Document Type : Original Article
1 Department of Agronomy and Plant Breeding, Faculty of Agriculture and Natural Resources, University of Mohaghegh Ardabili. Ardabil. Iran
2 Department of Biology, Islamic Azad University, Medical Branch of Tehran, Iran
This study was designed to assess the effect of rimsulfuron soil residues (0, 0.11, 0.58, 1.1, 2.4, 3.6 and 5.8 μg a.i. kg−1soil) on sugar beet (Beta vulgaris L.) plant with bioassay method. Plant response of roots and shoot dry weight per pot were described by A log-logistic model using R software as a function of rimsulfuron doses logarithm by non-linear regression and used to calculate the doses for 10, 50 and 90% inhibition of plant root and shoot dry weight (ED10, ED50 and ED90). Sugar beet was susceptible to rimsulfuron soil residues in all concentrations and biomass loses increased linearly as the concentration of rimsulfuron increased in the soil up to 0.11 µg/kg soil. The root biomass was more sensitive than shoot biomass where the ED50 calculated for root and shoot biomass was 0.123 and 0.202 µg. kg-1 soil, respectively. The same results were obtained for ED10 and ED90. From the results of the study, it is concluded that sugar beet is very sensitive and suitable species for using as a bio indicator in bioassay experiments for determine the side-effects of rimsulfuron at low concentration rates. By determining the concentration of rimsulfuron soil residues and the side-effect on sensitive crops, the agricultural managers could have some flexibility in crop rotations program if sensitive crop such as sugar beet is to be planted in the field that previously treated with sulfonylurea herbicides.
Grahovac N.L, Stojanovic Z.S, Kravic S.Z , Orcic D.Z, Suturovic Z.J, Kondic-Spika A.D, Vasin J.R, Sunjka D.B, Jaksic S.P, Rajkovic M.M, Grahovac N.M. 2017. Determination of residues of sulfonylurea herbicides in soil by using microwave-assisted extraction and high performance liquid chromatographic method. Hem. Ind. 71: 289-298.
Hernandez-Sevillano E, Villarroya M, Alonso-Prados J.L, Garcia-Baudin J.M. 2001. Bioassay to detect Mon-37500 and triasulfuron residues in soils. Weed Technol. 15: 447-452.
Jhala A.J, Ramirez A.H.M, Singh M. 2012. Rimsulfuron Tank Mixed with Flumioxazin, Pendimethalin, or Oryzalin for Control of Broadleaf Weeds in Citrus. HortTechnol. 22: 638-643.
Mehdizadeh M. 2016. Effect of Pesticide Residues on Agricultural Food Production; A Case Study: Sensitivity of Oilseed Rape to Triasulfuron Herbicide Soil Residue. MOJ Food Processing & Technology. 2: 53-54.
Mehdizadeh M, Alebrahim M.T, Roushani M, Streibig J.C. 2016. Evaluation of four different crops’ sensitivity to sulfosulfuron and tribenuron methyl soil residues. Acta. Agr. Scand. B. 66: 706-713.
Moyer J.R. 1995. Sulfonylurea Herbicide Effects on Following Crops. Weed Technol. 9: 373-379.
Pannacci E, Onofri A, Covarelli G. 2006. Biological activity, availability and duration of phytotoxicity for imazamox in four different soils in Central Italy. Weed Res. 46: 243250.
Santin-Montanya I, Alonso-Prados J.L, Villarroya M, Garcia-Baudin J.M. 2006. Bioassay for Determining Sensitivity to Sulfosulfuron on Seven Plant Species. J Environ Sci Health B. 41: 781-793.
Shinn S.L, Thill D.C, Price W.J. 1999. Volunteer Barley (Hordeum vulgare) Control in Winter Wheat (Triticum aestivum) with MON 37500. Weed Technol. 13: 88-93.
Springer V, Anibal C.V, Lista A.G. 2016. Screening and Evaluation of Variables for Determination of Sulfonylurea Herbicides in Water Samples by Capillary Zone Electrophoresis. Separations. 3: 22-32.
Streibig J.C. 2016. Herbicide Bioassay. Weed Res. 28: 479-484.