PICLORAM Definition & Meaning

picloram

[ pik-luh-ram, pahy-kluh- ]

Phonetic (Standard)IPA

Chemistry.

a colorless powder, C 6 H 3 Cl 3 N 2 O 2 , used as a systemic herbicide for controlling annual weeds and deep-rooted perennials on noncrop land.

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1960–65; reverse compound from am(inotrich)lor(o)pic(olinic acid) ; amino-, tri-, chloro- ², picolinic

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Examples have not been reviewed.

"White," a mixture of a persistent chemical called Picloram and 2,4-di-chlorophenoxyacetic acid, causes leaves to shower from trees within weeks.

These include 2,4-D, dicamba, picloram, metsulfuron methyl, clopyralid and triasulfuron.

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