Do not apply within 66 days of harvest. These products include Luna Experience. Nu-Cop 50 DF at 2 to 6 lb/A. About 10 hours of shoot wetness is required for light infections at 50°F. Leaf petioles and cluster rachises also can develop lesions in severe years. Quadris Top at 12 to 14 fl oz/A. Leaf spots are chlorotic and slightly puckered. Although Gavel is registered, it contains a chemical for control of downy mildew, a disease not found on grape in the PNW and thus is not recommended for use. May be applied up to the day of harvest. 48-hr reentry. Symptoms In the dormant season, infected canes may become bleached, and numerous black fruiting bodies (pycnidia) may develop all along the cane's basal region. Do not use with oils, lime. Small leaf spots also can occur early in leaf development, which can severely crinkle or misshape the leaf. The more susceptible cultivars include Grenache, Flame Tokay, and Thompson Seedless. Applications just before or just after cluster emergence helps manage rachis infections. Symptoms are similar to those of Botryosphaeria dieback or Eutypa dieback. Numerous diseases and pests potentially affect grapes; only a handful of these diseases or pests leave brown or rusty-looking leaf spots. 12-hr reentry. Phomopsis Cane and Leaf Spot, caused by Phomopsis viticola: During the first days of spring, elliptical wounds can be seen on the young sprouts, wounds which are brown, united and solitary. ManKocide at 2.5 lb/A. Grape erineum mite damage appears on young leaves as dark green to pink tinged swellings on upper areas. Vineyards severely infected with cane and leaf spot also had a high incidence of vine dieback. These spores are exuded during rain events when the bark is wet. or alkaline materials. Group M1 + M3 fungicide. If it is just humid the spores form what is called a cirrus (it is kind of like a Play-dough fun factory). Miravis Prime at 9.2 to 13.4 fl oz/A. Do not apply within 14 days of harvest. 2018. Hi-Yield Captan 50 W Fungicide may be used in home gardens at 1 to 1.5 Tbsp/gal water. By Lisa Chinn When grape leaves are infested with grape rust fungus or rust mites, the leaves turn a bronze or rust-like color from the damage. Aprovia at 8.6 to 10.5 fl oz/A plus an adjuvant. This same fungus has also been found infrequently as a trunk pathogen causing cankers, interior wood discoloration, poor vigor, and dieback. Topguard EQ at 8 fl oz/A. Cueva at 0.5 to 1 gal/100 gal water/A. (field bean, kidney, lima, navy, and pinto), Garbanzo Bean (Chickpea), Cicer arietinum, Control of Some Common Aquatic Weeds with Herbicides, Treated Water Use Restrictions (Number of Days), Effectiveness of Major Forestry-registered Herbicides during Seasons of Optimum Usage, Oregon Basis, Recommendations for Broadcast Spraying for Control of Listed Species, Recommendations for Directed Spot Spray, Tree Injection, and Basal Bark Treatment, Hybrid Cottonwood (Hybrid Poplar) Grown for Pulp, Vegetation Management in Orchards, Vineyards, and Berries, Blueberry, Gooseberry, Currant, and Elderberry, Important Preharvest Intervals (PHIs) for Vegetables, Site Preparation, Stale Seedbeds, and Burndown Applications, Registered Uses of Carfentrazone (Aim) Herbicide in Food Crops, Crop Rotation Intervals (months) for Common Soil-active Herbicides, Herbicide Effectiveness in Christmas Trees, Weed Control in Container-grown Nursery Stock, Weed Control in Field-grown Nursery Stock, Ornamental Bulb, Rhizome, Corm, and Tuber Crops, Established Tree, Shrub, Rose, and Ground Cover Landscapes, General Maintenance around Ornamental Plantings, Susceptibility of Broadleaf Weeds in Turf to Common Herbicides, Weed Treatments and Available Products for Home Gardens and Landscapes, Managing Unwanted Vegetation in Riparian Restoration Sites, What to Do in Case of Pesticide Poisoning, Personal Protective Equipment (PPE) Definitions, Cleaning, Recycling, and Disposing of Agricultural Pesticide Containers, Disposing of Unusable Pesticides and Agricultural, Household and Residential Pesticide Products, Pesticides, Endangered Species, and Mandatory No-spray Buffer Zones, Worker Protection Standard (WPS) for Agricultural Pesticides.