<abstract xmlns="http://www.w3.org/1999/xhtml"><p> Tobacco plants were separately treated with 0.75 lb./acre and 1.50 lbs./acre of endosulfan I, endosulfan II and endosulfan sulfate. Leaves from the tobacco plants were analysed for endosulfan and its metabolites at the harvesting stage, and later, when flue-cured. From the residue data obtained we conclude that [1] In green tobacco leaf endosulfan I, found in very small amounts, is the only metabolite of endosulfan sulfate, and that endosulfan II is the main endosulfan sulfate metabolite in flue-cured tobacco leaf; [2] The loss of residues during the curing process depends largely on the residue level of this pesticide in the green tobacco leaf: [3] The loss of pesticide during the curing process is mainly due to volatilization; and [4] Smallest amounts of residues are left in tobacco Ieaf with endosulfan I treatments. </p></abstract>

Tobacco plants were separately treated with 0.75 lb./acre and 1.50 lbs./acre of endosulfan I, endosulfan II and endosulfan sulfate. Leaves from the tobacco plants were analysed for endosulfan and its metabolites at the harvesting stage, and later, when flue-cured. From the residue data obtained we conclude that [1] In green tobacco leaf endosulfan I, found in very small amounts, is the only metabolite of endosulfan sulfate, and that endosulfan II is the main endosulfan sulfate metabolite in flue-cured tobacco leaf; [2] The loss of residues during the curing process depends largely on the residue level of this pesticide in the green tobacco leaf: [3] The loss of pesticide during the curing process is mainly due to volatilization; and [4] Smallest amounts of residues are left in tobacco Ieaf with endosulfan I treatments.

Further Investigations into the Metabolism of Endosulfan l, Endosulfan ll and Endosulfan Sulfate in Tobacco Leaf

Tobacco and Pesticide Research Laboratory, North Carolina Agricultural and Technical State University, Greensboro, North Carolina, U.S.A.

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Tobacco plants were separately treated with 0.75 lb./acre and 1.50 lbs./acre of endosulfan I, endosulfan II and endosulfan sulfate. Leaves from the tobacco...

Further Investigations into the Metabolism of Endosulfan l, Endosulfan ll and Endosulfan Sulfate in Tobacco Leaf

Publicado en línea: 14 ago 2014

Páginas: 176 - 179

DOI: https://doi.org/10.2478/cttr-2013-0443

© Beiträge zur Tabakforschung International

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.