Recent Posts
-
Azalea bark scale (ABS, Eriococcus azalea, Figure 1) poses a serious threat to azaleas, rhododendron, and Pieris (Andromedas) in Georgia. ABS is a soft scale insect; unlike armored scale insects, the nymph and female soft scales secrete a protective coating of waxy crust on their body that cannot be separated from the scale insect. ABS also…
Posted in: Ornamental pests -
The Joro spider, Trichonephila clavata, (Fig. 1) is a native of Japan and east Asia that was first documented in the US in 2014 in NE Georgia (Fig. 2). The initial infestation was centered around Braselton and Hochton, GA along I-85. By 2022 the spiders had spread about 75 miles in all directions from that…
Posted in: Ornamentals -
We are witnessing outbreak populations of fall armyworm (Spodoptera frugiperda) in residential, and public lawns across Georgia at this moment (as of 30 Aug. 2021). The caterpillar stages of fall armyworm feed on the turfgrass leaf blades and stems. The turfgrass can go from a perfect green to complete brown within 2 to 3 days.…
Posted in: Turfgrass insect pest -
1. Time to scout for gray leaf spot Gray leaf spot is a fungus disease that affects St. Augustinegrass, perennial ryegrass and tall fescue in Georgia. Hot humid summer weather and high nitrogen levels can make turf susceptible to this disease. The fungus causing the disease is Pyricularia oryzae (Magnaporthe oryzae). Symptoms: The symptoms of…
Posted in: Turfgrass insect pest -
Hunting billbug, Sphenophorous venatus vestitus (Family: Curculionidae) (Figure 1) is one of the important weevil pests of turfgrass in Georgia. It is called a billbug because of its long snout or “bill” which has small mandibles at the tip. Hunting billbug infestations in turfgrass are not easily detected until the first signs of feeding damage…
Posted in: Turfgrass insect pest -
University of Georgia is offering online, live program that will allow green industry professionals to receive world-class training while at their home or office. Logging on, watching a live presentation, and then going back to work (all while receiving CEUs) is just a few mouse clicks away. Watch as a single person in a single…
Posted in: Turfgrass insect pest -
Green industry webinars are targeted to turfgrass and ornamental industry. These webinars update the industry with current information in pest (insect, pathogen and weeds) management, cultural practices, etc., as well as offers CEUs in GA, SC and TN . The upcoming webinars are below: September 18, 2019, Wednesday Multi-spectral Imaging using Unmanned Aerial Vehicles for…
Posted in: Turfgrass insect pest -
Gray leaf spot on St. Augustinegrass Gray leaf spot is active and causing epidemics St. Augustinegrass. The fungus Pyricularia grisea also affects perennial ryegrass and tall fescue in Georgia. However, the disease is particularly aggressive in St Augustinegrass. Hot humid summer weather and high nitrogen levels can make turf susceptible to this disease. On St.…
Posted in: Turfgrass disease -
Scale insects are very common pests of landscape trees and shrubs, yet are often overlooked when scouting. They can, however, be responsible for chlorosis, branch die-back or ultimately death of the plant. Scales are broadly categories as soft and armored scales. Soft scales produce soft, cottony, powdery or waxy substance that cannot be separated…
Posted in: Ornamental pests -
Introduction The succinate dehydrogenase inhibitor (SDHI) fungicide class is the fastest growing in terms of new compounds produced and launched into the fungicide market in turfgrass and in agriculture in general. This fungicide class, which inhibits the complex II of fungal respiration, is not new and was originally called carboxamide fungicides. The earliest compound in…
Posted in: Turfgrass disease