On the effects of Dikonirt (sodium salt of 2.4-Dichlorophenoxi-acetic acid) on the mortality and reproduction of Daphnia magna

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The effects of sodium salt of 2.4-Dichlorophenoxi-acetic acid (2.4-D-Na) on the mortality and reproduction of Daphnia magna have been tested. The mortality tests were performed in experiments with duration time of 24, 48 and 96 h at the temperatures of 15 and 20 °C. The toxic effect increased by 11-16 regarding 47% with increasing of temperature and exposure time. This herbicide (Dikonirt) affected adversely the reproduction of daphnids at concentration lower than tenth of LC50 value.

Original languageEnglish
Pages (from-to)511-516
Number of pages6
Issue number3
Publication statusPublished - Sep 1 1981



  • Daphnia magna
  • acute and chronic aquatic toxicity
  • fenoxi-acetic acid herbicides

ASJC Scopus subject areas

  • Aquatic Science

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