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…
Monthly Archives: July 2019
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
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
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
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 Northern leaf blight and common rust on corn; Rhizoctonia…
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
Corn Disease Update
Time for foliar fungicide application decisions in corn Corn is moving through growth stages quickly, and the warm, humid weather in many parts of Kentucky has been conducive for foliar disease development. Fungicides are commonly promoted to reduce the impact…
Posted in Grains
Vegetable Diseases to Scout for: Anthracnose of Cucurbits
Due to recent weather conditions and frequent pop-up thunderstorms, cucumber, cantaloupe, and watermelon growers in Kentucky should be aiming to manage anthracnose. Prevention, early identification, and management will help reduce plant losses. Here are the symptoms to look for, preventative…
Posted in Vegetables
Vegetable Diseases to Scout for: Cucurbit Powdery Mildew
Early reports of powdery mildew on cucurbit crops are beginning to come in from KY locations this week, so systemic fungicides should be incorporated into spray programs now for most effective disease management. Powdery mildew is a common disease of…
Posted in Vegetables
Kentucky Pest News 