John A Roncoroni

Weed Science Farm Advisor

UC Cooperative Extension
1710 Soscol Avenue
Suite 4
Napa, CA 94559-1315
(707) 253-4221
jaroncoroni@ucanr.edu

Website

http://cenapa.ucdavis.edu

Also in:
Integrated Pest Management

Specialty

Weed Control and Vegetation Management in Perennial Crops, Covercrops and Aquatic and Riparian Weed Control

Education

M.S. Horticulture, University of California, Davis. 1999

Areas of Expertise (click to see all ANR academics with this expertise)

Bibliography

Peer Reviewed

DiTomaso, J.M., J.A. Roncoroni, et al. (2013). "Poison Hemlock Integrated Pest management for Land Managers." UCIPM Pest Note Publication 74162
DiTomaso, J.M., G.B. Kyser, et al. (2013). Weed Control in Natural Areas in the Western United States. University of California Weed Research and Information Center.
Roncoroni, J.A., B.D. Hanson, et al. (2012). Weeds section. UC IPM Pest Management Guidelines: Pears. UC ANR. Publication 3340
Urbez-Torres, J.R., M. Battany, et al. (2010). "Botryosphaeriaceae species spore-trapping studies in California vineyards." Plant Dis 94: 717-724.
Roncoroni, J.A. and S.D. Wright (2010). Weeds section. UC IPM Pest Management Guidelines: Nectarine. UC ANR. Publication 3451
Roncoroni, J.A. and S.D. Wright (2010). Weeds section. UC IPM Pest Management Guidelines: Peach. UC ANR. Publication 3454
Roncoroni, J.A. (2009). Weeds section. UC IPM Pest Management Guidelines: Cherry. UC ANR. Publication 3340
Steinmaus, S., C.L. Elmore, et al. (2008). "Mulched covercrops as an alternative to conventional weed Management systems in vineyards." Weed Research 48: 273-281.
Hanson, B.D., J.A. Roncoroni, et al. Tree, Vine, and Soft-Fruit Crops. Principles of Weed Science. California Society of Weed Science.

Non-Peer Reviewed

Abit, J.M., J.A. Roncoroni, et al. (2012). Walnut and Almond Residual Herbicide comparison. WSSA Research Progress report. Western Society of Weed Science.: 24-26.
Roncoroni, J.A. (2011). Weed Control Update. Grower Advocate. Napa County Farm Bureau. Fall 2011
Roncoroni, J.A. (2010). Control of Tall Annual Willowherb [Epilobium brachycarpum C.Presl] in Vineyards of Californiaâ??s Napa and Russian River Valleys. 2010 Pan-American Weed Resistance Conference. Miami, FL,
Lanini, W.T., S. Capps, et al. (2010). Field Testing of Organic Herbicides. 2010 Western Society of Weed Scientists Annual Meeting. Waikoloa, Hawaii,
Roncoroni, J.A. (2010). Herbicide Resistant Weeds in California Vineyards. Are they inevitable? 58th Annual Lodi Grape Day Report.
Roncoroni, J.A. and W.T. Lanini (2010). Organic Herbicides. CAPCA Advisor magazine. California Association of Pest Control Advisors. December 2010
Roncoroni, J.A. (2010). Whatâ??s That Weed? Azolla. Grower Advocate. Napa County Farm Bureau. Spring 2010
Roncoroni, J.A. (2010). Whatâ??s That Weed? RoundUp Resistant Weeds. Grower Advocate. Napa County Farm Bureau. Fall 2010
Roncoroni, J.A. (2009). Whatâ??s That Weed? Biology and Control of Water Primrose-Ludwigia. Grower Advocate. Napa County Farm Bureau. Fall 2009
Roncoroni, J.A. (2009). Whatâ??s That Weed? Mustard. Grower Advocate. Napa County Farm Bureau. Spring 2009
Roncoroni, J.A. (2009). Whatâ??s That Weed? Starthistle. Grower Advocate. Napa County Farm Bureau. Fall 2009
Roncoroni, J.A. (2008). The View from Below the Vine. Vineyard Views. April 2008
Roncoroni, J.A. (2008). Whatâ??s That Weed? Field Bindweed Biology and Control. Grower Advocate. Napa County Farm Bureau. Summer 2008
Roncoroni, J.A. (2008). Whatâ??s That Weed? Sharppoint Fluvellin Biology and Control. Grower Advocate. Napa County Farm Bureau. Fall 2007
Roncoroni, J.A. (2008). Whatâ??s That Weed? Willowherb Biology and Control. Grower Advocate. Napa County Farm Bureau. Spring 2008
Roncoroni, J.A. (2007). Herbicide Resistance Weeds in Napa? Vineyard Views. May 2007

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