Effect of Imazapic Application Timing on Texas Peanut (Arachis hypogaea)1

PETER A. DOTRAY; TODD A. BAUGHMAN; J. WAYNE KEELING; W. JAMES GRICHAR; ROBERT G. LEMON

doi:10.1614/0890-037X(2001)015[0026:EOIATO]2.0.CO;2

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1 January 2001 Effect of Imazapic Application Timing on Texas Peanut (Arachis hypogaea)

PETER A. DOTRAY, TODD A. BAUGHMAN, J. WAYNE KEELING, W. JAMES GRICHAR, ROBERT G. LEMON

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Weed Technology, 15(1):26-29 (2001). https://doi.org/10.1614/0890-037X(2001)015[0026:EOIATO]2.0.CO;2

Abstract

Abstract: Field experiments conducted in Texas at six locations from 1996 to 1998 evaluated peanut tolerance to imazapic applied postemergence. Imazapic at 71 g ai/ha was applied weekly from ground cracking to 56 d after ground cracking (DAGC). Visible injury 70 DAGC ranged from 0 to 40%. No reduction in canopy height, canopy width, yield, or grade was observed at harvest following any imazapic treatment.

Nomenclature: Imazapic; peanut, Arachis hypogaea L., ‘AT 120’, ‘GK 7’, ‘NC 7’, ‘Tamspan 90’.

Additional index words: Herbicide injury, ground cracking, groundnut, herbicide timings, peanut injury, postemergence, yield.

Abbreviations: DAGC, days after ground cracking; DAP, days after planting; POST, postemergence; PPI, preplant incorporated.

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PETER A. DOTRAY, TODD A. BAUGHMAN, J. WAYNE KEELING, W. JAMES GRICHAR, and ROBERT G. LEMON "Effect of Imazapic Application Timing on Texas Peanut (Arachis hypogaea)," Weed Technology 15(1), 26-29, (1 January 2001). https://doi.org/10.1614/0890-037X(2001)015[0026:EOIATO]2.0.CO;2

Published: 1 January 2001

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