Riverside County

Newsletters

  1. Waisen, P., Nguyen, H.C, Lofton, E., Bachie, O., Montazar, A., and Resendiz, A. 2025. Environmental DNA analysis revealed cover cropping in the low desert increased microbial activity and improved nutrient cycling and okra crop yield. Imperial Agricultural Briefs 28(3):62-68. (Access)
  2. Waisen, P. 2025. Efficacy of reduced-risk nematicide on root-knot nematodes on cantaloupes in low desert growing conditions. Imperial Agricultural Briefs 28(1):15-19. (Access)
  3. Lutgen, H., Baldos, O., Waisen, P., DeFrank, J. 2024. Evaluation of Physical Barriers to Suppress Purple Nutsedge (Cyperus rotundus) in Landscape Beds in Maui, Hawai'i. College of Tropical Agriculture and Human Resources, University of Hawaii at Manoa (Access).
  4. Waisen, P. 2024. Nematode community and plant growth response to root leachate treatments on fruiting vegetables in low desert of California. Abstract. National Association of County Agricultural Agents Annual Meeting. Dallas, TX, July 14-18. (Access)
  5. Waisen, P. 2024. Nematode community and plant growth response to root leachate treatments on fruiting vegetables in low desert of California. National Association of County Agricultural Agents Annual Meeting, Dallas, TX, July 14-18 (Access)
  6. Waisen, P., Nguyen, H.C., Mosase, E., Bachie, O., Montazar, A., and Resendiz, A. 2024. Pre-Plant Benefits of Summer Cover Crops in Low Desert Vegetable Production. Imperial Agricultural Briefs 27(8):98-105. (Access)
  7. Waisen, P., Nguyen, H.C, Mosase, E., Bachie, O., Montazar, A., and Resendiz, A. 2024. Pre-Plant Benefits of Summer Cover Crops in Low Desert Vegetable Production. Imperial Agricultural Briefs 27(8):98-105. (Access)
  8. Olmedo-Velarde, A; Shakhzadyan, H; West-Ortiz, M; Norton, R; Rethwisch, M; Waisen, P; Wilson, B; Heck, M. 2024. Redefinition of cotton leafroll dwarf virus as an emerging, possibly endemic virus in the United States. Abstract. American Phytopathological Society Annual Meeting. Memphis, TN, July 27-30. (Access)
  9. Waisen, P. 2024. Root leachate treatment increased beneficial nematodes and improved plant growth – a potential organic option for growers in low desert. Imperial Agricultural Briefs 27(3):33-37 (Access)
  10. Waisen, P. 2023. Effects of Reduced-Risk Nematicides on Target and Non-Target Nematodes In Low Desert Vegetable Cropping System. Abstract. National Association of County Agricultural Agents Annual Meeting, Des Moines, IA, August 13-17 (Access)
  11. Waisen, P. 2023. Effects of reduced-risk selective nematicides on target and non-target nematodes in low desert vegetable production systems – Final report. Imperial Agricultural Briefs 26(1):133-137. (Access)
  12. Waisen, P. 2023. Efficacy of Senstar® on green peach aphid (Myzus persicae) on lettuce in Coachella Valley. Imperial Agricultural Briefs 26(4):58-61. (Access)
  13. Wang, K-H., Paudel, R., Marquez, J., Waisen, P. 2023. Nematode linkage to regenerative agriculture in the tropics/subtropics. Abstract. Journal of Nematology. 55(1):125. (Access)
  14. Waisen, P. 2023. Response of the nematode community to reduced-risk nematicides in low desert vegetable cropping systems. Abstract. Journal of Nematology 55(1):123. (Access)
  15. Waisen, P. and Resendiz, A. 2023. Root leachate and reduced-risk nematicide treatments affected melon plant growth parameters in low desert growing conditions. Imperial Agricultural Briefs 26(6):83-87. (Access)
  16. Waisen, P. 2023. Soil health and nematode response to integrating Sudan grass rotation and reduced-risk nematicides on carrots in southern desert valleys of California. Abstract. National Association of County Agricultural Agents Meeting, Des Moines, IA. August 13-17, 2023 (Access)
  17. Waisen, P. 2023. Soil health and nematode response to integrating Sudan grass rotation with reduced-risk nematicides on carrot in Imperial Valley – A progress report. Imperial Agricultural Briefs 26(3):39-43. (Access)
  18. Waisen, P. 2022. Post-harvest nematicide treatment and tillage showed promise in reducing the initial root-knot nematode population on bell pepper. Imperial Agricultural Briefs 25(7):107-111. (Access)
  19. Waisen, P., and Rethwisch, M. 2022. Root-knot nematode (Meloidogyne spp.) distribution in weedy fallow and in-season okra fields. Imperial Agricultural Briefs 25(6):93-97 (Access)
  20. Waisen, P. 2022. Vegetable planting and harvesting guide for the Coachella Valley. Imperial Agricultural Briefs 25(6):100-102 (Access)