Pymetrozine, Flonicamid and Spirotetramat were also expanded to wolfberry in China for the control of aphids

Recently, three kinds of pesticides (active ingredients), such as Pymetrozine, Flonicamid and Spirotetramat, were approved to be expanded to wolfberry in China for the control of aphids.

Pymetrozine. The nine products are 25% Pymetrozine WP from Anhui Fengle Agrochemical, Shaanxi Biogen, Nanjing Huazhou Pharmaceutical, Shenzhen Noposion, Guilin Jiqi. Shaanxi Sunger, Shaanxi Topsen, Jiangsu Sword, Shanghai Yuelian. 50% of Pymetrozine WP, in the early stage of the occurrence of Lycium aphids, 25% dilution 2000 ~ 3000 times, 50% dilution 4000 ~ 6000 times, homogeneous spray once, Use it up to once per season, with a safety interval of 7 days.

Flonicamid. The three products are 20% Flonicamid WG from Jiangsu Limin, Shaanxi Hengtian Biological, and 50% Flonicamid WG from Shaanxi Meibang. 20% specification dilution 6000 ~ 8000 times, 50% specification dilution 15000 ~ 20000 times, uniform spray once, use up to once a quarter, safety interval of 7 days.

Spirotetramat. One product is Bayer's 22.4% Spirotetramat SC, in the early stage of the occurrence of wolfberry aphids, diluted 4000 ~ 5000 times, evenly sprayed once, used up to once a season, safety interval of 7 days.

Previously, China approved the registration of pesticides (active ingredients) for the control of Lycium aphids mainly include Acetamiprid, Thiamethoxam, Dinotefuran, Dinotefuran · Thiamethoxam, Beta-cypermethrin, Alpha-cypermethrin, Azadirachtin, Matrine, Veratramine, Matrine · Veratramine.

 GB 2763-2021 stipulates that the maximum residue limit standard of Pymetrozine in China's wolfberry (fresh) is 10 mg/kg, the maximum residue limit standard of Spirotetramat in China's wolfberry (fresh) is 5 mg/kg (temporary limit), and the maximum residue limit standard of Flonicamid in China's wolfberry has not been specified.