RUBBER (HEVEA) DISEASES 121 
Ryckman. A. de. 
1009. Note snr la ramification Je 1" Hevea par la taille et par l'effeuillage. In 
Jour. Apr. Trop., ann. 9, p. 5-7. 
Mention is made of Corticium javanicum Zimm. 
Saccardo, P. a. 
1921. Fungi singanorenses Bakeriani. ( Nbtae mveologicae, ser. XXIV.) In Bui. 
1st. Ort. Bot. Xapoli. tomo 6, p. 39-65. 
D» scriptions of fungi listed in Baker, Fungi from Singapore, in Gard. 
Bui. Straits Settlements, v. 2. p. 116-120, 1919. (This article dated 
1918 ; date of imprint of volume, 1921.) 
Sanderson, a. R. 
1921. Some aspects of root diseases of Hevea brasiliensis. In India-Rubber Jour., 
v. 61, p. 1227-1228. 
Names seven species of fungi which have already been recorded in 
the Malay Peninsula as tbe causative agents of root diseases. 
1922. Brown bast. In Bui. Rubber Growers' Assoc, v. 4, p. 380-381. 
" The total loss in revenue per annum is .in some cases very high, 
and unless steps are taken to check the increase in percentage cf-es 
the loss must be increasing annually." 
and Sutcliffb, II. 
1920. Sphaeronema sp. (Mouldy rot of the tapped surface.) In Ann. Appl. BioL, 
v. 7. p. 56—65, illus. 
Report of cultural and inoculation experiments which show that 
moldy rot is caused by a species of Sphaeronema and not by Cephalo- 
sporium or Fusarium. 
1921. Brown bast : an investigation into its causes and methods of treatment. 71 
p., illus. London. References, p. 66. 
•' Considering, as we do. that brown bast is physiological in origin, 
it must be regarded in the first instance rather as an abnormality than 
a disease, though one state may lead to the other, owing to interfer- 
ence with the functions of a portion of the tissue."' Abstract in Rev. 
Appl. Myeol.. v. 1, p. 142-144. 1022. 
Sandman. D. 
1911. Feeding-up rubber trees the best preventive against root-fungus (Fomes semi- 
tosus). In Planters' Chron., v. 6, j>. 20-21. 
Quoted from his brochure on the dangers, mistakes, and improve- 
ments connected with the production of rubber in Asia. 
Sands. W. N. 
1024. Mistletoes attacking cultivated trees in Malaya. In Malayan Agr. Jour., v. 
12. p. 64-76, illus. Literature cited, p. 75. 
Descriptions of the five chief species are given. Three of these 
{Loranthus ferruffineus, L. pentandrus, and Elytranthe globosa) are 
found on Hevea brasiliensis. 
SCHEIEKH, G. G. 
1022. Het rubberledri.if op net Schiereiland Malacca, In Arch. Rubbercult. Xeder- 
land.-Indie. jaarg. 6. p. 330-367. 
The following diseases were reported : Brown-bast, Fomes, Ustulina, 
Poria. moldy rot. 
1022. The rubber industry in the Malay Peninsula. In Bui. Rubber Growers' Assoc, 
v. 4. p. 434-448. 
Brown-bast. Fomes. Ustulina, Poria, moldy rot, and pink disease 
mentioned under " Pests and diseases." 
Schdrz, W. L.. Hargts. O. D.. Maebut. C. P., and Manifold. C. B. 
1025. Rubber production in the Amazon Valley. U. S. Dept. Com., Trade Promotion 
Ser. no. 23. 369 p., illus. 
Mentions disease of Hevea and refers to this bulletin for detailed 
information. 
Sharples, A. 
1914. The spotting of prepared plantation rubber. Bui. Dept, Agr. Fed. Malav 
States 19. 31 p.. illus. Literature cited, p. 30-31. 
Continuation of investigations of Bancroft reported in Dept. Agr. 
red. Malay States Bui. 16. 1913. Disagrees with Bancroft's conclu- 
sions as to organisms causing spotting. 
1915. Bark scraping and bark affections. In Asv. Bui. Fed. Malav States, v. 3. 
p. 42(1-425: 
First bark disease noticed on the Malay Peninsula. Trees showed 
slow rotting of hark, over which numerous saprophytic fungi grew. 
Bark appeared water-logged and borers entered as rotting proceeded. 
Frees affected had been scraped to increase flow of latex. 
1013. Bord >aux mixture as a spray for rubber trees. In Agr. Bui. Fed. Malav States, 
v. 3. p. 447-448. 
•• There is little danger in using Bordeaux mixture as a spray against 
the attacks of fungi on rubber tee 
1915. Host plants of pink disease in Malaya. In Agr. Bui. Fed. Malav States, v. 3. 
p. 203-204. 
Adds three new hosts to list of Brooks and Sharpies in Bui. 21. Dept. 
Agr. Fed. Malay States. 1014. Tephrosia liooAxriana acted as center 
of infection on rubber estate. 
1015. Spottings in plantation rubber due to fungi In Trans. 3d Internat. Cone. 
Trop. Agr.. London. 1014. v. 1. p. 679-687. Bibliography, p. 687. 
Defects of prepared rubber due to rung] are distinguished as spot- 
g8 where discolored area is small and flushes where there is a broad 
patch of colored rubber. Describes yellow flush, violet Hush, black 
spots, and blue-black spotting. Shows that undiluted latex is an un- 
favorable growing medium for fungi. 
