The fate and residues of zineb, maneb, and ethylenethiourea on fresh and processed tomatoes, cucumbers, and beans
1987
Knio, K.
The Ethylenebisdithiocarbamates (EDBCs) represent an important group of the surface protectant fungicides that are widely used to control a wide spectrum of plant pathogens. To find out to what extent ETU is formed or decomposed under greenhouse and local field conditions, the fruits of tomatoes, cucumbers, and beans were sprayed with (14C)zineb or (14C)maneb and assayed for ETU content and total 14C content by liquid scintillation counting. Assays for ETU content in fresh tomatoes and canned tomato paste products collected from local greenhouses and the local market showed no detectable ETU in analyzed tomato paste products and fresh tomato fruits and low levels of ETU (0.21 ppm) on tomato leaves
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