Proceedings of the South & East African combined agricultural, cotton, entomological and mycological conference held at Nairobi, August, 1926

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Monograph

Identifikator:: 1738588467

URN:: urn:nbn:de:zbw-retromon-115043

Document type:: Monograph

Title:: Proceedings of the South & East African combined agricultural, cotton, entomological and mycological conference held at Nairobi, August, 1926

Place of publication:: Nairobi

Publisher:: East African Standard

Year of publication:: 1926

Scope:: VI, 337 Seiten; Ill.

Digitisation:: 2020

Collection:: Economics Books

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Chapter

Document type:: Monograph

Structure type:: Chapter

Title:: Part III. Cotton

Collection:: Economics Books

124 PART 111. avoiding thinning by single seed planting is obvious, and methods of assisting germination, protecting seedlings against insects, ete., are, in consequence, of great importance. The matter is receiving general attention and members of the Section have arranged to communicate with one another when any definite results of their investigations have materialised. The extent to which single seed multiplication can be carried out will depend on local circumstances. In South Africa where the holdings are extensive and where the growers are keenly interested in obtaining superior seed as quickly as possible, fairly large areas are to be sown in this way during the ensuing season; where native cultivation is the rule such methods will be limited by the size of such seed farms as are under European control. It is equally necessary to avoid losses in the next stage of multiplication, that is, after the seed has passed out of the hands of the first multiplying agency. This brings up the whole question of the policy affecting distribution. A sharp division of opinion on this subject was apparent in the discussions; some members supporting concentration on the large block system, others advocating a system of distribution in small’ quantities over a large area. Except in Uganda, no distribution system appears to have been fully tested in South and East Africa. The matter will doubtless be solved in the manner best suited to the countries concerned. 6. TREATMENT OF SEED BEFORE SOWING. This question was brought up with special reference to the sulphuric acid treatment for de-linting. In view of the conflicting experiences of various members of the Section in the use of this process and the work regarding the effects of various seed treatments on the subsequent growth of the plant (vide Kidd and West), it was considered advisable that the subject should be fully investigated by some central institution, if local investigation proved insufficient. 7. MgzrHODS OF TESTING NEW AND IMPROVED STRAINS OF COTTON IN DIFFERENT PARTS OF THE COUNTRY. The difference between cotton cultivation in South Africa, where the growers were non-native, and in Nyasaland, Tanganyika, and Uganda, was discussed in detail; the question of regular supervision and large scale tests was examined and the advantage of having Agricultural officers of the district in charge of Experimental plots was brought to light. The Section was of opinion that it was no good arranging for tests and records unless these were accurately carried out and that any such tests should be carried out under the supervision of the Agricultural Department. Inspections, with notes, should be made as frequently as possible and at any rate at intervals of not greater than one month. Regular periodic pickings should also be made if possible. = Where sufficiently competent men were in charge meteorological records should also be kent. 8. Mass METHODS FOR IMPROVING OR MAINTAINING THE QUALITY OF CorTOoN IN THE DISTRICTS. In this connection a paper was read by the Director of Agriculture. Tanganyika, in which he described methods of : — (a) Selection of suitable plants as sources of seed—the processes - being repeated in successive seasons;

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