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Abstract

 

This article in AJ

  1. Vol. 50 No. 9, p. 497-499
     
    Published: Sept, 1958


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doi:10.2134/agronj1958.00021962005000090001x

Effects of Polyploidy on Cotton Fibers1

  1. Om P. Kamra2

Synopsis

Synopsis

Artificial polyploids exhibited the usual effects of chromosome doubling. Fiber perimeters and X-ray angle increased apparently in the same proportion in the artificial Old World tetraploids, suggesting that polyploidy increases fiber thickness, but not length of helix in which the cellulose fibrils are deposited. In most samples of G. hirsutum octoploids, no such increase could be observed. In chimeras, leaf and seed epidermis (fibers) were sometimes derived from the same and sometimes 1 from different cell layers.

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