Mendelian Studies of Egyptian Cotton

W. Lawrence Balls

doi:10.1017/S0021859600000654

Mendelian Studies of Egyptian Cotton

Published online by Cambridge University Press: 27 March 2009

W. Lawrence Balls

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W. Lawrence Balls: Affiliation:
Botanist to the Khedivial Agricultural Society, Cairo.

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The Khedivial Agricultural Society of Egypt recently voted a capital expenditure of £2000 towards the establishment of a Mendelian Experiment Station for the study of heredity in cotton.

Type: Research Article
Information: The Journal of Agricultural Science , Volume 2 , Issue 4 , July 1908 , pp. 346 - 379

DOI: https://doi.org/10.1017/S0021859600000654 [Opens in a new window]
Copyright: Copyright © Cambridge University Press 1908

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^{page 346 note 1} This Journal, Vol. II. Pt 2; Khedivial Agricultural Society's Year Book for 1906.

^{page 346 note 2} This Journal, Vol. II. Pt 3.

^{page 346 note 3} Since going to press an important contribution by Martin, H.Leake has appeared in Jour. and Proc. Asia. Soc. Bengal, IV. 1. 1908. Vide inf. pp. 357, 365, 368.Google Scholar

^{page 348 note 1} The writer, Proc. Cairo Sci. Soc. Cairo Sci. Jour. No. 17, 1908. With discussion on causes of crop deterioration in Egypt.Google Scholar

^{page 348 note 2} E.g. Webber, H. J., Yr. Bk. U. S. Dep. Agr. 1902, Plate XLIV.Google Scholar

^{page 349 note 1} K. A. S. Yr. Bk. 1906, No. 89.

^{page 349 note 2} The character is employed by Watt, however, as descriptive. Journ. of Agric. Soi. II

^{page 350 note 1} Fletcher, F., this Journal, Vol. II. Pt 3.Google Scholar

^{page 350 note 2} E.g. “Griffin” Upland. See U. S. Dep. Ag. Bur. Pl. Ind., “Distrib. of Seed in 1903,” p. 7.

^{page 350 note 3} H. A. Allard, U. S. Dep. Ag. Bur. Pl. Ind. Bull. CXI. 2, explains these abnormally long hairs by simple knotting.

^{page 350 note 4} See also K. A. S. Yr. Bk. 1906.

^{page 350 note 5} p. 361.

^{page 351 note 1} Yves, Henry, “Determination de la valeur commerciale des fibres de Coton.” Paris, 1902.

^{page 351 note 2} K. A. S. Yr. Bk. 1905.

^{page 351 note 3} “Texas Wool,” supplied by D. N. Shoemaker, Esq., Waco, Texas.

^{page 351 note 4} Lint born on “rattoons” is always weak.

^{page 351 note 5} E.g. Sea Island and Short Staple Upland.

^{page 353 note 1} Table B.

^{page 355 note 1} Misprinted “y” in K. A. S. Yr. Bk. 1906.

^{page 356 note 1} Table D.

^{page 356 note 2} E.g. Sugar, maize and root-crops.

^{page 357 note 1} Mem. Dept. Ay. India, II. 2, p. 2.Google Scholar

^{page 357 note 2} Journ. and Proc. Asiatic Soc. Bengal, New Ser. Vol. III. No. 7, 1908, p. 524.Google Scholar

^{page 357 note 3} Leake, loc. cit. proves conclusively by study of leaf characters that the speculations about the self-fertilisation of Indian cottons were without foundation.

^{page 357 note 4} See p. 847, on the nature of Hindi.

^{page 357 note 5} Yr. Bk. U. S. Dep. Ag. 1902, p. 370.

^{page 357 note 6} K.A.S. Yr. Bk. 1906.

^{page 358 note 1} p. 359.

^{page 358 note 2} p. 362.

^{page 359 note 1} p. 361, etc.

^{page 360 note 1} Entomologist to the K. A. S.

^{page 360 note 2} See also Burkill, loc. cit.; H. Müller, The Fertilization of Flowers, p. 145; W. Trelease, Nectar, Washington, 1879; Toniet, Histoire des Drogues, Paris, 1694, Plate of Cotton plant with insects flying.

^{page 361 note 1} In cross 254:—1st flower in parent-strains, and Fl, appeared on following dates: Hindi, 1st three plants, June 11th, 15th, 30th; Charara, 1st four plants, June 12th, 13th, 14th, 14th; F1, three plants, June 4th, 5th, 6th.

^{page 362 note 1} Unpublished.

^{page 362 note 2} See however, Johanssen, “Int. Conf. on Plant Genetics,” R. Hort. Soc. Jour. 1907.

^{page 363 note 1} E.g. “Willett's Red Leaf.”

^{page 364 note 1} Middleton, T. H., Agric. Ledger, 1896.Google Scholar

^{page 365 note 1} See however, Leake, loc. cit., who has given us a statistical expression for some of these characters.

^{page 367 note 1} This Journal, loc. cit.

^{page 367 note 2} loc. cit.

^{page 368 note 1} loc. cit.

^{page 368 note 2} Confirmed by Leake, loc. cit.

^{page 371 note 1} See p. 375.

^{page 371 note 2} Possibly due to conjunction of large boll.

^{page 373 note 1} Series 253 gave “reversion” to entirely fuzzy seed in FI!

^{page 373 note 2} I have since found by accident that the fuzzy colours are quite distinct when the seed is inspected in bulk from about five metres away.

^{page 373 note 3} K.A.S. Yr. Bk. 1906.

^{page 375 note 1} I.e. Creamy, finer and more silky than Afifi.

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