User:Lhommedieu.1

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1. A group of penetrant fungicides which enter the plant but undergo very little translocation, and therefore protect only a limited, or "localized" part of the plant. See also Fungicide, Localized penetrants and Penetrant fungicide.

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Spraying of a crop field that will only protect the leaves from insects.
Source:http://www.ars.usda.gov