Dr. Whitney Brim-DeForest

County Director, Sutter and Yuba Counties and CE Rice and Wild Rice Advisor
Sutter-Yuba Counties
142A Garden Hwy
Yuba City, CA 95991
530-822-7515
wbrimdeforest@ucanr.edu Create VCard

Also in:
Capitol Corridor MCP Cooperative Extension
Placer-Nevada Counties

Links

Education

Ph.D. Horticulture and Agronomy, University of California, Davis. 2016
M.S. International Agricultural Development, University of California, Davis. 2014
G.A.C. Development Practice, University of California, Davis. 2014
B.A. Biology, Music, Brown University. 2004

Specialty

Rice, Weeds

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

Bibliography

Peer Reviewed

  • Karn, E., De Leon, T., Espino, L., Al-Khatib, K., & Brim-DeForest, W. (2020). Effects of competition from California weedy rice (Oryza sativa f. spontanea) biotypes on a cultivated rice variety. Weed Technology, 1-9. doi:10.1017/wet.2020.35

  • Karn, E; De Leon, T; Espino, L; Al-Khatib, K; Brim-DeForest, W. (2020). Phenotypic Diversity of Weedy Rice (Oryza sativa f. spontanea) Biotypes Found in California and Implications for Management. Weed Science 68 (5), 485-495

  • De Leon, Teresa; Karn, Elizabeth, et al. (2019). Genetic variation and possible origins of weedy rice found in California. Ecology and Evolution. 9:10, 5835-5848. 

  • Brim-DeForest, WB; Al-Khatib, K; Fischer, AJ (2017). Predicting Yield Losses in Rice Mixed-Weed Species Infestations in California. Weed Science. 65:1, 61-72.
  • Brim-DeForest, WB; Al-Khatib, K, et al. (2017). Weed Community Dynamics and System Productivity in Alternative Irrigation Systems in California Rice. Weed Science. 65:1, 177-188. 

  • Bishop, Kristin & Brim-DeForest, Whitney. (2008). Kinematics of turning maneuvers in the Southern flying squirrel, Glaucomys volans. Journal of experimental zoology. Part A, Ecological genetics and physiology. 309. 225-42. 10.1002/jez.447. 

Non-Peer Reviewed

  • Espino, L., and W. Brim-DeForest. (2020). Fungicide application timing to control stem rot and aggregate sheath spot of rice. Applicator Alerts 5: 8-10.

  • Brim-DeForest, W, Blecker, L, Hunter, AK (2020). PPE in short supply for farm work during the COVID-19 crisis. UC Weed Science Blog. April 22, 2020

  • Brim-DeForest, W, Firoved, R. (2020). New California Rice Herbicide Available in 2020: RebelEX®. UC Rice Blog: Jun 24, 2020

  • Brim-DeForest, W. (2020). Unsolicited seed packets reported across the United States. Weed Science Blog. April 13, 2020

  • Brim-DeForest, W., Blecker, L., Hunter, AK. (2020). Finding Practical Alternatives to Agricultural PPE During the Current Shortage. West Coast Nut: May 2020.

  • Brim-DeForest, W. (2020).New Rice Factsheets Available. Rice Blog: Jul 6, 2020

  • Brim-DeForest, W. (2020). Weedy Rice Survey 2020. Rice Blog: Jul 16, 2020

  • Brim-DeForest, W. (2020). UCCE Sutter-Yuba-Colusa Continuing Education Series Rice Blog: Sept 2, 2020

  • Brim-DeForest, W. (2020). Weed seed collection for herbicide resistance testing Rice Blog: Sept 1, 2020

  • Brim-DeForest, W. (2020). Collecting Watergrass Seed: Field Submissions Needed! Rice Blog: Aug 11, 2020.

  • Brim-DeForest, W. (2020). Weeds: What should you be aware of in 2020? Rice Farming: February.

  • Brim-DeForest, W. (2020). Be on the Lookout for Alligatorweed. Rice Farming: March.

  • Brim-DeForest, W. (2020). Weeds to Watch Out For in 2020. Rice Notes Newsletter. April. 

  • Brim-DeForest, W. (2020). Weeds to Watch Out For in 2020. Rice Notes Newsletter. April. 

  • Espino, L; Brim-DeForest, W. (2020). Fungicide Application Timing to Control Stemrot and Aggregate Sheath Spot in Rice. CAPCA Adviser 13(4): August.

  • Brim-DeForest, W. (2020). Research update: using drones for mapping and applying herbicides to control weedy rice in California rice. Weed Science Blog. Jan 12, 2020

  • Brim-DeForest, W, Hogan, L. Espino. (2020). Remote Sensing of Weedy Rice in California Rice: Challenges and Opportunities. In Proceedings of the 38th Rice Technical Working Group, 24-27 February 2020, Orange Beach, AL.

  • Karn E, Bhagirath S, Espino L, Brim-DeForest W. (2020). Survey of Rice Growing Practices in California Identifies Perceptions and Management of Weeds and Weedy Rice. In Proceedings of Weed Science Society of America Annual Conference, 2-5 March 2020 Maui, HI.

  • Galvin LB, Mesgaran MB, Brim-DeForest W, Al-Khatib K. (2020). Burial Depth and Flooding Effects on Emergence of Five California Weedy Rice (Oryza sativa f. spontaneae Rosh.) Accessions. In Proceedings of Weed Science Society of America Annual Conference, 2-5 March 2020 Maui, HI.

  • Brim-DeForest W, Espino, L. (2020). Weedy Rice (Oryza sativa f. spontaneae) Emergence and Growth Under Variable Irrigation Practices. In Proceedings of Weed Science Society of America Annual Conference, 2-5 March 2020 Maui, HI.

  • Brim-DeForest, W, Espino, L, Blank, T. (2019). Weedy Rice in California: what makes a pest a pest? In Proceedings of the California Plant and Soil Science Conference, 5-6 February 2019, Fresno, CA.

  • Galvin, L., W. Brim-DeForest, M. Mesgaran and K. Al-Khatib. (2019). Flooding depth and burial effect on emergence of five California weedy rice biotypes. Proc. Ann. California Weed Sci. Soc. Meeting. 71:11-12

  • Brim-DeForest, W., Karn, L. Bhagirath and L. Espino. (2019). California Weedy Rice Surveillance and Rice Production Survey. In Rice Field Day, Biggs, CA, 28 August 2019. Rice Experiment Station, Biggs.

  • Brim-DeForest, W., Blank and L. Espino. (2019). Weedy Rice Update: Populations and Distribution in California. In Rice Field Day, Biggs, CA, 28 August 2019. Rice Experiment Station, Biggs.

  • Lepsch, H; Brim-DeForest, W; Denny, M (2019). Top-dressing organic wild rice – is it effective?
    Wild Rice Newsletter. August. 

  • Brim-DeForest W., Al-Khatib K., L. Espino, B. Linquist, and M. Leinfelder-Miles. (2019). Weedy Rice. Report, California Rice Research Board.

  • Al-Khatib K., A. Godar, A. Ceseski, K. McCauley, M. Galla, B. Linquist, W. Brim-DeForest, and M. Leinfelder-Miles. (2019). Weed Management in Rice. 51st Annual Report, California Rice Research Board.

  • Linquist, B. A., Brim-DeForest, WB, L. A. Espino, M. M. Leinfelder-Miles, J. R. Stogsdill. (2019). Cooperative Extension rice variety adaptation and cultural practices research. 50th Annual Report, California Rice Research Board.

  • Brim-DeForest, WB. (2019). Managing weedy rice in California, a systems-level approach. Annual Report, University of California Presidential Endowed Fellowship in California Rice.

  • Brim-DeForest, WB, L. A. Espino, S, Hogan. (2019). Evaluating the potential for aerial imagery in detecting weedy rice in California rice fields. Annual Report, California Rice Research Board.

  • Brim-DeForest, WB. L. A. Espino, M. Jasieniuk. (2019). Emerging Weed Issues in Rice. Annual Report, California Rice Research Board.

  • Brim-DeForest, W. (2019). Weed Identification: A Crucial Component of Weed Management. Progressive Crop Consultant 4(3): May/June.

  • De Leon, TB; Karn, E; Al-Khatib, K; Espino, L; Blank, T; Andaya, CB; Andaya, VC; Brim-DeForest, W. (2019). Genetics and possible origins of California weedy rice. CAPCA Adviser 12(6): December.

  • Brim-DeForest, W (2019). Alligatorweed spotting in Butte County. Rice Notes Newsletter. August.

  • Brim-DeForest, W (2019). Weed Management: 2019 Season. Rice Notes Newsletter. June.

  • Brim-DeForest, W (2019). Tillage for weed management in a good water year. Rice Notes Newsletter. March.

  • Brim-DeForest, W; Espino, L; Blank, T (2019). Weedy Rice: 2018 season wrap-up and looking ahead for 2019. Rice Notes Newsletter. March.

  • Brim-DeForest, W (2019). Weedy Rice Scouting and Reporting. Rice Notes Newsletter. August.

  • Brim-DeForest, W (2019). Herbicides for the Homeowner: Frequently Asked Questions. UC Weed Science Blog. July 28, 2019. 

  • Galvin, L., W. Brim-DeForest, K. Al-Khatib. (2018). Weedy Rice: An Emerging Pest in California Rice +Systems. Plant Sciences Symposium, International Rice Research Institute, Los Baños, Philippines

  • Al-Khatib, K; Godar, A; Ceseski, A; Ohadi, S; Driver, K; Galvin, L; Lee, M; Linquist, B; Brim-DeForest, W; Espino, L; Leinfelder-Miles, M (2018). Weed Management in Rice. 50th Annual Report, California Rice Research Board.

  • Brim-DeForest, W (2018). What Makes a Weed a Weed? The Case of “Weedy” Rice. UC Weed Science Blog. January 8, 2018. 

  • Brim-DeForest, W., Al-Khatib K., L. Espino, B. Linquist, and M. Leinfelder-Miles. (2018). Weedy Rice. Report, California Rice Research Board.

  • Brim-DeForest, W (2018). Another field with the suspected new species: Sutter County! Rice Notes Newsletter. July.
  • Brim-DeForest, W (2018). Be on the lookout for two new watergrass species. Rice Farming. 52:4. March.
  • Brim-DeForest, W (2018). Best Practices for California Rice Weed Management. Progressive Crop Consultant. 3:2. March/April.
  • Godar, A; Brim-DeForest, W; Al-Khatib, K (2018). Butte-Based Herbicide Programs in California Water-Seeded Rice. In Proceedings of the 37th Rice Technical Working Group. Long Beach, CA. 19-22 February 2018.
  • Al-Khatib, K; Godar, A; Brim-DeForest, W (2018). Community Efforts to Detect and Manage Herbicide Resistant Weeds in California Rice. In Proceedings of the 37th Rice Technical Working Group. Long Beach, CA. 19-22 February 2018.
  • Linquist, B; Brim-DeForest, W; Espino, L; Leinfelder-Miles, M; Stogsdill, J (2018). Cooperative Extension Rice Variety Adaptation and Cultural Practice Research. Report to California Rice Research Board.
  • Brim-DeForest, W; De Leon, T; Al-Khatib, K (2018). Effects of Weedy (Red) Rice Competition on Early Growth and Yield of California Medium-Grain Rice. In Proceedings of the 37th Rice Technical Working Group. Long Beach, CA. 19-22 February 2018.
  • De Leon, T; Andaya, C; Andaya, V; McKenzie, K; Al-Khatib, K; Espino, L; Blank, T; Mutters, R; Leinfelder-Miles, M; Linquist, B; Brim-DeForest, W (2018). Genetic Characterization of California Weedy Rice Reveals Multiple Possible Origins. In Proceedings of the 37th Rice Technical Working Group. Long Beach, CA. 19-22 February 2018.
  • De Leon, T; Andaya, C; Andaya, V; McKenzie, K; Al-Khatib, K; Espino, L; Blank, T; Mutters, RG; Leinfelder-Miles, M; Linquist, BA; Brim-DeForest, WB (2018). Genomewide Characterization of California Weedy Red Rice Reveals Multiple Possible Origins. In Proceedings of Weed Science Society of America Annual Conference. Arlington, VA. 29 January - 1 February, 2018.
  • Brim-DeForest, W (2018). It's that time again: Collect Weed Seeds for Herbicide Resistance Testing! UC Rice Blog. August 15, 2018.
  • De Leon, T; Al-Khatib, K; Blank, T; Espino, L; Mutters, RG; Leinfelder-Miles, M; Linquist, BA; Brim-DeForest, WB (2018). Morphological and Physiological Characterization of California Weedy Rice. In Proceedings of Weed Science Society of America Annual Conference. Arlington, VA. 29 January - 1 February, 2018.
  • Brim-DeForest, W (2018). New Watergrass Species: be on the lookout for this weed! UC Rice Blog. August 13, 2018.
  • Brim-DeForest, W (2018). New Watergrass species: be on the lookout! Rice Notes Newsletter. August.
  • Brim-DeForest, W (2018). RezFree Application in Rice. Report to RezFree, Inc.
  • Espino, L; Brim-DeForest, W (2018). Rice Disease Research and Management. Report to California Rice Research Board.
  • Brim-DeForest, W (2018). Suntton Agriculture Brassinolide and Rice Herbicide Tank Mix Study. Report to Suntton Ag, Inc.
  • Brim-DeForest, W (2018). Suntton Agriculture Brassinolide Timing Study. Report to Suntton Ag, Inc.
  • Brim-DeForest, W; De Leon, T; Al-Khatib, K (2018). Susceptibility of California Weedy Rice to Herbicides. In Proceedings of Weed Science Society of America Annual Conference. Arlington, VA. 29 January - 1 February, 2018.
  • Brim-DeForest, W (2018). Testing for Suspected Herbicide Resistance: It's that time of year again! Rice Notes Newsletter. August.
  • De Leon, T; Al-Khatib, K; Blank, T; Espino, L; Mutters, R; Leinfelder-Miles, M; Linquist, B; Brim-DeForest, W (2018). Weedy or Not? Phenotypic Characterization of California Weedy Red Rice. In Proceedings of the 37th Rice Technical Working Group. Long Beach, CA. 19-22 February 2018.
  • Espino, L; Brim-DeForest, W; Al-Khatib, K; Blank, T; De Leon, T (2018). Weedy Rice in California: Addressing an Emerging Pest through Outreach and Research. In Proceedings of the 37th Rice Technical Working Group. Long Beach, CA. 19-22 February 2018.
  • Espino, L; Brim-DeForest, W; Johnson, T (2018). Weedy rice in California: Addressing an emerging pest through research and outreach. CAPCA Adviser. 11:4. August.
  • Brim-DeForest, W; Espino, L; Linquist, B; Leinfelder-Miles, M; Mutters, RG; Al-Khatib, K (2018). Weedy Rice in California: Lessons Learned in Research and Extension. In Proceedings of Weed Science Society of America Annual Conference. Arlington, VA. 29 January - 1 February, 2018.
  • Brim-DeForest, W (2017). Butte Registration Approved for 2017 Rice Season. UC Rice Blog. April 25, 2017.
  • Brim-DeForest, W; Godar, A; Al-Khatib, K (2017). Community Participation in Herbicide Resistance Surveying: A Case Study in California Rice. In Proceedings of Weed Science Society of America Annual Conference. Tucson, AZ. 6-9 February, 2017.
  • Brim-DeForest, W (2017). Draft a plan for early season control of late watergrass. Rice Farming. 51:4. March.
  • Godar, A; Brim-DeForest, W; Al-Khatib, K (2017). Efficacy and crop tolerance of Butte herbicide (benzobicyclon + halosulfuron-methyl) on California water-seeded rice. In Proceedings of Weed Science Society of America Annual Conference. Tucson, AZ. 6-9 February, 2017.
  • De Leon, T; Andaya, C; Andaya, V; Sanchez, P; McKenzie, K; Al-Khatib, K; Espino, L; Blank, T; Mutters, R; Leinfelder-Miles, M (2017). Genetic Characterization of Weedy Rice in California. In Rice Field Day, Biggs, CA. Rice Experiment Station, Biggs. 30 August 2017.
  • Brim-DeForest, W (2017). How Does Herbicide Resistance Evolve? An Illustrated Guide. Rice Notes Newsletter. April.
  • Brim-DeForest, W (2017). How to Select a Follow-Up Herbicide. Rice Notes Newsletter. June.
  • De Leon, T; Al-Khatib, K; Espino, L; Blank, T; Mutters, R; Leinfelder-Miles, M; Linquist, B; Godar, A; Brim-DeForest, W (2017). Key Phenotypic Traits of Weedy Rice in California. In Rice Field Day, Biggs, CA. Rice Experiment Station, Biggs. 30 August 2017.
  • Linquist, B; Espino, L; Brim-DeForest, W; Al-Khatib, K (2017). Managing rice in a late planted year. Rice Notes Newsletter. April.
  • Brim-DeForest, W (2017). Planning an herbicide program in rice: dealing with herbicide resistance. Applicator Alerts. 2:3. September.
  • Brim-DeForest, W; Espino, L; Mutters, R (2017). Rice in California: A look back at the past 50 years. Rice Farming. 51:3. February.
  • Brim-DeForest, W (2017). Some Weeds Ahead of Rice This Year. UC Rice Blog. June 22, 2017.
  • Brim-DeForest, W (2017). Time for Weedy Rice Scouting! Rice Notes Newsletter. August.
  • Brim-DeForest, W (2017). Top-Dressing Fertilizers in Wild Rice. Report to Lundberg Family Farms, Inc.
  • Brim-DeForest, W (2017). Using Pendamethalin in Dry-Seeded California Rice. UC Rice Blog. July 12, 2017.
  • Al-Khatib, K; Godar, A; Ceseski, A; McCauley, K; Galla, M; Linquist, B; Brim-DeForest, W; Leinfelder-Miles, M (2017). Weed Management in Rice. 49th Annual Report, California Rice Research Board.
  • Brim-DeForest, W; Al-Khatib, K; Espino, L; Linquist, B; Mutters, RG; Leinfelder-Miles, M (2017). Weedy Rice. Report to California Rice Research Board.
  • Brim-DeForest, W (2017). Weedy Rice in California: An Overview. Progressive Crop Consultant. 2:6. November/December.
  • Brim-DeForest, W; Espino, L; Blank, T; De Leon, T (2017). Weedy Rice Update 2017. Rice Notes Newsletter. November.
  • Brim-DeForest, W; Espino, L; Blank, T; De Leon, T (2017). Weedy Rice Update 2017. UC Rice Blog. November 14, 2017.
  • Brim-DeForest, W (2016). 1st Annual Rice Weed Course Results: can we correctly identify rice field weeds? Rice Notes Newsletter. November.
  • Andaya, CB; Yeltatzie, G; Sanchez, PL; Hettinger, A; Brim-DeForest, W; McKenzie, K; Andaya, VC (2016). DNA Marker Profile and Morphological Characterization of Red Rice Samples Collected in California. In Rice Field Day, Biggs, CA. Rice Experiment Station, Biggs. 31 August 2016.
  • Brim-DeForest, W; Espino, L (2016). Emerging Weed Issues. Rice Notes Newsletter. July.
  • Brim-DeForest, W (2016). Meet the New Rice Advisor in Sutter, Yuba, Placer, and Sacraento Counties. Rice Notes Newsletter. July.
  • Brim-DeForest, W; Godar, A; Al-Khatib, K (2016). Resistant Weed Seed Testing: A Free Service to California Rice Growers. In Rice Field Day, Biggs, CA. Rice Experiment Station, Biggs. 31 August 2016.
  • Brim-DeForest, WB; Al-Khatib, K; Godar, A (2016). Testing for Suspected Herbicide Resistance. Rice Notes Newsletter. July.
  • Brim-DeForest, WB; Al-Khatib, K; Fischer, AJ (2016). Weed community dynamics and agronomic productivity in alternative irrigation systems in California rice. California Weed Science Society.
  • Al-Khatib, K; Godar, A; A, Ceseski; McCauley, K; Galla, M; Linquist, B; Brim-DeForest, W; Mutters, RG; Leinfelder-Miles, M (2016). Weed Management in Rice. 48th Annual Report, California Rice Research Board.
  • Brim-DeForest, W; Espino, L; Mutters, R; Linquist, B; Al-Khatib, K (2016). Weedy Red Rice in California: Identification and Best Management Practices. In Rice Field Day, Biggs, CA. Rice Experiment Station, Biggs. 31 August 2016.
  • Brim-DeForest, W (2016). Weedy rice in California: Where does it come from and what can we do about it? CAPCA Adviser. 14:5. October.
  • Brim-DeForest, W (2016). Weedy Rice Update. Rice Notes Newsletter. November.
  • Brim-DeForest, W; Hettinger, A; Padgett, E (2016). Winged Water Primrose (Ludwigia decurens): identification and control in Butte County. In Rice Field Day, Biggs, CA. Rice Experiment Station, Biggs. 31 August 2016.
  • Brim-DeForest, W; Linquist, B; Fischer, AJ (2015). Weed emergence and population dynamics in alternative irrigation systems. In Proceedings of the 17th Symposium European Weed Research Society.

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