Antiquity of American Polyploid Cotton

• Published in: Science (American Association for the Advancement of Science) Vol. 143; no. 3607; pp. 675 - 676
• Main Authors: Smith, C. Earle, MacNeish, Richard S.
• Format: Journal Article
• Language: English
• Published: United States American Association for the Advancement of Science 14.02.1964
• Subjects: Bolls; Corn; Cotton; Diploidy; Genetic hybridization; Genomes; Molecules; Plants; Recycling; Tetraploidy

Fragments of a boll of Gossypium hirsutum L. from archeological excavations near Tehuacán, Mexico, prove that this species existed in 5800 B.C. No doubt remains that American tetraploid cotton species originated through natural hybridization.