ELI5 Wine - Do pesticides affect the taste of wine?

Where does wine get its taste? Why is it that everything can be tasted in the wine from the climate to the soil but pesticides are never mentioned? Do pesticides affect the taste of wine?

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Thank you to the r/explainlikeimfive community, and specifically the following reddit users whose questions and responses formed the basis of this conversation: ecoJamesbond, indigostrudel & wine-o-saur

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