Agronomy Journal Journal of Natural Resources and Life Sciences Education
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Published online 1 March 1968
Published in Agron J 60:189-191 (1968)
© 1968 American Society of Agronomy
677 S. Segoe Rd., Madison, WI 53711 USA
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Effect of Skip-Row Culture on Agronomic and Fiber Properties of Upland Cotton (Gossypium hirsutum L.) Varieties1

B. S. Hawkins and H. A. Peacock2

Average lint yields of eight varieties of Upland cotton (Gossypium hirsutum L.) planted in 1963 and 1964 in solid and 2x2 skip-row designs showed a significant yield increase in favor of skip-row planting. Yields from skip-row planting were 30 and 61% greater in 1963 and 1964, respectively, than yields from solid planting. Yields are reported on an allotted hectare basis.

Comparison of average lint yields of all varieties planted in tests from 1959 to 1964 (no test planted in 1961) showed a significant (P=.01) over-all increase 42% in favor of skip-row planting. Differential varietal response to method of planting on lint yields was indicated by significant (P=.01) variety) x method interaction for four varieties studied for 5 years. A significandy (P=.01) greater percentage of total seed cotton was harvested at first picking from solid than from skip-row planting.

Bolls from the skip-row planting were significantly (P=.01) larger than bolls from solid planting in the 1959–1964 tests. Fiber length increased significantly (P=.05) on varieties grown in the skip-row design, but mean length, strength, and fineness were unaffected by method of planting.

Key Words: boll size • lint percent • yield

1 Joint contribution from Crops Research Division, ARS, USDA, and the University of Georgia Agricultural Experiment Stations, Georgia Experiment Station, Experiment, Ga. 30212. Approved as Journal Paper No. 98.

2 Research Agronomists, Crops Research Division, ARS, USDA, Georgia Agricultural Exp. Sta., Experiment, Ga. 30212.

Received for publication June 23, 1967.




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Copyright © 1968 by the American Society of Agronomy.