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Observations on the diseases of Cacao pods in Papua-New Guinea.-I. Fungi associated with mature pods.-II. Cherelle wilt

Thrower, L.B.

Tropical Agriculture 37(2): 111-120

1960

ISSN/ISBN: 0041-3216
Accession: 014124874
Black pod of cacao in the Gazelle Peninsula, New Britain, is considered by the Dept Agric. to consist of a wet-weather component (Phytophthora pod rot) caused by P. palmivora and a dry-weather component (Diplodia pod rot) caused by Botryodiplodia theobromae and Colletotrichum sp.. Tissues invaded by P. palmivora were light brown on fresh cuts, not drier than healthy tissues, and the walls of the pods remained firm and the mucilage pale.

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Related References

Thrower, L.B. 1960: Observations on the diseases of cacao pods in Papua-New Guinea.II. Cherelle wilt Tropical Agriculture 37: 121-124
Hicks, P.G. 1967: Observations on the diseases and conditions of Cacao pods in Papua and New Guinea Pod losses 1962-1965 Papua New Guin. agric. J 19(1): 5-9
Baker, G.L. 1976: Cryptophlebia encarpa (Meyrick) (Lepidoptera: Tortricidae) as a pest of cacao pods in the Northern Province of Papua New Guinea Papua New Guinea Agricultural Journal 27(1/2): 11-17
Reyes E., H.; De Reyes, L.C.; Armas P., G. 1969: Observations on cherelle wilt of cacao Agron. trop, Maracay, 9-28
Toxopeus, H.; Gerard, B.M. 1968: A note on mirid damage to mature cacao pods Nigerian Entomologists' Magazine 1: 59-60
Humphries, E.C. 1940: Cacao ecology. Studies in the physiology of Theobroma cacao, with special reference to cherelle wilt. I. Preliminary investigations of the factors concerned in wilt Trinidad Ninth Ann. Rept. Cacao Res., 1940. 33-42
Smith, E.S.C.; Kidd, D.W. 1983: Two new minor pests of ripe cocoa pods in Papua New Guinea Australian Entomological Magazine 9(5): 61-62
Claydon, A. 1983: Potential of winged bean pods and their products in Papua New Guinea Qualitas Plantarum Plant Foods for Human Nutrition 32(2): 167-177
Nichols, R. 1961: Xylem occlusions in the fruit of cacao (Theobroma cacao) and their relation to cherelle wilt Ann. Bot, Lond., 25: 463-75
Uthaiah, B.C.; Sulladmath, U.V. 1981: Effect of growth regulators on cherelle wilt in cacao Theobroma cacao L Journal of Plantation Crops 9(1): 46-50
Ashiru, G.A. 1969: Cherelle wilt in Cacao (Theobroma cacao L.): a review of current literature Cacao. Turrialba 14(2): 5-7
Naundorf, Gerhard; Villamil, G.Fernando 1950: The physiology of cacao. Treatments with growth substances and their influence on cherelle wilt and shedding of cacao fruits Notas Agron palmira Colombia 3(1): 87-90
G.Fernando Vellamil 1949: The physiology of Cacao Cherelle wilt and early shedding of cacao fruits and suggested measures to avoid it Notas Agrori : 82-93
Uthaiah, B.C.; Sulladmath, U.V. 1980: Cytokinin-like substances and cherelle wilt in cacao (Theobroma cacao L.) Journal of Plantation Crops 8(2): 78-81
Laker, H.A.; Trevisan, O.; Bezzera, J.L. 1993: Fungi associated with pods of cocoa (Theobroma cacao L.) attacked by the borer Conotrachelus humeropictus Fiedler in Rondonia State, Brazil Tropical Agriculture 70(4): 332-336