Leaching Behaviour of Ready-mix formulation of (Chlorantraniliprole 8.8 + Thiamethoxam 17.5 SC) at different Depths of Sandy Loam Soil

Author: Preeti Dhanker*, Sushil Ahlawat, Reena Chauhan, Rahul Dhankar, Pooja and Satender Kumar

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Abstract

Ground-water pollution through leaching of pesticides is one of the major issues. This in turn results in hazard to aquatic systems and drinking water resources. Diffused chemicals via leaching make groundwater vulnerable to pollution, hence making it unfit for proper usage. So, in order to safeguard the leaching losses as well pattern of diffusion, leaching behaviour of ready-premix formulation of Chlorantraniliprole 8.8% + Thiamethoxam 17.5% SC was experimented in sandy loam soil at 150 g. a.i. ha-1 (single dose) and 300 g a.i. ha-1 (double dose) under various laboratory conditions following average annual rainfall of 400 mm. Residues were estimated at variable depths of soil and in leachates with the help of gas chromatography (GC-MS) equipped with electron capture detector (ECD). Method validation was done by performing recovery procedures at a series of different spiking levels ranging 0.01 - 0.10 mg kg-1. Results obtained reported that the residues retained maximum in uppermost c

Keywords

Diffusion, leaching, method, pesticide, wet.

Conclusion

The present experiment was conducted in order to ensure safety, sensible as well as effective use of the insecticides Chlorantraniliprole and Thiamethoxam with respect to human health risks and ecology safety. From the results discussed it can be concluded that no residues were present after 40 cm depth in both the cases and none of the residues of combination product were observed in leachates, hence it is safe for both soil as well as ground water. With the obtained results the scope for risk arising from future use of the combination product is ensured and are safe for use.

References

Ground water as well as surface water deterioration and contamination all around the globe has come up as a fire point over the last few decades due to extent use of pesticides. Residues of a number of pesticides and their degradation products have been very frequently detected in water collected from fields and irrigation canals. On one hand these agro-chemicals are one of the major agricultural assets these days, but whether used in natural or synthetic form, they do actively pose innumerable toxicological hazards and can cause severe risks if occur as remains in the environment. Their persistence as well as leaching in soil contributes huge towards groundwater contamination. There are a number of factors that signifies the presence of insecticide residues in runoff, sediment and leachate, and their mobility or persistence in soil. Such factors include, chemical and physical properties of the compound, soil properties, rainfall, bed construction and the degree of slope (Halimah et al

How to cite this article

Preeti Dhanker, Sushil Ahlawat, Reena Chauhan, Rahul Dhankar, Pooja and Satender Kumar (2022). Leaching Behaviour of Ready-mix formulation of (Chlorantraniliprole 8.8 % + Thiamethoxam 17.5 % SC) at Different Depths of Sandy Loam Soil. Biological Forum –