Influence of herbicides on Rhizoctonia root and hypocotyl rot of soybean

Carl Bradley, Glen L. Hartman, Loyd M. Wax, Wayne L. Pedersen

Research output: Contribution to journalArticlepeer-review

Abstract

Rhizoctonia root and hypocotyl rot, caused by Rhizoctonia solani, is a common disease of soybean. Field studies established to observe how preemergence and postemergence herbicides affect the severity of Rhizoctonia root and hypocotyl rot on several soybean cultivars were conducted in Champaign, Dekalb, Monmouth, and Urbana, IL. Herbicides did not significantly (P≤0.05) decrease the R. solani disease severity index (DSI) compared to the control, but did cause some increases in DSI compared to the control at a low frequency in some years. In greenhouse studies, dimethenamid+metribuzin, pendimethalin, acifluorfen, and imazethapyr caused an increased Rhizoctonia root and hypocotyl rot severity compared to the no-herbicide control.

Original languageEnglish (US)
Pages (from-to)679-687
Number of pages9
JournalCrop Protection
Volume21
Issue number8
DOIs
StatePublished - Sep 1 2002

Keywords

  • Glycine max
  • Interaction
  • Plant disease

ASJC Scopus subject areas

  • Agronomy and Crop Science

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