Dow Agroscience’s florpyrauxifen and Nissan Chemica’s metazosulfuron were discussed and approved during the 21st session of the 8th National Expert Committee of Pesticide Registration.
Dupont’s triflumezopyrim(insecticide) and aminocyclopyrachlor(herbicide) and Nippon Keyan’s pentoxazon(herbicide) were successfully approved for full registration in China
On 18 Aug 2017, China MoA released the meeting minutes of the 21st session of the 8th National Expert Committee of Pesticide Registration. The session was held in Beijing on 31 Jul during which 27 new active ingredients were reviewed, of which 9 were herbicides, 8 insecticides, 5 fungicides, 4 plant growth regulators (PGRs) and 1 insect pheromone.
The conference finally agreed to grant full registration to 21 new active ingredients, including Dupont’s triflumezopyrim (insecticide) and aminocyclopyrachlor (herbicide) and Nippon Keyan’s pentoxazon (herbicide). In 2013, Novaluron was initially registered by FMC Suzhou and Jiangsu Jiannong as a hygienic insecticide for export only purpose. In this session, the experts approved its domestic use after an application was submitted by ADAMA-MAI. Both florpyrauxifen (herbicide) and metazosulfuron (herbicide) were reviewed and rejected in the 20th session at the end of last year and only approved for temporary registration. The committee reopened and approved the full registration after Dow Agroscience and Nissan Chemical supplemented their dossier with additional supporting data.
Registration applications for 10 products using 6 new active ingredients were rejected due to major data deficiencies including:
- Phytosanitary concern on proposed host crop;
- Incorrect efficacy experimental design for multiple compounded formulation;
- Lack of data to justify TC/TK registration exemption for botanical pesticide;
- If the new active ingredient was initially registered outside China, an original copy of the document submitted to the initial receiving authority and technical conclusion made by the initial receiving authority is required and was not provided;
- The exposure supporting health risk assessment should be based on Chinese population;
- More experimental data for higher-level risk assessment is required;
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