Pac O is the new name for OHP Plant Growth Regulator

OHP is changing the name of its paclobutrazol-based plant growth regulator (PGR) to Pac 0, effective immediately.

Formerly known as Paczol, Pac O contains the same active ingredient (AI), same AI concentration (0.4%), same gallon size, and identical use rate recommendations.

Users should be aware that Pac O has a new EPA registration number.

OHP will maintain Paczol state registrations in the near term until supplies are exhausted in the field.

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