led the way in large-scale production of juneberry. Juneberry orchards have been established in Saskatchewan since the 1980s and, slightly later, in Manitoba. There are limited weed control options in juneberry orchards. Herbicides are not registered
29 POSTER SESSION 3 Weed Control/Cross-Commodity
expensive and technically challenging practice for organic grape production ( Dufour, 2006 ; Guthman, 2000 ), and many organic farmers rely on mechanical and hand cultivation for weed control. Although these methods are highly effective, they are also labor
preemergence (PRE) herbicides for summer annual weed control can compromise establishment of overseeded cool-season turfgrass species in the fall. Yelverton and McCarty (2001) reported that prodiamine reduced perennial ryegrass establishment when applied at
48 POSTER SESSION 1B (Abstr. 007–025) Weed Control—Cross-commodity
145 ORAL SESSION 44 (Abstr. 330–337) Weed Control & Pest Management/Cross-commodity
32 ORAL SESSION 1 (Abstr. 387–391) Crop Protection & Weed Control–Woody Ornamentals/Landscape/Turf
145 ORAL SESSION 44 (Abstr. 330–337) Weed Control & Pest Management/Cross-commodity
). Chemical weed control is essential to obtain the highest possible pumpkin yields in NT production systems, and tank mixtures of various herbicides are generally necessary to maximize weed control ( Brown and Masiunas, 2002 ; Kammler et al., 2008
Producers growing squash for markets who desire the use of more naturally occurring herbicides need alternatives that effectively provide season-long weed control. Although corn gluten meal has shown promise as an early-season preemergent herbicide