Grape IPM in the Northeast
Weed Management Updates
Dunst, R. M., A. F. Senesac, and R. M. Pool. 1990. Managing Weeds in New York Vineyards, Vol. I, No. III. Pre-Emergence Herbicides. Cornell Grape Facts Series. New York State Agr. Exp. Sta., Geneva
Dual is no longer registered for use in grapes.
Dunst, R. M., A. F. Senesac, and R. M. Pool. 1990. Managing Weeds in New York Vineyards, Vol. I, No. IV. Post-Emergence Herbicides. Cornell Grape Facts Series. New York State Agr. Exp. Sta., Geneva
Paraquat (Gramoxone Super, Gramoxone Extra). The Gramoxone label now states: "Late season applications to weeds should be made to avoid contact with desirable foliage."
Glyphosate (Roundup). Supplemental labeling lifts restriction on Roundup use after bloom. Supplemental label states: "This product may be applied to grapes prior to the end of bloom stage to avoid injury, or with shielded sprayers or wiper equipment. Applications should not be made when green shoots, canes or foliage are in the spray zone. Roundup has a 14-day preharvest interval."
Lanni, W. T. and B. A. Wertz. 1986-87. Weed Identification Fact Sheets 1 - 32. The Pennsylvania State University, College of Agriculture, Cooperative Extension Service, University Park
Herbicide List. Do not use the herbicides listed in the control section of The Pennsylvania State University weed identification fact sheets. These were developed for field crops. For herbicide information pertinent to grapes, consult Grape Facts: Managing Weeds in New York Vineyards, Volume I, Numbers 1-5, in this appendix, or the current edition of New York and Pennsylvania Pest Management Guidelines for Commercial Grape Production.