Statistik der Evangelischen Liebestätigkeit (Halboffene und Offene Fürsorge) und Jugendarbeit

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

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Monograph

Identifikator:: 1785255827

URN:: urn:nbn:de:zbw-retromon-188456

Document type:: Monograph

Title:: Statistik der Evangelischen Liebestätigkeit (Halboffene und Offene Fürsorge) und Jugendarbeit

Place of publication:: Berlin-Dahlem

Publisher:: Wichern-Verl.

Year of publication:: 1928

Scope:: XIII, 689 S.

Digitisation:: 2022

Collection:: Economics Books

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Chapter

Document type:: Monograph

Structure type:: Chapter

Title:: Abschnitt I. Fürsorge- und Jugendarbeit in den Provinzen und Ländern. Geordnet nach den Evangelischen Kreis-Wohlfahrtsdiensten

Collection:: Economics Books

APPENDIX. essential, and (2) others they consider advisable if staff permits. They might also discuss the question of how far the entomologist and mycologist can co-operate in regard to crop pests. (9) SEED IMPROVEMENT: METHODS OF INVESTIGATING THE POSSIBILITIES OF NEW VARIETIES OF COTTON. (Note by Mr. H. C. Sampson of the British Empire Cotton Growing Corporation.—T.C.(C)Cot.5.) By new varieties it is taken to mean introduced varieties from other countries. It is presumed that everyone will agree that, in the first instance, investigation must be confined to agricultural stations, until such varieties have become acclimatised. These cannot be considered as merely comparative tests for yield. It is necessary to study in close detail such varieties: to find out whether these are true to a type: to find out the flowering habit and rate of flowering: to find out the amount of shedding; to ascertain the degree of immunity which these have from insect or fungoid diseases, ete., etc.; to note variations from the type, which sometimes show themselves when cultivated varieties of cotton are grown in a new environment, and, if necessary, to make selections with a view to obtaining strains which may prove more suitable to the conditions which prevail. In addition to this, there is the exarn‘nation of the harvested cotton. Then there is the question of the extension of this work in future years. It is more than probable that numerous selections will have to be made from any promising varieties, and in all probability it will be to these that one must look to produce strains suitable to the needs of the country. Here the question of selfing will come in. It appears necessary that this matter should be fully gone into, in order to form an opinion as to what work should be started with the staff available for carrying it out. (10) METHODS ADOPTED TO SECURE THE PURITY OF SEED DISTRIBUTED FOR SOWING PURPOSES. (Note by Mr. H. C. Sampson of the British Empire Cotton Growing Corporation.—T.C.(C)Cot. 6). The regulations which are in force to secure the seed supply are mentioned in T.C.(C)Cot. 1, and there is no need to repeat them here. No other information is available as to the actual steps which are taken under these rules, and it is suggested that the Directors of Agriculture concerned might each prepare a note on the subject for circulation to delegates at the Conference. This, however, is not merely a question of maintaining the purity of the general seed supply to the country. Where botanists and plant breeders are employed for the improvement of the cotton crop there must come a time, if it has not already arrived, when it will be necessary to take adequate steps to keep this supply of seed derived from the plant breeders’ work pure and unmixed with the general seed of the country. 318

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