Journal of Agricultural Research

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Identifier: journalofagricul25assouoft (find matches)
Title: Journal of Agricultural Research
Year: 1917 (1910s)
Authors: Association of Land-Grant Colleges and Universities. Journal of agricultural research United States Agriculture, Department of. Journal of agricultural research
Subjects:
Publisher: Washington
Contributing Library: Gerstein - University of Toronto
Digitizing Sponsor: University of Toronto

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of about 16 gm. in21 days after flowering. (18) The Meade bolls reached their mean maximum volume of about29 cc. in 21 days and their mean maximum green weight of about 27 gm.in 28 days after flowering. (19) A mean maturation period of 57.6 days was obtained for the SeaIsland bolls, in comparison with 56.14 days for the Meade bolls, and theperiod of maturation was found to increase as the season advanced. PLATE I Floral buds of Pima (Egyptian) cotton at Sacaton, Ariz., showing the daily increasein size of the involucre during the early stages of growth, for lo successive days, fromthe second to the eleventh day from the appearance of the square. Naturalsize. Photographed by H. F. Loomis. Vf A Growth of Fruiting Parts in Cotton Piants PLATE 1 «* »*•«»*«» «««44«*4«« 4«**««««*« «* **««ft4 4* A4l4ilki44#i* A ^ 4 i i A * A i 4 ii « *li 44 A 4 iliibiiiil A4i4bli^ © Journal of Agricultural Researcli Washington, D. C. Growth of Fruiting Parts in Cotton Plants Plate 2
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Journal of Agricultural Research Washington, D. C. 3 PLATE 2 Bolls of Pima (Egyptian) cotton at Sacaton, Ariz., showing the size at different stagesof development. Beginning at the top row, the ages are 5, 10, 15, and 45 days, respec-tively, as measured from the flowering date. Natural size. Photographed by R.D. Martin. ADDITIONAL COPIES OF THIS PUBLICATION MAY BE PROCURED FROM THE SUPERINTENDENT OF DOCUMENTS GOVERNMENT PRINTING OFFICE WASHINGTON, D. C. AT lo CENTS PER COPYSubscription Price, $4.00 Pek Year PURCHASER AGREES NOT TO RESELL OR DISTRIBUTE THISCOPY FOR PROFIT.—PUB. RES. 57, APPROVED MAY II. I922 OF AGRICPITmi RESEARCH Vol. XXV Washington, D. C, August 4, 1923 No. 5

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