Blossom end rot is a physiological disorder common to many fruiting vegetable crops, especially tomatoes and peppers. Cucurbits, like cucumber, squash, and watermelon, can also be affected. Abiotic diseases are caused by non-living components, which in the case of blossom…
Monthly Archives: July 2019
Plant Disease Diagnostic Lab Highlights
The following plant disease highlights have been compiled from samples submitted to the University of Kentucky Plant Disease Diagnostic Laboratories from July 2-8, 2019. Diagnostic samples of agronomic crops have included common rust, southern rust, Diplodia leaf streak, gray leaf…
Posted in Plant Disease Diagnostic Lab
2019 Insect Trap Counts
Trap counts for major insect pests are provided by the Kentucky IPM Program. Traps are located at the UK Research and Education Center in western Kentucky and the UK Spindletop Farm in Lexington. Below are trap counts for the current…
Posted in Insect Trap Counts
Powdery Mildew of Hemp
Powdery mildew can affect numerous plants, including fruit, vegetable, and agronomic crops, as well as woody and herbaceous ornamentals. Kentucky hemp is also susceptible to this disease. Plants infected early in the season can be seriously damaged, while those affected…
Posted in Hemp
Hemp and Pesticides
Two weeks ago, the Kentucky Department of Agriculture (KDA) posted their statement on Kentucky hemp and pesticides here . With this notification, the KDA listed criteria required in order for a pesticide to be available for use on hemp. A…
Posted in Hemp, Pesticide Topics
Late Blight in Tomato
Late blight has been positively identified in eastern Tennessee and has the potential to affect tomato and potato crops in Kentucky. Under wet conditions, this disease can completely destroy an otherwise healthy planting in about 2 weeks. Leaf lesions begin as water-soaked…
Posted in Vegetables
Squash Bug Attacking Squash
Squash bug is one of the more difficult insects to control on vegetables. It is a common pest of squash, pumpkin, and zucchini. This bug extracts plant juices with its piercing-sucking mouthparts and potentially transmits the pathogen that causes yellow…
Posted in Vegetables
Millipede Invasions
Millipedes are common arthropods that provide a valuable service by breaking down organic materials, such as dead leaves and grass clippings, to recycle nutrients into the environment. But they can also become a nuisance when they gather by the thousands…
Posted in Household Pests
Tree Wounds—Invitations to Wood Decay Fungi (PPFS-OR-W-01)
Wood decay leads to loss of tree vigor and vitality, resulting in decline, dieback, and structural failure. Wounds play an important part in this process since they are the primary points of entry for decay pathogens. The UK Extension publication,…
Posted in Featured Pubs & Videos
Diagnosis of “No Disease”
Extension agents and growers may occasionally receive diagnostic reports from the University of Kentucky Plant Disease Diagnostic Laboratory that indicate, “no disease was found.” This may result from an insufficient sample and/or that the plant problem does not result from…
Posted in Plant Disease Diagnostic Lab
Plant Disease Diagnostic Lab Highlights
The following plant disease highlights have been compiled from samples submitted to the University of Kentucky Plant Disease Diagnostic Laboratories from July 2-8, 2019. Diagnostic samples of agronomic crops have included common rust, southern rust, northern leaf blight, Diplodia leaf…
Posted in Plant Disease Diagnostic Lab
2019 Insect Trap Counts
Trap counts for major insect pests are provided by the Kentucky IPM Program. Traps are located at the UK Research and Education Center in western Kentucky and the UK Spindletop Farm in Lexington. Below are trap counts for the current…
Posted in Insect Trap Counts
Foliar Fungicide Considerations for Soybean
Many soybean fields in Kentucky are approaching the R3 (beginning pod) developmental stage, which generally is a time to consider an application of a foliar fungicide to protect against foliar diseases. In areas of the state that have received frequent…
Posted in Grains
Sugarcane Aphid in Kentucky Sorghum
The sugarcane aphid (SCA) was spotted in Kentucky last week in Fayette and Monroe Counties on sweet sorghum. This invasive pest can cause up to 100% crop loss if left untreated on grain, forage, and sweet sorghum. SCA cannot survive…
Posted in Grains
Southern Blight of Hemp
In 2018, there were significant increases in confirmed cases of southern blight in hemp. The fungal disease affects a wide range of plant species, as well as hemp. When stems and roots become infected, plants can wilt, decline, and/or die,…
Posted in Hemp
