Agriculture

Guest authors Tunyalee Martin, with the UC IPM Program, and Gene Miyao, farm advisor, describe a parasitic plant that has been found in some parts of Yolo County and the Delta.

Alan Wilcox of Wilcox Agri-Products and UC Cooperative Extension specialist Jeff Mitchell debated the challenges and opportunities for increased implementation of conservation tillage practices on California farms during the World Ag Expo in February, reported Alan Stenum in Farm Equipment magazine.

According to the CalFlora website (http://www.calflora.org/), 21 species of amaranths occur (to some extent) in California. While many are non-native, a few, including prostrate pigweed (Amaranthus blitoides) and Palmer amaranth (Amaranthus palmeri), are indigenous.

Whether you need continuing education credits or are interested in keeping abreast of the latest weed science-related research occurring in California (or both), you should be aware that there are three excellet extension events coming up in July of 2018.

The UC Berkeley-UC Davis Linnaean Games Team, comprised of graduate students from UC Berkeley and UC Davis, won the championship at the regional Linnaean Games hosted by the Pacific Branch, Entomological Society of America (PBESA) at its meeting June 10-13 in Reno.

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Our yellowjacket baiting study has been recently published in Journal of Economic Entomology.

Soil compaction is often a problem in field crop production and occurs when soil particles are pressed together, reducing available pore space for air and water. About half the soil volume is composed of particles, the other half is soil pores.

Last year, we saw a number of disorders in sunflower that were mainly related to a heat stress by parental line interaction. Despite extensive testing by the USDA and UC ANR for pathogens in many affected sunflower plants, no causal agents were found.

Integrated pest management (IPM) specialist Frank Zalom, a distinguished professor with the UC Davis Department of Entomology and Nematology and a past president of the Entomological Society of America (ESA), played a key role in a U.S.