BYGONE SPRAY Crossword Clue

We know 1 solutions for: BYGONE SPRAY
Crossword Puzzle Infos
The crossword solution for the term 'Bygone Spray' is ALAR. ALAR is an agricultural chemical that was used in the 1950s and 1960s to protect fruit trees from frost damage. It was sprayed on the trees and absorbed into the leaves, where it would then evaporate and form a protective layer of ice around the tree. The use of ALAR has since been discontinued due to its potential health risks.
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