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1 January 2001 Annual Grass Control with Preplant Incorporated and Preemergence Applications of Ethalfluralin and Pendimethalin in PeanutArachis hypogaea
ERIC P. PROSTKO, W. CARROLL JOHNSON, BENJAMIN G. MULLINIX
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Abstract

Abstract: The efficacy of preemergence (PRE) applications of ethalfluralin or pendimethalin incorporated with irrigation was compared with mechanical preplant incorporated (PPI) applications at equivalent rates in peanut. PRE applications of herbicides followed by irrigation were as effective as PPI applications in controlling Texas panicum, southern crabgrass, and crowfootgrass. Split PPI/PRE applications of ethalfluralin were more effective than PPI applications in controlling Texas panicum in 2 of 3 yr. Sequential postemergence applications of clethodim or sethoxydim increased the control of Texas panicum when ethalfluralin or pendimethalin controlled Texas panicum less than 82%. No differences in peanut yield were observed between PPI or PRE applications of either ethalfluralin or pendimethalin.

Nomenclature: Clethodim; ethalfluralin; pendimethalin; sethoxydim; crowfootgrass, Dactyloctenium aegyptium (L.) Willd. #3 DTTAE; southern crabgrass, Digitaria ciliaris (Retz.) Koel. # DIGSP; Texas panicum, Panicum texanum Buckl. # PANTE; peanut, Arachis hypogaea L. ‘Georgia Green’.

Additional index words: Irrigation.

Abbreviations: fb, followed by; PPI, preplant incorporated; PRE, preemergence; POST, postemergence.

ERIC P. PROSTKO, W. CARROLL JOHNSON, and BENJAMIN G. MULLINIX "Annual Grass Control with Preplant Incorporated and Preemergence Applications of Ethalfluralin and Pendimethalin in PeanutArachis hypogaea," Weed Technology 15(1), 36-41, (1 January 2001). https://doi.org/10.1614/0890-037X(2001)015[0036:AGCWPI]2.0.CO;2
Published: 1 January 2001
JOURNAL ARTICLE
6 PAGES


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