Assistant Professor of Cooperative Extension Specialist: Greenhouse and Nursery pathology
UC Davis
Joined April 2010
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🌱 The UCNFA Summer 2025 issue is here!
🔬 Highlights:
Disease diagnostics in ornamentals
Phytophthora & powdery mildew updates
Scouting tips & slow sand filtration
AIR program for Phytophthora-free plants
👉 Read more: ucnfa.ucdavis.edu/news/ucnfa…
🌱 Help protect CA’s native ecosystems!
The AIR Program at UC Davis helps nurseries grow Phytophthora-free plants for habitat restoration.
Your support funds audits, diagnostics & research.
Let’s restore with confidence! 💚
🔗 [airnursery.ucdavis.edu/donat…]
#PlantHealth #Phytophthora
Are you concerned about the impact of Phytophthora on habitat restoration efforts? Join us next Thursday May 22nd at UC Davis for an informative workshop for the nursery industry airnursery.ucdavis.edu/event…
We have a post-doctoral research position opened in the Del Castillo lab. Check out details at: lnkd.in/gypRqtsf. Application deadline: March 21.
I was thrilled to present the work I’m currently doing at my Alma mater! It was very exciting to see the students were engaged!
The Del Castillo Lab is hiring a Lab Assistant, to help us during this spring season! If you are interested in conducting applied research to solve agricultural challenges in greenhouse and nursery grown crops you should apply! greenhousepathology.faculty.…
Johanna Del Castillo retweeted
Learn the 5 common mistakes w/ irrigation management in nurseries & greenhouses in UC Nursery & Floriculture Alliance's fall newsletter ft. articles on balancing water recycling & plant health, pH in liquid feed, @ISHB_update + more! shorturl.at/mlvj2
@ucanr @Johadelcpp
The latest UCNFA Newsletter is out! I am excited to lead the publication of this newsletter with resources for the nursery industry. This issue covers irrigation management topics and some other aspects relevant to nursery production. Enjoy the read! ucnfa.ucdavis.edu/ucnfa-news…
Excited to get to work on improving Botrytis management in California and Michigan! with @Tmiles_MSU and @RachelNaegele nifa.usda.gov/about-nifa/ann…
Thanks to @IPMWest for highlighting the work we are doing at characterizing Botrytis populations and evaluating their fungicide resistance aiming to develop improved IPM in CA westernipm.org/index.cfm/ipm…
Johanna Del Castillo retweeted
A postdoctoral position is available again! Seeking an individual who can start ASAP in the US to work on Cotton foliar pathogen diagnostics/disease modeling shorturl.at/mEb4s The Previous candidate is no longer able to join. Questions [email protected] #PlantHealth2024
Johanna Del Castillo retweeted
Another favorite #PlantHealth2024 event: Colombians in @plantdisease breakfast! 🇨🇴🇨🇴🇨🇴 #CienciaColombia @APS_OIP @cahuparo @MPrietoTorres @KellyJAvilaM @Carlomatrax @xocolatl_vrr @EpiPlantPath @NataliaPieros @CristianOlayaA @Johadelcpp @maherreraco
Johanna Del Castillo retweeted
DPR awards $2.6M in grant funding to accelerate adoption of safe, effective and sustainable pest management in California. Learn more: cdpr.ca.gov/docs/pressrls/20…
ALT DPR logo
With a new cohort of @ucnfa members we are revamping the UCNFA Newsletter! In this first issue since 2018, we introduce all new UCNFA members and invite all the greenhouse and nursery industry in California to get to know our new team. @ucanr ucnfa.ucdavis.edu/news/ucnfa…
