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Published in Crop Sci 14:595-598 (1974)
© 1974 Crop Science Society of America
677 S. Segoe Rd., Madison, WI 53711 USA
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Variability in Leaf Anatomy in Primitive and Commercial Stocks of Cotton1

P. R. Morey2, J. E. Quisenberry and B. Roark3

The comparative anatomy of the uppermost leaf having near-complete lamina expansion was studied in primitive and commercial stocks of Upland cotton (Gossypium hirsutum L.). Significant between-stock variation for lamina thickness and palisade height occurred when plants were two months old and later when these same plants were six months old. Leaves formed when plants were six months old had a thicker lamina, a taller palisade layer, and wider palisade cells than leaves from twomonth-old plants.

Key Words: Cotton • Palisade • Spongy parenchyma

1 Joint contribution from Texas Tech University and ARSUSDA in cooperation with the Texas Agricultural Experiment Station. Supported in part by the Institute for University Research of Texas Tech University.

2 Associate Professor, Department of Biological Sciences, Texas Tech University, Lubbock, TX 79409.

3 Research Geneticist and Plant Physiologist, respectively, ARS-USDA, Texas A & M University Agricultural Research and Extension Center at Lubbock, Route 3, Lubbock, TX 79401.

Received for publication February 12, 1974.




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