RUBBER (HEVEA) DISEASES 
101 
Bancroft., C. K. — Continued. 
1912. A root disease of the Para rubber tree. (Fomes semitostus Berk.) Dept. 
Agr. Fed. Malay States Bui. 13, 30 p., illus. 
Found in the Federated Malay States, Ceylon, southern India, Java, 
Gold Coast, and Belgian Congo. On many different hosts. Other root 
fungi mentioned are Hymenochaetc noxia, Helicobasidium mompa, and 
Irpea> flavus. 
1913. A list of fungi identified in the Federated Malay States, with notes on their 
occurrence. In Agr. Bui. Fed. Malay States, v. 1, p. 2.V.)-:!G4. 
Lists 19 fungi found on Hevea, 3 on prepared rubber, and 1 on Mani- 
hot, without descriptions. 
1913. Miscellaneous botanical notes. In Agr. Bui. Fed. Malay States, v. 1, p. 
218-221. 
Cost of treatment of pink disease; distribution of the brown-root 
fungus'; spread of Fames semitostus by wash; disease of Hevea caused 
by Phyllosticta ramicola. 
1913. The spotting of plantation Para rubber. (A preliminary account of investi- 
gations on the cause of the spotting.) Dept. Agr. Fed. Malay States Bui. 
16, 30 p., illus. 
An account of experiments in which Honascus heterosporus, Xpondyi- 
ocadium maculans, Mycogone sp.,- and other organisms were isolated 
from spotted rubber. 
1915. Report on the Botanic Gardens and their work. In Rpt. Dept. Sci. and Agr. 
Brit. Guiana 1913-14, appendix 2, 25 p. 
Several fungi noted on Hevea. 
1916. Report on the Botanic Gardens and their work. In Rpt. Dept. Sci. and Agr. 
Brit. Guiana, 1915, appendix 2, 12 p. 
Mentions leaf disease of Para rubber as prevalent and causing con- 
siderable damage. 
1916. Report on the Botanic Gardens and their work. In Rpt. Dept. Sci. and Agr. 
British Guiana, 1915, appendix 2, 12 p. 
Several fungi reported on Hevea. Fusicladium macrosporum, first 
recorded in 1909, now occurs in all parts of the colony. Fomes semi- 
tostus reported for the first time on cultivated Hevea. 
1916. Report on the South American leaf disease of the Para rubber tree. In .Tour. 
Bd. Agr. Brit. Guiana, v. 10, p. 13-33. 
The leaf disease is caused by a fungus. FusiolaMum macrosporum, 
which is propagated by spores of three forms. 
1917. The leaf disease of rubber. Conditions in Surinam. In Jour. Bd. Agr. Brit. 
Guiana, v. 10, p. 93-103. 
Treats of the South American leaf disease, caused by Fusicladiu.n 
macrosporwm. 
1917. Report on the Botanic Gardens. In Rpt. Dept. Sci. and Agr. Brit. Guiana, 
1916, p. 53-56. 
Report on the progress of the leaf disease, which is diminishing but 
still causing much damage at Christianburg and Wisrnar. 
1918. Disease in plants, with special reference to fungi parasitic on crops in British 
Guiana. In Jour. Bd. Agr. Brit. Guiana, v. 11, p. 47-57. 
Mentions Melanopsammopsis ulei on Hevea. 
1919. Report on the Botanic Gardens. In Rpt. Dept. Sci. and Agr. Brit. Guiana, 
1917, p. 45-52. 
Report on Melanopsammopsis ulei. Not so prevalent as in the pre- 
vious year. Indigenous rubber plants {Hevea confusu) in forests 
spread infection. 
Barrett, O. W. 
1911. Warnings to rubher planters. In Philippine Agr. Rev., v. 4, p. 647-648. 
Possibility of introducing diseases of Hevea into the Philippine 
Islands from the Federated Malay States and Ceylon. 
Bateson, 
1911 
In Agr. Bui. "Straits and Fed. 
Loranthus as a parasite on Hevea brasiliensis 
Malay States, v. 10, p. 360-361. 
Loranthus is closely related to the European mistletoe. It enfeebles 
the branch on which it grows and may allow the entrance of fungi. 
1913. Bark-canker of Hevea in Java. In Agr. Bui. Fed. Malay States, v. 1, p. 
299-301. 
Largely comment on Rutgers, Hevea-kanker, in Meded. Inst. Planten- 
ziekten Buitenzorg, No. 2, 1912. Bark canker {Phytophthora faJxri) 
has not yet been recorded from the Federated Malay States. 
1913. Burr formation: A preliminary note. In Agr. Bui. Fed. Malay States, v. 1, 
p. 446-449 ; 2, p. 24. 
Advances theory that most nodules being found on leaf scars, they 
may be caused by decomposition of vascular tissue left in the cortex 
when the leaf falls. 
1913. A note on the possible occurrence of a bacterial disease of Hevea. In Agr. 
Bui. Fed. Malay States, v. 1, p. 268- 270. 
Wood of diseased specimen discolored to a depth of an Inch; vessels 
filled with bacteria embedded in mucilaginous substance. Cultures 
were made and infection of healthy specimens attempted. Experi- 
ments gave negative results. 
1914. The tapping of the Para rubber tree. Some physiological experiments. Bui. 
Dept. Agr. Fed. Malay States 23, 54 p., illus. 
Bur formation, p. 43-48. 
