Spray application factors and plant growth regulator performance: IV. Dose response relationships

Research output: Contribution to journalArticleResearchpeer review

Authors

  • Moritz Knoche
  • Norman K. Lownds
  • Martin J. Bukovac

External Research Organisations

  • Wageningen University and Research
  • Martin Luther University Halle-Wittenberg
  • Michigan State University (MSU)
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Details

Original languageEnglish
Pages (from-to)195-199
Number of pages5
JournalJournal of the American Society for Horticultural Science
Volume125
Issue number2
Publication statusPublished - Mar 2000
Externally publishedYes

Abstract

Effect of carrier volume (range 119 to 668 L · ha-1) on dose response relationships of daminozide and GA3 was investigated using bean (Phaseolus vulgaris L.) seedlings as a model system. Carrier volume was varied by altering nozzle travel speed thereby maintaining constant flow rate and droplet size. Response was indexed by inhibition (daminozide) or stimulation (GA3) of elongation of first plus second internodes above primary leaves 14 days after spray application. Increasing dose by increasing concentration and/or increasing carrier volume at constant concentration increased response. For a given dose retained, response to daminozide was related positively to carrier volume, while GA3 response was not affected. Chemical names used: butanedioic acid mono(2,2-dimethylhydrazide) (daminozide); gibberellic acid (GA3).

Keywords

    Bean, Carrier volume, Daminozide, Droplet size, Gibberellic acid, Phaseolus vulgaris, Spray volume

ASJC Scopus subject areas

  • Biochemistry, Genetics and Molecular Biology(all)
  • Genetics
  • Agricultural and Biological Sciences(all)
  • Horticulture

Cite this

Spray application factors and plant growth regulator performance: IV. Dose response relationships. / Knoche, Moritz; Lownds, Norman K.; Bukovac, Martin J.
In: Journal of the American Society for Horticultural Science, Vol. 125, No. 2, 03.2000, p. 195-199.

Research output: Contribution to journalArticleResearchpeer review

Download
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