Agronomy Journal Journal of Natural Resources and Life Sciences Education
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Published online 1 November 1968
Published in Agron J 60:660-662 (1968)
© 1968 American Society of Agronomy
677 S. Segoe Rd., Madison, WI 53711 USA
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Influence of Fungicides, Herbicides and Combinations on Emergence and Seedling Growth of Cotton1

A. J. Kappelman, Jr. and G. A. Buchanan2

The effect of selected fungicides, herbicides, and fungicide-herbicide combinations on emergence and seedling growth of cotton was studied on four soils in the greenhouse. Herbicides used as preplant, preemergence, and postemergence treatments all reduced seedling growth. Soil fungicides increased emergence and early growth of cotton plants; however, this increase was not evident in 7-week-old plants. Both emergence values and seedling growth were reduced by various pesticide combinations. Plants from plots treated with Lanstan and then treated preemergence with prometryne emerged faster than plants treated with other combinations. However, Lanstanfluometuron treated plants were taller at 2 weeks than plants receiving other treatment combinations. Interactions were also measured between soils and all chemicals.

Key Words: Fungicide-herbicide interactions • Gossypium hirsutum • pesticide combinations


1 Contribution from the Crops Research Division, Agricultural Research Service, U. S. Department of Agriculture, and the Department of Agronomy and Soils, (Alabama) Auburn University Agricultural Experiment Station, Auburn, cooperating.

2 Research Pathologist, Crops Research Division, Agricultural Research Service, USDA, in cooperation with (Alabama) Auburn University Agricultural Experiment Station, and Assistant Prolessor, Department of Agronomy and Soils (Alabama) Auburn University Agricultural Experiment Station, Auburn, Ala.

Received for publication April 20, 1968.


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HOME HELP FEEDBACK SUBSCRIPTIONS ARCHIVE SEARCH TABLE OF CONTENTS
The SCI Journals Crop Science Vadose Zone Journal
Journal of Natural Resources
and Life Sciences Education
Soil Science Society of America Journal
Journal of Plant Registrations Journal of
Environmental Quality
The Plant Genome
Copyright © 1968 by the American Society of Agronomy.