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- Title
Translocation of pesticides in coconut palm by endotherapy with the addition of different adjuvants.
- Authors
Alves Ferreira, Jordana; Maria Santos Ferreira, Joana; Talamini, Viviane; Manoel Pontes Lins, Paulo; Christian Cohen Farias, Samuel; Beatriz Grespan Bottoli, Carla
- Abstract
Commercial pesticides were selected, mixed and applied in coconut stems ( Cocos nucifera Linn.) By endotherapy with various adjuvants. Tissue samples from the coconut stem were collected at different heights and days, and subjected to extraction and analysis by modified QuEChERS ("Quick, Easy, Cheap, Effective, Rugged and Safe") and UHPLC-MS/MS (ultra-high-performance liquid chromatography – tandem mass spectrometry) .The translocations of 3-hydroxy-carbofuran, carbendazim, carbofuran, diphenoconazole, imidacloprid, thiabendazole, thiamethoxam, thiophanate-methyl and spirodiclofen, using salts, citric acid and organosilicones as adjuvants were used, and 30 days after the applications.The results showed that each pesticide had a different translocation profile, modified by the presence of the adjuvants.The most significant modifications were obtained using organosilicones,
- Subjects
COCONUT palm; THIAMETHOXAM; PESTICIDES; IMIDACLOPRID; HIGH performance liquid chromatography; TANDEM mass spectrometry; CARBOFURAN
- Publication
Revista Ciência e Natura, 2020, Vol 42, p1
- ISSN
0100-8307
- Publication type
Article