Dr. Jason Oliver at the TSU Otis Floyd Nursery Research Center in McMinnville alerted us that they had caught a single granulate ambrosia beetle adult and two black stem borers in their ethyl alcohol baited trap when it was checked on Wednesday, March 18. As spring approaches, so too do the emergence of these pests as temperatures at or above 70 degrees F are conducive for ambrosia beetle activity. They primarily attack trees that are stressed and dormant, which many plants, especially if they were not irrigated last August through October could have been damaged by the flash drought. Often, these plants will not show signs of stress because of their dormancy. The granulate ambrosia beetle is an invasive pest from…
Dr. Zachariah Hansen, Assistant Professor and Extension Specialist, has recently published two management guides for common pumpkin diseases and Strawberry Anthracnose in Tennessee. Here are the links to both: Pumpkin Diseases Strawberry Anthracnose Be sure to check them out!
National Pollinator Week is a time to celebrate pollinators of all types and to spread the word about what you can do to protect them. Check out the podcast by Dr. Jennifer Tsuruda, Assistant Professor and Extension Apiculturist in the Department of Entomology and Plant Pathology at the University of Tennessee where she discusses honey bee pollination.
Dr. Zach Hansen published an article in the November 2018 National Plant Diagnostic Network newsletter. Grapevine leaf rust was observed for the first time in Tennessee in September 2018. The disease was found on grape seedlings at large box stores in several counties in middle and east Tennessee. Dr. Hansen suggests that growers, industry professionals, diagnosticians and extension personnel should be aware of the disease and should be on the lookout for it. For the full article, click here.
Dr. Frank Hale, Alan Windham, and Mark Windham recently weighed in on the devastating effects of rose rosette disease in Knock Out roses in a recent article published in the Washington Post. See the full article here.
The Cookeville Rose Society and Cumberland County Master Gardeners took a twilight tour with Drs. Alan and Mark Windham through the rose rosette resistant trials at the Plateau Research and Education Center near Crossville, TN. While in the plots, they learned about how to recognize rose rosette, rose rosette management strategies, and research results concerning disease resistance. After the tour, everyone ate homemade ice cream while learning more about growing roses and how to control rose diseases and insect pests.
Frank Hale and Alan Windham attended UT Turf and Ornamental Field Day on Thursday at the Plant Science farm on Alcoa. They averaged 50 persons for each of four presentations, which covered new and noteworthy insect pests and diseases such as emerald ash borer, boxwood blight, rose rosette and others. Over 500 turf and grounds maintenance professionals attended the field day.
Frank Hale and Alan Windham updated horticultural pesticide dealers from the Eastern U.S.A. on current topics in ornamental entomology and plant pathology, June 5th and 6th at the Indigo Hotel in Nashville. Companies represented in the training included: BASF, Southern AG, Helena, BWI, BFG, Winfield
EPP graduate students Clay Perkins and Scott Graham recently published a paper entitled “Grasshoppers in Soybean.” The full article can be found here.