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Mendelian Studies of Egyptian Cotton

Published online by Cambridge University Press:  27 March 2009

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

Extract

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
Copyright
Copyright © Cambridge University Press 1908

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References

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.