Hastings Natural History Reservation

21 Sep, 02 AM - 21 Sep, 08 AM

Weed management in orchards and vineyards is becoming increasingly difficult due to the evolution and spread of glyphosate-resistant weeds. The overall goal of the proposed project is to develop economical and environmentally sound strategies for managing glyphosate-resistant weeds and for preventing the further evolution and spread of glyphosate resistance in agroecosystems that provide tree fruits and nuts, and wine, table, and raisin grapes. To accomplish this goal, we will assess the abundance, distribution, and perceived threat of glyphosate-resistant weeds, and conduct an economic and environmental impact analysis comparing weed management with and without glyphosate. Together with information for a subset of species on the mechanisms, inheritance, and origins of resistance, and the effect of plant phenological stage on glyphosate response, we will evaluate the tradeoffs of different resistance management strategies in terms of financial and environmental costs and their influence on the further evolution and spread of glyphosate-resistant weeds in orchards and vineyards. Alternative resistance management strategies and their tradeoffs will be demonstrated and communicated to orchard and vineyard owners, managers, and workers, pest control advisors, pest consultants, and others through demonstration plots, extension presentations, ?Weed Schools?, and online and popular press articles. The effectiveness of the research and extension activities in providing stakeholders with useful information on resistance management will be evaluated and used to improve research and extension education programs on glyphosate-resistant weeds.

Visit #22950 @Hastings Natural History Reservation

Approved

Under Project # 22517 | Research

EVOLUTION, IMPACTS AND MANAGEMENT OF GLYPHOSATE-RESISTANT WEEDS

research_scientist - University of California, Davis

Reservation Members(s)

Miki Okada Sep 21, 2010 (1 days)
Miki Okada Sep 21, 2010 (1 days)

Reserve Resources(s) | Create Invoice

Day Use Only 2 Sep 21 (6 hours)