Document Type

Report

Publication Date

3-2024

Keywords

Arkansas, cotton, planting, fruiting, harvesting, crop yield, crop quality

Abstract

he primary goal of the Arkansas Cotton Variety Tests is to provide unbiased data regarding the agronomic performance of cotton varieties and advanced breeding lines in the major cotton-growing areas of Arkansas. This information helps seed companies establish marketing strategies and assists producers in choosing varieties to plant. These annual evaluations will then facilitate the inclusion of new, improved genetic material in Arkansas cotton production. Adaptation of varieties is determined by evaluating the lines at five University of Arkansas System Division of Agriculture research sites (Manila, Keiser, Judd Hill, Marianna, and Rohwer). The 2023 tests at Keiser were adversely affected by excessive rain and subsequent slow drainage, which hindered plant development and insect control. Yields from the Keiser tests are reported but not included in the overall location means. Entries in the 2023 Arkansas Cotton Variety Tests were evaluated in two groups—transgenic and conventional varieties. The 44 entries in the transgenic test included 1 B2XF, 20 B3XF, 13 W3FE, and 10 B3TXF lines, which were evaluated at all five locations. Varieties having the ThryvOn® technology (B3TXF) had not been previously evaluated in the Arkansas Cotton Variety Tests. The conventional test included 12 entries, which were evaluated at all locations except Manila. Reported data include lint yield, lint percentage, plant height, percent open bolls, yield component variables, fiber properties, leaf pubescence, stem pubescence, and bract trichome density. All entries in the experiments were evaluated for response to tarnished plant bug and bacterial blight in separate tests at Keiser. This 2023 report includes results of large-plot variety tests in 8 counties that were coordinated by Joe McAlee.

Series Number

700

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