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dc.contributor.authorPARAIBA, L. C.
dc.contributor.authorFERREIRA, J. M. S.
dc.contributor.authorFERRACINI, V. L.
dc.contributor.authorRAMOS, S. R. R.
dc.contributor.authorCERDEIRA, A. L.
dc.contributor.authorASSALIN, M. R.
dc.contributor.authorPAZIANOTTO, R. A. A.
dc.contributor.authorSANTOS, A. J. dos
dc.contributor.authorPARAÍBA, C. C. M.eng
dc.date.accessioned2022-08-31T17:19:37Z-
dc.date.available2022-08-31T17:19:37Z-
dc.date.created2022-08-31
dc.date.issued2022
dc.identifier.citationSpanish Journal of Agricultural Research, v. 20, n. 2, e1002, 2022.
dc.identifier.issn2171-9292eng
dc.identifier.urihttp://www.alice.cnptia.embrapa.br/alice/handle/doc/1145922-
dc.descriptionAbstract: Aim of study: To present a mathematical model to simulate the translocation of pesticides injected into coconut trees. Pesticide residues in water and coconut pulp were also evaluated.Area of study: The data were obtained in coconut plants of the Itaporanga Experimental Field, located in the Municipality of Itaporanga d'Ajuda, Sergipe State, Brazil.Material and methods: To estimate the effect of pesticide site-sap coefficients and retardation factors on translocation and its phytosanitary behavior and risk of contamination of coconut fruits, the stipe was modeled by a classic dispersion-advection equation. The pesticides cyproconazole, azoxystrobin, dimethoate, imidacloprid, metalaxyl, and thiamethoxam were injected into the coconut palm stipe. The method used to extract pesticide residues from pulp, water and coconut sap samples was based on the QuEChERS methodology with modifications.Main results: Simulations showed that (i) the pesticides dimethoate, metalaxyl, and thiamethoxan were the active ingredients showing the greatest potential for translocation in the sap of the coconut tree stem; (ii) the pesticides imidacloprid and metalaxyl translocated upward in the stipe, and more rapidly than pesticides abamectin and cyproconazole, which moved slower to the aerial part of coconut plants. In chromatography analysis, no pesticide residues were quantified in water and coconut fruit pulp samples of coconut trees injected with pesticides, after the evaluated intervals.Research highlights: The proposed model allowed us to observe that the translocation is inversely proportional to the sorption of the pesticide in the stem of coconut trees.
dc.language.isoeng
dc.rightsopenAccess
dc.titleModeling pesticide translocation injected by endotherapy into the stem of coconut tree (Cocos nucifera L.).
dc.typeArtigo de periódico
dc.subject.thesagroCoco
dc.subject.thesagroTranslocaçãoeng
dc.subject.thesagroAgrotóxicoeng
dc.subject.thesagroFungicidaeng
dc.subject.thesagroContaminaçãoeng
dc.subject.thesagroImpacto Ambientaleng
dc.subject.thesagroModelo Matemáticoeng
dc.subject.nalthesaurusMathematical modelseng
dc.subject.nalthesaurusFungicideseng
dc.subject.nalthesaurusTranslocation (plant physiology)eng
dc.subject.nalthesaurusEnvironmental impacteng
dc.subject.nalthesaurusCoconutseng
dc.subject.nalthesaurusMetalaxyleng
dc.subject.nalthesaurusFate and transport modelseng
riaa.ainfo.id1145922
riaa.ainfo.lastupdate2022-08-31
dc.identifier.doihttps://doi.org/10.5424/sjar/2022202-18326
dc.contributor.institutionLOURIVAL COSTA PARAIBA, CNPMA
dc.contributor.institutionJOANA MARIA SANTOS FERREIRA, CPATCeng
dc.contributor.institutionVERA LUCIA FERRACINI, CNPMAeng
dc.contributor.institutionSEMIRAMIS RABELO RAMALHO RAMOS, CNATeng
dc.contributor.institutionANTONIO LUIZ CERDEIRA, CNPMAeng
dc.contributor.institutionMARCIA REGINA ASSALIN, CNPMAeng
dc.contributor.institutionRICARDO ANTONIO ALMEIDA PAZIANOTTO, CNPMAeng
dc.contributor.institutionAGNALDO JOSÉ DOS SANTOS, UNIVERSIDADE FEDERAL DE ALAGOASeng
dc.contributor.institutionCAROLINA COSTA MOTA PARAÍBA, UNIVERSIDADE FEDERAL DA BAHIA.eng
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