Joint Effects of Acifluorfen Applications and Soybean Thrips (Sericothrips variabilis) Feeding on Soybean (Glycine max)

Field studies were conducted during 1983 and 1984 to determine the single and interactive effects of trifluralin, soybean thrips, and the sodium salt of acifluorfen on soybean. Increased soybean injury was observed in 1983 when acifluorfen at 0.6 kg ai/ha was applied to soybeans infested with soybea...

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Bibliographic Details
Published in:Weed science 1988-09, Vol.36 (5), p.667-670
Main Authors: Huckaba, Randy M., Coble, Harold D., Van Duyn, John W.
Format: Article
Language:English
Subjects:
AGENTES NOCIVOS
Broadleaf weeds
CAROLINA DEL NORTE
CAROLINE DU NORD
Crop science
Defoliation
ENSAYO
FACTEUR NUISIBLE
FITOTOXICIDAD
GLYCINE MAX
HERBICIDAS
HERBICIDE
Herbicides
INSECTE NUISIBLE
INSECTOS DANINOS
Larvae
PHYTOTOXICITE
Plant roots
Plants
Seed productivity
Soybeans
TESTAGE
THYSANOPTERA
Tillage
Weed Control and Herbicide Technology
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Summary:Field studies were conducted during 1983 and 1984 to determine the single and interactive effects of trifluralin, soybean thrips, and the sodium salt of acifluorfen on soybean. Increased soybean injury was observed in 1983 when acifluorfen at 0.6 kg ai/ha was applied to soybeans infested with soybean thrips versus plants where soybean thrips were controlled. Soybean injury measured by percent defoliation and visual injury ratings was reduced when thrips were controlled versus soybeans where thrips were not controlled with carbaryl at 0.9 kg ai/ha in 1983. Soybean thrips alone did not reduce soybean seed yield in this study. Acifluorfen reduced soybean photosynthetic rate, shoot weight, root weight, and seed yield. Trifluralin had no effect on soybean growth parameters measured in this study.
ISSN:0043-1745
1550-2759
DOI:10.1017/S0043174500075597