RUBBER (HEVEA) DISEASES 107 
Drost, A. W. 
1910. Verslag van den landbouwassistent. Verslag Dept. Landb. Surinam, 1910, 
p. 11-36. 
Mentions leaf diseases of Hevea ; no organism named. 
Eaton, B. J. 
1915. The preparation of plantation Para rubber. In Trans. 3d Internat. Cong. 
Trop. Agr., London, 1914, v. 1. p. 652-678. 
" Spot disease *' of rubber, p. 071-674. Spot diseases have been 
proved by a number of investigators to be due to microorganisms, 
fungoid or bacterial in nature. 
1917. Note on the development of chromogenic organisms in dry raw rubber 
allowed to become damp, In Agr. Bui. Fed. Malay States, v. 5, p. 177-179. 
Experiments prove that rubber which leaves the estate clean and 
dry may develop spot disease if wet by rain or sea water during 
shipment. 
1922. Chemical notes. In Malayan Agr. Jour., v. 10, p. 18-21. 
Pink-spot on tree scrap and on blanket crepe, caused by Bacillus 
prodiffiosus. 
Grantham, J., and Day, F. W. F. 
1918. The preparation and vulcanisation of plantation Para rubber. Bui. Dept. 
Agr. Fed. Malay Starrs 27, 13 p., illus. 
" The development of spot disease in raw rubber and its influence 
** on vulcanisation," p. 163-169. 
ElCHLER. A. G. 
1866-68. Loranthaceae, In Martius, K. F. P. von, Flora brasiliensis, p. 102-104, 
Monachii and Lipsiae. 
Systematic summary of genus Dendrophthora. No Brazilian species 
mentioned. 
Ellis, A. G. G. 
1919. Notes on the work of the inspection staff during 1918. In Agr. Bui. Fed. 
Malay States, v. 7, p. 144-150. 
Rubber diseases and pests, p. 146-14K. No descriptions of fungi. 
See also reports for 1920 to date by F. W. South. 
Farmer, J. B. 
1918. Science and the rubber industry. In Jour. Roy. Soc. Arts, v. 66, p. 490-496. 
Discussion, p. 496-500. Also in Planters' Chron., v. 14, p. 145-146, 
160-165, 182-183, 1919. 
and Horxe, A. S. 
1921. On brown bast and its immediate cause. In India-Rubber Jour., v. 61, 
p. 1225-1226, illus. Also in Planters' Chron., v. 16, p. 485-486, 1921. 
Rev. in Bui. Rubber Growers' Assoc, v. 3, p. 269-270, 1921. 
Brown-bast is of physiological origin, but overtapping may not be 
the sole cause of the disease. 
Figart, D. M. 
1925. The plantation rubber industry in the Middle East. U. S. Dept. Com., Trade 
Promotion Ser. No. 2, 317 p., illus. 
Includes a short statement on diseases and pests. 
Francis, W. 
1923. Report of the Department of Science and Agriculture for the year ended 
31st December, 1921. In Brit. Guiana Rpt. Dept. Sci. and Agr., 1921, 
p. 1-21. 
Data on the decrease of rubber yields due to the South American 
leaf disease. 
Gadd, C. H. 
1924. Phytophthora faberi Maubl. In Ann. Roy. Bot, Gard. Peradeniya, v. 9, 
p. 47-89, illus. 
Comparative study of the strains of Phytophthora isolated from 
cacao, papaw, Hevea, Dendrobium, Odontadenia, and breadfruit in 
Ceylon. The strains used are regarded as biological varieties of 
P. faberi. 
Gallagher, W. J. 
1908. A root disease of Para (Hevea brasiliensis) rubber trees. In Agr. Bui 
Straits and Fed. Malay States, v. 7, p. 515-522. Also in Trop. Agr.' 
(Sup.), v. 31, p. 587-590, 1908. 
"Fomes semitostus has been reported as a source of root disease 
here and in Ceylon. I have found it on only two occasions, and have 
not been able to connect it with the disease under discussion." In a 
further note, v. 8, p. 104, he refers to the disease as Fomes, or white 
fungus, root disease. 
1908-09. Report of the government mycologist. Federated Malay States, for 1907-8. 
In Agr. Bui. Straits and Fed. Malay States, v. 7. p. 588-590; v. 8, p. 
419-422. 
1909. Field notes. In Agr. Bui. Straits and Fed. Malay States, v. 8, p. 104-107. 
Root disease, catch crops, pruning, " warts." and ,- peas." Close 
planting. 
1909. A preliminary note on a branch and stem disease of Hevea brasiliensis. Bui. 
Dept. Agr. Fed. Malay States 0, 6 p., illus. 
Gortidum zimmermani was found on some of the trees, a species 
of Sporocybe, probably saprophytic, and the perithecia and spores of 
one of the Hypocreacea? are often found. 
1909. Root diseases of Hevea brasiliensis, the Para rubber tree. Bui. Dept. Agr. 
Fed. Malay States 2, 13 p., illus. 
Describes Fomes semitostus and a root disease caused by an un- 
identified fungus (later identified as Hymenochaete noxia; see preface 
to Bulletin no. 13, Dept. Agr. Fed. Malay States). 
