Skip to main content Skip to navigation

Agenda 2023

 

 

The 68th Annual Conference on Soilborne Plant Pathogens

and The 53rd California Nematology Workshop

 

March 28-30, 2023

 

University of California Cooperative Extension Office (Monterey County)

1432 Abbott Street

Salinas, California 93901

http://soilfungus.wsu.edu

 

THIS WILL BE AN IN PERSON MEETING AND NOT VIRTUAL.

 

 

PROGRAM

 

Tuesday March 28, 2023

 

10:00-4:30 pm               Meet at the UCCE extension office at the address above by 9:45 am. Tour of strawberry and leafy vegetable production in Monterey County, including Spence Farm. Separate field trip tickets required, limited to 45, includes box lunch.  FIELD TRIP IS NOW FULL

 

5:00-7:00 pm                 Meeting  of the California Nematology Workgroup, University of California Cooperative Extension Office, 1432 Abbott Street, Salinas, California 93901

 

Wednesday March 29, 2023

 

8:00-8:30 am                  Registration

 

8:30-8:45 am                  Opening Remarks: Timothy Paulitz, organizer, USDA-ARS Pullman, WA

                                           

8:45-9:45 am                  Session Moderator: Timothy Paulitz, USDA-ARS Pullman.

 

Keynote talk regarding career retrospectives of soilborne pathogens by Steven Koike, TriCal Diagnostics. Art and science and soilborne pathogens: Explaining a career. skoike@trical.com

 

 

9:45-10:15 am               Coffee break

 

 

10:15-noon                     Session I. Verticillium, Macrophomina, and Fusarium! Session Chair: Peter Henry, USDA-ARS Salinas. peter.henry@usda.gov (Seven 15-minute talks below)

 

Addressing gaps of current fumigants and advancing non-fumigant IPM solutions to manage Verticillium wilt on tomato. Ella Reeves, NC State University. ereeves2@ncsu.edu

 

Geospatial analysis of California strawberry fields reveals regional differences in crop rotation patterns and vulnerability to a warming climate. Gerardo Ramos, USDA-ARS Salinas. geramos@csumb.edu

 

Enhanced detection and modeling of soilborne pathogens of strawberry and leafy greens. Michael Matson, USDA-ARS Salinas. michael.matson@usda.gov

 

Steam treatments for control of Macrophomina crown rot in summer-planted strawberry. Jose Jaime, USDA-ARS Salinas. jhjaime@csumb.edu

 

Airborne dispersal of Fusarium oxysporum. Peter Henry, USDA-ARS Salinas. peter.henry@usda.gov

 

Examination of genetic vegetative compatibility among a diverse collection of isolates of the Fusarium wilt pathogen of lettuce, Fusarium oxysporum f. sp. lactucae. Jim Correll, University of Arkansas. jcorrell@uark.edu

 

The impact of Fusarium oxysporum f. sp. vasinfectum race 4 and Rhizoctonia solani on cotton production on California. Margaret Ellis, Fresno State University. maellis@mail.fresnostate.edu

 

 

Noon-1:00 pm               LunchUniversity of California Cooperative Extension Office

 

 

1:00-2:35 pm                 Session II. STUDENT PRESENTATIONS. Shashika Hewavitharana, Cal Poly- San Luis Obispo. shewavit@calpoly.edu (Six 15-minute talks below)

 

Tim Paulitz and Shashika Hewavitharana announce the winners of the student competition (5 minutes).

 

Differences between resistance in peppers towards California populations of the peach root-knot and the Southern root-knot nematode, and implications for management. Francisco Franco-Navarro, UC Riverside. ffran005@ucr.edu

 

Assessing the frequency of Pythium wilt and INSV co-occurrence in Monterey County’s lettuce production. Karla Jasso, CSU- Monterey Bay.  kjasso@csumb.edu

 

Soil microbiomes during early soybean development and their relation to Pythium disease outcomes. Michelle Paukett, Penn State University. mrp354@psu.edu

 

Genetic characterization of resistance in lettuce to root pathogens. María Ferrer Ruiz, UC Davis. mferrerruiz@ucdavis.edu

 

Effect of wheat cover crop on Macrophomina root rot and rhizosphere microbiome in strawberry. Mary Steele. Cal Poly- San Luis Obispo. msteel03@calpoly.edu

 

Black root rot complex and pathogenicity of Pythium spp. in California strawberries. Cooper Calvin. Cal Poly- San Luis Obispo. ccalvin@calpoly.edu

 

 

2:45-3:15 pm                Coffee break

 

 

3:15-5:00 pm                Session III. Nematodes! Session Chair: Andreas Westphal, UC Riverside- Parlier. andreas.westphal@ucr.edu (seven 15-minute talks below)

Nematode management in low desert vegetable production. Philip Waisen, University of California Cooperative Extension- Riverside County. pwaisen@ucanr.edu

 

Nematodes are not a problem in pistachio – or are they? Zin Thu Zar Maung, UC Riverside- Parlier. zin.maung@ucr.edu

 

Flood irrigation treatments to reduce severity of ring nematode and bacterial canker on prunes. Becky Westerdahl, Department of Entomology and Nematology, University of California Davis. bbwesterdahl@ucdavis.edu

 

Can anaerobic soil disinfestation be economically feasible in perennial crops? Andreas Westphal, UC Riverside- Parlier. andreas.westphal@ucr.edu

 

Anaerobic digestates as an alternative for the management of plant parasitic nematodes. Caroline Eberlein, UC Riverside- Parlier. ceberl@ucr.edu

 

An unusual root-knot nematode on an unusual plant. Antoon Ploeg & Ole Becker, UC Riverside. Antoon.ploeg@ucr.edu

 

California plans for a quarantine against Guava root-knot nematode, Meloidogyne enterolobii. Heather Scheck, CDFA. Heather.Scheck@cdfa.ca.gov

 

6:30 pm                           Dinner at the Salinas City Center, 1 Main street, Salinas, California 93901 (in Maps it is referred to as CSUMB @ Salinas City Center)

 

 

Thursday March 30, 2023

 

7:45 am                            CSPP Steering Committee board meeting

 

8:30-9:45 am                  Session IV. Soilborne Potpourri. Session Moderator: Yu-Chen Wang, UCCE Santa Cruz, Monterey, San Benito counties yckwang@ucanr.edu (five 15-minute talks below)

 

First report of Thielaviopsis basicola (syn. Berkeleyomyces basicola) causing black shoot rot of raspberry in the U.S and worldwide. Brooke Warres, Driscolls. Brooke.warres@driscolls.com

 

Assessing the risk of pathogen contamination in vegetable transplant production in California. Johanna Del Castillo Múnera, UC Davis. jdelcastillo@ucdavis.edu

 

Soil and seed transmission of spinach downy mildew. Steve Klosterman, USDA-ARS Salinas. steve.klosterman@usda.gov

 

Preventing Phytophthora havocs through timely diagnosis. Ruchika Kashyap, UC Davis. rkashyap@ucdavis.edu

 

Local Streptomyces isolates as potential biocontrol agents of agriculturally important diseases. Isolde Francis, CSU Bakersfield. ifrancis@csub.edu

 

 

9:45-10:15 am               Coffee break

 

10:15-11:15 am             Session V. Soilborne pathogen interactions. Session Chair: JP Dundore-Arias, CSU Monterey Bay. jdundorearias@csumb.edu (four 15-minute talks)

 

Managing soil microbiomes to improve soilborne disease suppression. Nick LeBlanc, USDA-ARS Salinas. nicholas.leblanc@usda.gov

 

Effects of mefenoxam application and Pythium inoculation on fungal diversity in the carrot rhizosphere. Emma Gachomo, UC Riverside. egachomo@ucr.edu

 

Use of genomic resources to understand Polymyxa betae population in soil samples. Viviana Camelo, USDA-ARS Salinas. vmcamelog@gmail.com

 

Avicta seed treatment: two with one blow. Ole Becker, UC Riverside. obecker@ucr.edu

 

The Conference on Soilborne Plant Pathogens would like to thank our corporate sponsors for their support. Their contributions went to cover student scholarships.