Hostname: page-component-848d4c4894-4hhp2 Total loading time: 0 Render date: 2024-05-14T18:47:43.840Z Has data issue: false hasContentIssue false

Studies on the Red Bollworm of Cotton, Diparopsis castanea, Hampson.*—Part I. The Distribution and Ecology of two natural Food-plants, Cienfuegosia hildebrandtii, Gürke, and Gossypium herbaceum var. africana, Watt.

Published online by Cambridge University Press:  10 July 2009

Extract

The present paper reports the principal results from a survey undertaken with the objects of ascertaining the extent of the natural breeding areas of the red bollworm in South Africa and whether the habitats of the food-plants are well defined ecologically. It has been known for some years that the red bollworm feeds on wild cotton, Gossypium herbaceum, and on Cienfuegosia Hildebrandtii (Parsons), but from increased knowledge of the topography and vegetation of the country there were reasons to suppose that the distribution of these food-plants is quite considerably limited in the present and potential cotton-growing areas, and it was desirable that the situation should be investigated in some detail.

Type
Original Articles
Copyright
Copyright © Cambridge University Press 1937

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

References

1Burtt Davy, E. Flowering Plants and Ferns of the Transvaal with Swaziland.Google Scholar
2Gadd, C. H. (1928). A simple method for the determination of the pH values of turbid soils and other solutions.—J. Agric. Sci. 18, p. 206.CrossRefGoogle Scholar
3Hardy, F. (1929). Some aspects and methods of soil survey work.—J. Agric. Sci. 19, pp. 734751.CrossRefGoogle Scholar
4Harland, S. C. (1932). The genetics of Gossypium.—Bibliogr. Genet. 9.Google Scholar
5Hutchinson, H. (1936). Reports from Experiment Stations, Empire Cotton Growing Corporation, 1934–1935, p. 29.Google Scholar
6Monteil, L. (1934). Les insectes nuisibles au cotonnier en Afrique Équatoriale Française.—Agron. colon. No. 193, p. 11.Google Scholar
7Parsons, F. S. (1928). Reports from Experiment Stations, Empire Cotton Growing Corporation, 1926–1927, p. 77.Google Scholar
8Parsons, F. S. (1929). Reports from Experiment Stations, Empire Cotton Growing Corporation, 1927–1928, p. 85.Google Scholar
9Russo, G. (1932). [The decline of cotton plantations in Italian Somaliland.]Agric. colon. 26, pp. 328, 7488, 132, 144.Google Scholar
10Skovsted, A. (1937). Cytological studies in cotton: IV. Chromosome conjugation in interspecific hybrids.—J. Genet. 34, p. 128.CrossRefGoogle Scholar
11Tansley, A. G. & Chipp, T. F. (1923.) Aims and methods in the study of vegetation.—British Empire Vegetation Committee and Crown Agents for the Colonies, London.Google Scholar
12Watt, Sir George. (1907). The Wild and Cultivated Cotton Plants of the World.Google Scholar