Evaluation of glufosinate on rice (Oryza sativa) transformed with the BAR gene and red rice (Oryza sativa)

Sujatha Sankula, Michael P. Braverman, Farman Jodari, Steven D. Linscombe, James H. Oard

Research output: Contribution to journalArticlepeer-review

21 Scopus citations

Abstract

Glufosinate at 1.1 and 2.2 kg/ha injured 'Koshihikari' rice lines that were transformed with the BAR gene from 0 to 53%. However, transgenic 'Gulfmont' rice was not injured. Rice yields of transgenic 'Gulfmont' lines and six of nine 'Koshihikari' lines were not affected by 2.2 kg/ha glufosinate. In field studies, flooding reduced the efficacy of glufosinate in controlling red rice, and greenhouse tests determined that glufosinate efficacy was reduced when red rice was submerged between 25 and 50% of its height. Plant heights and dry weights of red rice increased as flood water depth increased at all rates of glufosinate.

Original languageEnglish (US)
Pages (from-to)70-75
Number of pages6
JournalWeed Technology
Volume11
Issue number1
DOIs
StatePublished - 1997
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Agronomy and Crop Science
  • Plant Science

Keywords

  • BAR-transformed rice
  • flood
  • resistance
  • sequential applications
  • single applications
  • transgenic rice

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