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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Document type:: Monograph

Structure type:: Chapter

Title:: Part III. Cotton

Collection:: Economics Books

ENCLOSURE TO PART II1. ) aggregating 4,000 acres. It was a matter for individual opinion, but he had seen the bad effects of mixing and considered the small packet method dangerous. Mr. PARNELL said that the method he proposed to use was to give several growers fairly large quantities of seed; in the first year a certain amount of mixing is unavoidable, but when the grower gets his whole crop under the new seed and a further supply of pure seed is given to him, a washing out process would take place with a progressive improvement as regards purity. The Section had no definite suggestion to make as to the method of seed distribution and considered that each country would settle the question in the way best suited to itself. 10. MEASUREMENT OF LiNT AT CoTTON BREEDING STATIONS. Mr. WOOD opened the subject by describing his method of measuring lint. He combed out one side and measured from the edge of the seed to the edge of the halo. Mr. PARNELL said that he combed out both sides of the seed and measured the average length for the whole seed as nearly as possible. The actual measurement was made from the parting to a point, short of the extreme edge of the halo, where the bulk of the hairs terminate. Mr. NYE said that he combed out one side and pulled out a tuft at about three o’clock, and then put it on paper for measurement. He considered it was very important that everyone should measure in the same way. The CHAIRMAN (Mz. Milligan) said that, in view of the facility now offered in England for examination and spinning tests of cotton, the main thing was that the Plant Breeders’ own comparisons should be accurate This led to a discussion with regard to spinning tests, in which the desirability of receiving early reports was emphasized, in order to obtain the information before the ensuing cotton planting season. 1. INTRODUCTION OF SEED FROM COUNTRIES OUTSIDE AFRICA. Reference was made to the Note by Mr. Sampson on ‘‘ Methods of investigating the possibilities of new varieties of Cotton,” and a general discussion on the subject took place. (This Note was circulated under No. T.C.(C)Cot.5 and is reproduced in the appendix.) Mr. CAMERON drew attention to the shortage of material for selection, and the necessity for some central organisation such as the Empire Cotton Growing Corporation, acting as a collecting and distributing agency. Mr. WOOD stated that there was a danger of over-emphasizing this aspect; he considered selection from what stock was already in the country of more importance. The Section generally approved Mr. Cameron’s suggestion, and further wished to propose that disinfecting might be done in London. It was agreed that the Empire Cotton Growing Corporation should be invited to assist Plant Breeders to obtain such varieties as they required. 15F

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