Influence of tillage and Triticum aestivum cover crop on herbicide efficacy in Oryza sativa

David L. Jordan, Patrick K. Bollich, Michael P. Braverman, Dearl E. Sanders

Research output: Contribution to journalArticlepeer-review

5 Scopus citations

Abstract

Field experiments were conducted from 1994 through 1996 in dry-seeded and water-seeded Oryza sativa to compare weed control and O. sativa yield in conventional tillage and reduced tillage (stale seedbed and Triticum aestivum cover crop) systems with no in-season herbicide, propanil applied early postemergence (EPOST), and propanil EPOST followed by propanil plus molinate (dry-seeded production) or granular molinate (water-seeded production). The T. aestivum cover crop reduced Echinochloa crus-galli, Heteranthera limosa, Ammania coccinea, and Cyperus esculentus infestation and reduced the need for in-season herbicides in some but not all experiments. Oryza sativa grain yield was affected by both tillage systems and herbicide programs; however, these treatment factors influenced yield independently. Increasing the number of in-season herbicide applications increased weed control and O. sativa yield in some but not all experiments.

Original languageEnglish (US)
Pages (from-to)332-337
Number of pages6
JournalWeed Science
Volume47
Issue number3
DOIs
StatePublished - 1999
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Agronomy and Crop Science
  • Plant Science

Keywords

  • AMMCO
  • Allelopathy
  • CYPES
  • ECHCG
  • HETLI
  • Weed management

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