Basis for differential susceptibility of rice (Oryza sativa), wild rice (Zizania palustris), and giant burreed (Sparganium eurycarpum) to bentazon.

S. A. Clay, E. A. Oelke

Research output: Contribution to journalArticle

Abstract

The basis for differential susceptibility of tolerant rice, susceptible wild rice (Zizania palustris) and susceptible giant burreed (Sparganium eurycarpum) to foliar application of 1.1 kg [14C]bentazone/ha was investigated. Giant burreed and wild rice absorbed more bentazone than rice at similar growth stages. Less than 10% of the absorbed bentazone was translocated out of the treated leaf of any of the species. Differential tolerance of bentazone among the 3 species was due to differences in the rate of bentazone metabolism. Rice metabolized 98% of the bentazone retained in the treated leaf 1 day after treatment (DAT), while giant burreed and wild rice metabolized less than 2% of the bentazone retained in the treated leaf 5 DAT.
Original languageEnglish (US)
Pages (from-to)301-304
Number of pages4
JournalWeed Science
Volume36
Issue number3
StatePublished - 1988

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Zizania palustris
Sparganium
bentazon
wild rice
Oryza sativa
rice
leaves
foliar application
developmental stages
metabolism

Keywords

  • Minnesota
  • Zizania palustris
  • Sparganium
  • Oryza sativa
  • absorption
  • bentazon
  • pesticide application
  • phytotoxicity
  • degradation
  • weeds
  • Bentazone
  • Herbicides
  • agricultural chemicals
  • application
  • metabolic inhibitors
  • Metabolism
  • plant physiology
  • Rice
  • tolerance
  • translocation
  • article
  • translocation (plant physiology)
  • crop sensitivity
  • F841
  • F900
  • H000
  • herbicide metabolism

Cite this

Basis for differential susceptibility of rice (Oryza sativa), wild rice (Zizania palustris), and giant burreed (Sparganium eurycarpum) to bentazon. / Clay, S. A.; Oelke, E. A.

In: Weed Science, Vol. 36, No. 3, 1988, p. 301-304.

Research output: Contribution to journalArticle

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abstract = "The basis for differential susceptibility of tolerant rice, susceptible wild rice (Zizania palustris) and susceptible giant burreed (Sparganium eurycarpum) to foliar application of 1.1 kg [14C]bentazone/ha was investigated. Giant burreed and wild rice absorbed more bentazone than rice at similar growth stages. Less than 10{\%} of the absorbed bentazone was translocated out of the treated leaf of any of the species. Differential tolerance of bentazone among the 3 species was due to differences in the rate of bentazone metabolism. Rice metabolized 98{\%} of the bentazone retained in the treated leaf 1 day after treatment (DAT), while giant burreed and wild rice metabolized less than 2{\%} of the bentazone retained in the treated leaf 5 DAT.",
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KW - bentazon

KW - pesticide application

KW - phytotoxicity

KW - degradation

KW - weeds

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