Author Pat Bowen, Carl Bogdanoff Brad Estergaard Steve Marsh – PARC Initiation date Sat, 01/01/2005 - 12:00 The effects of application and removal timing for polyethylene vine canopy enclosures (sleeves) was studied in two Okanagan Valley vineyards. For full details view attached files. File polyethelyne.pdf Project status Complete Project category Viticulture