RT @OkstatePestEd: PSI upcoming Test dates available for Lawton. #okstate #extension #pested

New publication on bacterial spot of tomato from the Lab highlights:.1. Rapid population changes in successive seasons.2. A new bacterial species which we have named Xanthomonas oklahomensis.3. Variable sensitivities to copper bactericide.

What do you want to know?.

RT @alabamaED: TOMATO TUESDAY: Bacterial wilt of tomato caused by Ralstonia solanacearum. The disease is favored by hot temperatures & wet….

Many cucurbit (watermelon, pumpkin, summer squash, winter squash, cantaloupe, and most other melon) growers are reporting squash bugs at economical injury levels on their farms. For more information on this problem and how to manage it, please see

Memorable meeting in Hawaii. Great talks and connections for potential collaborations. #PlantHealth2025

If you are in Hawaii, join us at our presentations. Many thanks to the all those who contributed to the presentations from our Lab. #PlantHealth2025

For the second year running, our Lab participated in the annual 4H Round Up. Our workshop focused on "Becoming a Plant Detective ". great presentations from all Lab members.

The APPB Research Symposium in Chicago. Learning and interacting with everyone.

PlantHealth2025#. Congratulations to PhD Student in the Lab, Usman Rabiu who got the E.S. Saari Student Travel Fund. He will be giving an oral presentation on his effector-informed drug discovery work and a poster presentation on pecan disease characterization.

First look: Thanks to Dr. Chen Jianchi (USDA, California) for the collaboration. First report of Xylella fastidiosa subsp. multiplex associated with bacterial leaf scorch on American elderberry (Sambucus canadensis L.) in Oklahoma | Plant Disease

Grateful to APS @PlantDiseaseJ for awarding me the 2025 Dr. ​​Lafayette Frederick Diversity in Mentoring Award. Last week, with support from the fund that comes with the award, we welcomed Daviona Jackson, recent Langston University graduate, as an intern in the Lab.

An update on berry splitting in grape clusters observed in some vineyards recently.

Getting ready for the OPGA Annual Convention in Glenpool. "Three days of learning, networking and fun". Our Lab involvement: Introducing a "new" pecan problem, Progress on the Southern IPM Pecan PIPE website and statewide disease survey . Registration:

Next week on Advances in Phytobacteriology, @NWangUF will talk on "Citrus Huanglongbing is a Pathogen-Triggered Immune Disease and CRISPR Genome Editing in Improving Disease Resistance".Register here:

RT @PlantDiseaseJ: Editor’s Pick! Copper failing against bacterial spot in Florida tomatoes? Ketsira Pierre et al. show that two small mole….

Plants take "drips" too: setting our fungicide tree injection trials for disease control.

Last year, we began a statewide program to survey and characterize pecan diseases in Oklahoma. As part of his studies, Usman Rabiu Bello, led a Pecan South article to detail progress and expectations. To read more : (subscription required).

Last week, the Lab received its first student award. And it was to none other than the first student in the Lab. For helping to revive the Entomology and Plant Pathology Graduate Student Association and helping other students, Tanner Dollar received the "Helping Hand" award.

Pecan bunch disease. earlier this week in Tulsa.

All set for the 2025 OSU Pecan Workshop in Shawnee. @beckyleecarroll