Report No. 5:SMF033
Grape: Vitis vinifera 'Chardonnay'
Powdery mildew: Erysiphe necator

Evaluation of soft chemistry fungicides for powdery mildew management in grape, 2010.

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First Author: Ian Bay, University of California, Davis

Additional Authors: J.D. Eynard; W.D. Gubler

Section: Small Fruits


Geographical location: California, United States

Products Tested: Saf-T-Side; HiPeak; Flint; Rally; Thiosperss; Vigor-Cal; JMS Stylet-oil; MBI-106020; Regalia; Oroboost; Sporatec; Yucca Ag-aide; BTN+; Actinovate; Biolink; CO2; HiWett; Kumulus; Nutrol; Microthiol Disperss; Hydrogen peroxide; Abound

Active chemical(s): Petroleum oil; Potassium dihydrogenorthophosphate + dipotassium hydrogenorthosphosphate; Trifloxystrobin; Myclobutanil; Sulfur; Calcium; Paraffinic oil; Proprietary; Reynoutria sachalinensis extract; Alcohol ethoxylate; Rosemary, clove and thyme oil; Yucca schidigera extract; Nitrogen, phosphate, potash, sulfur; Streptomyces lydicus WYEC 108; Soapbark, alkyl phenol ethoxylate, polysaccharide; Calciuim, magnesiuim, iron; Polysiloxane polyether copolymer, polyoxyethylene-polyoxypropylene copolymer & alcohol ethoxylate; Sulfur; Phosphate + potash; Sulfur; Hydrogen peroxide; Azoxystrobin

Biological Control: 1. Saf-T-Side; petroleum oil; Lawn and Garden Products, Inc. 2. JMS Stylet-oil; paraffinic oil; JMS Flower Farms, Inc. 3. Vigor-Cal; calcium; Agro-K. 4. MBI-106020; proprietary; Marrone BioInnovations. 5. Regalia; Reynoutria sachilinensis extract; Marrone BioInnovations. 6. Oroboost; alcohol ethoxylate; OroAgri, Inc. 7. Sporatec; rosemary, clove and thyme oils; Brandt. Inc. 8. Yucca Ag aide; Yucca schidigera extract; Desert King, LLC. 9. BTN+; nitrogen, phophate, potash, sulfur; BioTech Nutrients. 10. Actinovate; Streptomyces lydicus WYEC 108; Natural Industries, Inc. 11. Biolink; soapbark,alkylphenol ethoxylate, polysaccharide; Westbridge. 12. CO2; calcium, magnesium, iron; Reforestation Technologies, Intl.

Biorational Product:

Manufacturer(s): Lawn and Garden Products, Inc.; Rotem Amvert Negal, Inc; Bayer CropScience; Dow AgroSciences LLC; Martin Resources; Agro-K; JMS Flower Farms, Inc.; Marrone Bio Innovations; Marrone Bio Innovations; Oro Agri, Inc.; Brandt, Inc.; Desert King International LLC; BioTech Nutrients; Natural Industries, Inc.; Westbridge; Reforestation Technologies, Intl.; First Choice; BASF Corporation; Rotem BKG; Cerexagri; N/A; Syngenta

Publication date: March 28, 2011

The American Phytopathological Society