Junta sobre Manejo de Riego y Nutrientes 2022 Mircoles, 23 de Febrero Registrar Reunin Virtual: https://surveys.ucanr.edu/survey.cfm?surveynumber=36536 Reunin Virtual Costo: $10.
The Michelmore lab at the University of California, Davis routinely monitors isolates of Bremia lactucae, the pathogen that causes lettuce downy mildew for their ability to overcome disease resistance genes and for insensitivity to fungicides.
The California Chapter, American Society of Agronomy and Cooperative Extension, UC Agriculture and Natural Resources are hosting the annual Plant and Soil Conference on Tuesday, February 1 - Thursday, February 3. This will be a virtual event using zoom.
Summary:Automated weeders are capable of selectively removing weeds from the uncultivated band (3-5 inches wide) left around the seedline by standard cultivation. A camera detects the image, a computer processes the image and then activates a kill mechanism (e.g. a split blade).
We published a blog post last year stressing the need to control winter weeds and felt it necessary to issue this information again this winter as we cannot let down our guard regarding reducing host plants for impatiens necrotic spot virus (INSV).