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The study of methods for determination of metabolism based resistance of abutilon theophrasti medic. to atrazine

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Authors
Pavlović, Danijela
Vrbničanin, Sava
Božić, Dragana
Simončič, A.
Article (Published version)
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Abstract
Different methods for recording morphological and physiological parameters were used to define the level of susceptibility/resistance of Abutilon theophrasti populations to atrazine, in the period between 2002 and 2003. Three different populations of A. theophrasti from the fields near Belgrade were investigated. Total leaf weight and fresh and dry shoot weight among morphological parameters as well as transpiration, water vapour diffusion, chlorophyll fluorescence and total amount of chlorophyll among physiological parameters were measured. Minor differences to atrazine application between the tested populations of A. theophrasti were observed. There are some differences in all morphological parameters, but the most informative ones were the total fresh and dry shoot weight. Although the measurements of chlorophyll fluorescence caused lower differences between tested populations, this method proved itself as most sensitive among physiological methods. Calculated resistance indexes bas...ed on different parameters ranged from 2.2 to 15.9.

Keywords:
Abutilon theophrasti / Chlorophyl fluorescence / Herbicide resistance / Morphological parameters / Physiological parameters / Triazine resistance
Source:
Journal of Central European Agriculture, 2007, 8, 4, 435-442
Publisher:
  • University of Zagreb, Faculty of Agriculture

ISSN: 1332-9049

Scopus: 2-s2.0-38049086676
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URI
http://plantarum.izbis.bg.ac.rs/handle/123456789/47
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