Residues of High Concentration Carbendazim on Plants in Natural State

TL;DRAbstract

[Objective] The paper was to explore the residual dynamics and degradation rule of high concentration carbendazim in natural condition.[Method] The carbendazim solutions with mass fractions of 0.2% (recommended concentration), 0.4% (2 times of the recommended concentration) and 1.0% (5 times of the recommended concentration) were sprayed on plant leaves, and the residual amount of carbendazim in natural condition was determined. The dynamic models of carbendazim residues under 3 concentrations were also studied.[Result] The degradation of carbendazim under recommended concentration was accorded with Kinetic model for degradation, but the degradation Kinetic model for samples under 2 times and 5 times concentration appeared dissimilation. The residue of carbendazim on plant was affected by absorption capacity of plants and weather conditions. The absorption capacity was affected by application concentration and growth condition of plant, higher concentration application and slow growth

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