On June 1, 2020, Thailand began to impose a ban on paraquat and chlorpyrifos, following the Notice of the Ministry of Industry on the List of Hazardous Substances issued in mid-May. It re-categorized 5 substances as the Type 4 hazardous substances prohibited from production, import, export, use and possession, namely paraquat, chlorpyrifos, chlorpyrifos-methyl, paraquat dichloride and paraquat dichloride bis methyl sulfate. 

By the end of 2016, Thai agricultural pesticide importation totaled 160,687 tons, representing an increase of 10.8% compared with the previous year of 149,458 tons. Import value grew by 7.1% to 20.577 billion THB (587.91 million USD at the current rate). The number of Thai companies engaged in pesticide importation decreased from 147 to 141 while the number of sourcing origins went from 34 in 2015 to 36 in 2016. The number of imported active ingredients/combinations showed little variation however prices were volatile during the year.

After a booming growth of pesticide import value and quantity in 2014, in 2015 Thailand pesticide importation cools down. Even though the import quantity stays similar with 2014, the total value has decreased by 21.4%. 

Thailand agricultural pesticide imports soared over 70% to 22.813 billion Baht (702 million USD at the current rate) by the end of 2014. Compared with the previous year, the number of the imported pesticide active ingredients/combinations increased from 210 to 253. Herbicide was by far the most imported pesticide category, which accounted for 80% of the total volume, followed by Insecticide (9%) and fungicide (8%).

During the first three quarters of 2014,the total value of Thailand’s agricultural pesticide imports reached 581.9 million USD amounting to some 123,096 tons. In total 238 individual pesticide products were imported into Thailand. Almost 62% of all imports were herbicides, followed by fungicides at 18% and insecticides at 17%.