bureau of Plant Industry, Bulletin 28, 1903. 



6. Cook, Melville T. The Diseases of Tropical Plants. Macmillan and Co., 



London, 1913. 



7. Ellis, D. On the discovery of Cilia in the genus Bacterium. Centralblatt f . 



Bakt. II Abt. Bd. xi. p. 241. 



8. Eyre, J. W. H. Bacteriological Technique, 2nd edition, 1913. 



9. Higgins, J. E. The Mango in Hawaii. Hawaii Agric. Expt. Station, Bulletin 



12, 1906. 



10. Maries, C. Indian Mangoes. Journal Royal Hort. Soc, London, xxvi. 



pp. 755-770, 1901-02. 



11. Popinoe, F. W. The Mango in South California. Pomona College, Journ. 



Economic Bot. i. No. 4, Dec. 1911. 



12. Ridgway, Robert. Color Standards and Nomenclature. Washington, D.C. , 



1912. 



13. Smith Erwin, F. Bacteria in relation to Plant Diseases, Vol. i. Carnegie 



Institute of Washington, 1905. 



14. Woodrow, G. M. The Mango, its Culture and Varieties. Paisley, 1904. 



15. ? The Mango, Trinidad Bulletin, July, 1899, No. 20. 



EXPLANATION OF PLATES. 



All drawings were made with the aid of the camera lucida, except figures c — h of 

 Plate XI, which were drawn freehand as explained in the text. 



Plate I. Three colour photograph of small branch bearing diseased fruit. (Re- 

 produced, from nature, by the Government Printer, Pretoria.) 

 Plate II. Mango leaves showing the dark coloured, angular spots, characteristic of the 



Plate III. Small branches which have been infected through hail injuries. A small 

 portion of bark has been removed from the left-hand branch to show the discoloura- 

 tion of the underlying tissues. 



Plate IV. Half-grown fruit showing discoloured roughened areas caused by Bacillus 

 mangiferae. 



