Tank mixture additives approach to improve efficiency of bentazon against broadleaf weeds in peas
Sherif B. Abdel Ghani;
Abstract
Efficiency of different tank-mixed additives with bentazon at half rate was investigated on (Malva parviflora) and other broad leaf
weeds comparedwithbentazon at the full recommended rate without additives in peas in open field. All the tested additives enhanced
the efficiency of bentazon at the half rate. Nonyl phenol and toximol S proved to be the most effective additives in comparison with
the full rate treatment. The tested treatments did not show any significant effect on chlorophyll content and soil microorganisms.
Bentazon residues were determined in certain treatments to investigate the effect of the tested additives on bentazon deposition.
Samples were extracted using QuEChERS method and residues were determined using LC-MS/MS. Residues after 24 hours in
the half rate treatment reached 4 times lower than the Maximum Residues Limit (MRL) (0.11 mg kg−1), compared to the full rate
treatment (0.51 mg kg−1), that was slightly above the MRL.
weeds comparedwithbentazon at the full recommended rate without additives in peas in open field. All the tested additives enhanced
the efficiency of bentazon at the half rate. Nonyl phenol and toximol S proved to be the most effective additives in comparison with
the full rate treatment. The tested treatments did not show any significant effect on chlorophyll content and soil microorganisms.
Bentazon residues were determined in certain treatments to investigate the effect of the tested additives on bentazon deposition.
Samples were extracted using QuEChERS method and residues were determined using LC-MS/MS. Residues after 24 hours in
the half rate treatment reached 4 times lower than the Maximum Residues Limit (MRL) (0.11 mg kg−1), compared to the full rate
treatment (0.51 mg kg−1), that was slightly above the MRL.
Other data
| Title | Tank mixture additives approach to improve efficiency of bentazon against broadleaf weeds in peas | Authors | Sherif B. Abdel Ghani | Keywords | Bentazon, weed control, spray tank additives, broadleaf weeds, peas, soil microorganisms. | Issue Date | 16-Mar-2012 | Publisher | Journal of Environmental Science and Health, | Journal | Journal of Environmental Science and Health, | Volume | 47 | Start page | 390 | End page | 396 | DOI | DOI: 10.1080/03601234.2012.648537 |
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