Morphology and Physiology - -Continued. 



DISEASES 



719. POUND, F. J. Certain barren types of cacao. 

 Imp. Col. Trop. Agr. [Trinidad] Cacao Res. Ann. Rpt. 

 (1934)4:11-15, illus. 1935. 68.39 Cll 



720. POUND, F. J. A note on a method of controlled 

 pollination of cacao. Imp. Col. Trop. Agr. [Trinidad] 

 Cacao Ann. Rpt. (1934)4:15-16. 1935. 68.39 Cll 



721. POUND, F. J. Studies of fruitfulness in cacao. 

 I-X. Imp. Col. Trop. Agr. [Trinidad] Cacao Res. Ann. 

 Rpt. (1931)1:24-28; (1932)2:29-36; (1^33)3:28-32; (1934)4: 

 17-32; (1935)5:16-24, illus. 1932-1936. 68.39 Cll 



IV and VI by F. J. Pound and J. de Verteuil. 



Contents: I, A note on the abscission of the flower; 

 II, Evidence for partial sterility; III, Factors affecting 

 fruit setting; IV, An experiment designed to test the gross 

 effects of applications of nitrogen, potassium and 

 phosphorus on the cacao tree; V, Conditional self- 

 compatibility and its implications; VI, First year obser- 

 vations in an experiment designed to test the gross effects 

 of applications of nitrogen, potassium and phosphorus on 

 the cacao tree; VII, Ovule loss at fertilisation; VIII, 

 Second year observations in an experiment designed to 

 test the gross effects of applications of nitrogen, 

 potassium and phosphorus on the cacao tree; IX, 

 Differences between high-bearing and low-bearing cacao 

 trees in response to inorganic manures; X, Physiological 

 effects of applications of nitrogen, potassium and 

 phosphorus on the cacao tree. 



722. PYKE, E. E. Mycorrhiza in cacao. Imp. Col. 

 Trop. Agr. [Trinidad] Cacao Res. Ann. Rpt. (1934)4:41- 

 48, illus. 1935. 68.9 Cll 



723. PYKE, E. E. On the germination of cacao beans 

 with special reference to storage and transport problems. 

 Imp. Col. Trop. Agr. [Trinidad] Cacao Res. Ann. Rpt. 

 (1934)4:33-40. 1935. 68.39 Cll 



724. PYKE, E. E., LEONARD, E. R., and 

 WARDLAW, C. W. On the viability of cacao seeds after 

 storage. Trop. Agr. [Trinidad] 11:303-307. Dec. 1934. 

 26 T754 



Includes recommendations for collecting, treating, 

 packing and storing pods for seed purposes. 



725. PYKE, E. E. The physiology of cacao. 1. 

 General observations of growth, flowering, and fruiting. 

 Imp. Col. Trop. Agr. [Trinidad! Cacao Res. Ann. Rpt. 

 (1932)2:37-40, illus. 1933. 68.^9 Cll 



726. STAHEL, G. Beitrage zur kenntnis der 

 blijtenbiologie von kakao (Theobroma cacao L.). K. Akad. 

 van Wetensch. te Amsterdam. Verhandel. (2. Sect.) 25(6), 

 21 p., illus. Ref. 1928. 503 Am8V 



Reviewed by S. C. Harland in Trop. Agr. [Trinidad] 

 5:290-291. Nov. 1928. 26 T754 



727. VOELCKER, O. J. The degree of cross pollina- 

 tion in cacao in Nigeria. Trop. Agr. [Trinidad] 17:184- 

 186, illus. Ref. Oct. 1940. 26 T754 



728. VOELCKER, O. J. Growth rate of cross and 

 self-fertilized cacao. Trop. Agr. [Trinidad] 16:203-205. 

 Ref. Sept. 1939. 26 T754 



Compares cross-fertilized and self-fertilized progeny 

 of ten Nigerian selections. 



729. VOELCKER, O. J. The incidence of cross- .'. 

 pollination in cacao. Imp. Col. Trop. Agr. [Trinidad] 

 Cacao Res. Ann. Rpt. (1937)7:9-14. Ref. 1938. 68.39 Cll 



Results of experiments interpreted according to 

 hypothesis of Harland and Frecheville concerning inheri- 

 tance of axil spot. 



730. VOELCKER, O. J. A note on the behaviour of 

 cacao flowers after pollination and on the incidence of 

 cherelle wilt. Imp. Col. Trop. Agr. [Trinidad] Cacao Res. 

 Ann. Rpt. (1937)7:5-8. Ref. 1938. 68.39 Cll 



731. VOELCKER, O. J. On a method of controlled 

 pollination of cacao. Nigeria Agr. Dept. Ann. B. 10:50- 

 51, illus. Ref. 1941. 24 N563B 



732. VOELCKER, O. J. Self incompatibility in cacao. 

 Imp. Col. Trop. Agr. [Trinidad] Cacao Res. Ann. Rpt. 

 (1936)6:2-5; (1937)7:2-5. Ref. 1937-38. 68.39 Cll 



733. VOELCKER, O. J. A study of controlled pollina- 

 tion in cacao (Theobroma cacao). Nigeria Agr. Dept. B. 

 11:39-44, illus. Ref. 1936. 24 N563B 



734. VOS, H. C. C. A. A. Germination of cacao pollen. 

 Chron. Nat. 104:99-101. Aor. 1948. 514 B31 



735. WELLENSIEK, S. J. Bloembiologische 

 waarnemingen aan cacao (Flower-biological observations 

 with Theobroma cacao L.). Arch. v. Koffiecult. 

 Nederland. Indie 6:87-101. Ref. July 1932. 68.28 Ar2 



English summary. 



736. WILDEMAN, E. DE. A propos de st6rilit6 chez 

 des cacaoyers. Rev. de Bot. Appl. 12:173-179. Ref. 

 Mar. 1932. 26 R323 



737. ALICBUSAN, L. A. Beneficial effects on 

 diseased cacao trees of removing infected parts and 

 disinfecting the wounds. Philippine Agr. 23:891-901, 

 illus. Ref. Mar. 1935. 25 P542 



Thesis (B. Agr.) — University of the Philippines. 



738. ARCHILA, M. A. Enfermedades del cacao. 

 Guatemala Sec. de Agr. Rev. Agr. 11:190-193. Apr. 1933. 

 8 G934 



Symptoms and control measures. 



739. AROSTEGUI, F. Algunas enfermedades y plagas 

 del a'rbol del cacao. Agr. Venezol. l(9):22-24, illus. 

 Jan. 1937. 9.95 Ag8 



Symptoms and control measures. 



740. BRITON-JONES, H. R. The diseases and curing 

 of cacao. London, Macmillan, 1934. 161 p., illus. Ref. 

 464.09 B77D 



Contents: Ch. 1, Root diseases; Ch. 2, Stem diseases; 

 Ch. 3, Pod diseases; Ch. 4, Witches broom disease; 

 Ch. 5, The preparation or "curing" of cacao; Bibliography 

 of cacao fermentation; Bibliography. 



741. BRYCE, G. Cacao diseases. New Guinea Dept. 

 Agr. Leaflet 3, 1 p. 1924. 23 N452 



Root diseases. 



742. BRYCE, G. Cacao diseases. Stem and pod 

 diseases. New Guinea Dept. Agr. Leaflet 4, 2 p. 1924. 

 23 N452 



743. BUNTING, R. H. Cocoa diseases prescribed by 

 the Plants (Injurious Pests) Ordinance. Gold Coast Dept. 

 Agr. B. 11, 39 p., illus. Apr. 1927. 24 G56B 



13 colored plates. 



"For local distribution only." Text in English and Twi 

 vernacular. 



744. BUNTING, R. H. Diseases of cocoa and measures 

 for their control. West African Agr. Conf. Proc. 1:86-97. 

 1927. 5 W522 



Diseases prevalent on the Gold Coast are discussed 

 according to the part of the plant affected. 



745. BUNTING, R. H. Extracts from records of the 

 Mycological Division 1926. Gold Coast Dept. Agr. B. 7: 

 23-24, illus. 1927. 24 G56B 



Includes description of stripe disease of cocoa pods, 

 caused by Bacillus aroideae. 



746. BUNTING, R. H., and DADE, H. A. Gold Coast 

 plant diseases. London, Waterlow, 1924. 124 p., illus. 

 464 B88 



Partial contents: Ch. 2, Pod diseases of cocoa; Ch. 3, 

 Other diseases of cocoa. 



747. BUTLER, E. J. Note on the incidence of cacao 

 diseases in the British Colonial Empire and the steps 

 being taken to investigate and control them. Off. Internatl. 

 des Fabric, de Choc, et de Cacao. B. Off. 4:121-125. 

 Mar. 1934. 68.38 Of2 



English and French. 



748. CIFERRI, R. Las enfermedades del cacao en la 

 zona del Caribe. Union Panamer. B. 65:1279-1293, illus. 

 Dec. 1931. 150.9 M76B 



749. CIFERRI, R. Estudios sobre cacao, I-II. 

 Colombia. U. Nac. Facul. Nac. de Agron. Rev. 8:395-413. 

 Ref. 1948. 9.4 C717 



I, Incidencia de la "pasmaz6n de los pepinos" en 

 algunos cacaos venezolanos; n, Incidencia de las 

 infecciones sistematicas y extemporaneas del 

 Phytophthora palmivora sobre mazorcas de cacaos 

 Forasteros y CrioUos de. Venezuela. 



750. CONSTANTIN, J. Les maladies du cacaoyer. 

 Agr. Prat, des Pays Chauds n. s., 2:327-340, 407-420, 

 illus. Ref. May, June 1931. 26 Ag81 



751. DADE, H. A. Economic significance of cacao pod 

 diseases and factors determining their incidence and 

 control. Gold Coast Dept. Agr. B. 6, 59 p., illus. Jan. 

 1927. Ref. 24 G56B 



Abstract in same publication, 7:28-34. 1927. 



752. DADE, H. A. Factors determining the incidence 

 of diseases of cacao-pods. Gold Coast Dept. Agr. B. 7: 

 28-34. 1927. 24 G56B 



Abstract of preceeding item. 



753. DADE, H. A. Further observations on cacao pod 

 diseases in the Gold Coast. Gold Coast Dept. Agr. B. 

 23:109-121. Ref. 1930. 24 G56B 



754. GALLEY, R. A. E. The control of cocoa diseases 

 in West Africa. World Crops 2:189-193, illus. Ref. May 

 1950. 281.8 W892 



Discusses possibilities of new remedies. 



755. GARCES OREJUELA, C. Enfermedades del 

 cacao en Colombia. Bogota, Mjnisterio de la Economfa 

 Nacional, 1940. 59 p., illus. Ref. 464.09 G16 



•Diseases of the roots, of trunk and branches, and of 

 pods. 



23 



