General Information


Quali-Pro Chlorpyrifos 4E insecticide forms an emulsion when diluted with water and is suitable for use in all conventional spray equipment. Consult your State Experiment Station or State Extension Service for proper timing of applications.

When an adjuvant is to be used with this product, Makhteshim Agan of North America, Inc. suggests the use of a Chemical Producers and Distributors Association certified adjuvant.


Do not formulate this product into other end use products. Attention: Do not cut or weld container.

Limitations, Restrictions, and Exceptions


Use Quali-Pro Chlorpyrifos 4E as a soil-surface application for control of grape root borer by application just before the pest emerges from the soil. Mix 4 1/2 pints (2.25 lbs. a.i.) of Quali-Pro Chlorpyrifos 4E with 100 gallons of water and apply 2 quarts of the diluted spray mixture to the soil surface on a 15-square-foot area around the base of each vine. Do not allow spray to contact fruit or foliage. Quali-Pro Chlorpyrifos 4E may also be used as a prebloom application to control climbing cutworm. Apply one quart per acre as a spray drench ground application using a minimum spray volume of 25 gallons per acre. Do not use in conjunction with soil-surface application for grape borer control.


Based upon available residue data, the use of Quali-Pro Chlorpyrifos 4E in grapes is restricted to states east of the Rocky Mountains/Continental Divide. Do not make more than one application per season of Quali-Pro Chlorpyrifos 4E or other product containing chlorpyrifos. The maximum single application rate for prebloom application is 1 lb. a.i. chlorpyrifos per acre. Not for use in Mississippi.

Pre-Harvest Interval

35 days

Restricted Entry Interval

24 hours