Low-Cost Weed Control Systems for Close-Row Peanuts (Arachis hypogaea)

Weed control, yield, quality, and net return in reduced-cost and standard weed control systems were studied in “Sunbelt runner’ peanuts (Arachis hypogaea L.) planted in a twin-row pattern in 1982 to 85 at Tifton, GA, and 1982 to 84 at Headland, AL. Reduced herbicide rates and/or less expensive herbi...

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Bibliographic Details
Published inWeed science Vol. 35; no. 5; pp. 700 - 703
Main Authors Cardina, John, Mixon, Aubrey C., Wehtje, Glenn R.
Format Journal Article
LanguageEnglish
Published Cambridge, UK Cambridge University Press 01.09.1987
Weed Science Society of America
Subjects
Biological and medical sciences
Broadleaf weeds
Chemical control
Cost accounting
Cost control
Crop economics
Crop quality
Economic costs
Fundamental and applied biological sciences. Psychology
Headlands
Herbicides
Parasitic plants. Weeds
Peanuts
Phytopathology. Animal pests. Plant and forest protection
Weed control
Weed Control and Herbicide Technology
Weeds
Arachis hypogaea
economics
Leguminosae
Dicotyledones
Angiospermae
Treatment threshold
Spermatophyta
Oil plant(vegetal)
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Summary:Weed control, yield, quality, and net return in reduced-cost and standard weed control systems were studied in “Sunbelt runner’ peanuts (Arachis hypogaea L.) planted in a twin-row pattern in 1982 to 85 at Tifton, GA, and 1982 to 84 at Headland, AL. Reduced herbicide rates and/or less expensive herbicides were used to decrease weed control costs. In years and locations where weed populations were low there were no differences in weed control, crop yield, or quality. The lowest cost treatment, which included three applications of paraquat (1,1′-dimethyl-4,4′-bipyridinium ion), caused reduced weed control at both locations in 1982 and reduced yield in 1982 and 1984. None of the systems consistently resulted in the highest weed control, crop yield, or quality. A system including reduced rates of preplant-incorporated herbicides followed by two applications of paraquat performed as well as the standard system but cost about 40% less. Due to low cost and generally high yields this system resulted in consistently high net returns. Results indicate that the potential exists for reducing herbicide inputs without sacrificing yield or quality.
ISSN:0043-1745
1550-2759
DOI:10.1017/S0043174500060835