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Kiersten Wise


ID-230

Blackpatch of Forage Legumes: Cause of Slaframine Toxicosis or "Slobbers" in Animals

3/5/2021 (major revision)
Authors: Michelle Arnold, Shane Bogle, Bob Coleman, Ray Smith, Kiersten Wise

Blackpatch is an important fungal disease of forage legumes in Kentucky. A metabolite produced by the fungus can result in slaframine toxicosis or "slobbers" in many animals. The fungal disease was first reported in Kentucky in 1933 on red clover. Most Extension literature associates blackpatch and slaframine with red clover, which is very susceptible to the disease. However, many forage legumes including alfalfa can be infected by the causal fungus.

Departments: Animal and Food Sciences, Caldwell County, Plant and Soil Sciences, Plant Pathology, Veterinary Science
Series: Interdepartmental (ID series)
Tags: horses, nutrition and health
Size: 700 kb
Pages: 3



PPA-50

Drone Fungicide Applications in Corn

3/5/2021 (new)
Authors: Ricky Arnett, Pat Hardesty, Nick Roy, Kiersten Wise

Drone technology has improved in recent years and has also become more accessible. In Kentucky, commercial drone fungicide application is now an option in several areas. Drones specifically designed to apply products can potentially be used to apply fungicide in fields that are not accessible to other aircraft. This publication describes experiments to determine if drone fungicide applications can reduce foliar diseases in corn and discusses factors to consider when using drone technology to apply fungicides.

Departments: Adair County, Green County, Plant Pathology, Taylor County
Series: Plant Pathology (PPA series)
Tags: corn, farm crops, grain crops, plant diseases, production practices
Size: 300 kb
Pages: 2



ID-268

Kentucky Grain Crop Production at a Glance

1/13/2021 (new)
Authors: Carl Bradley, John Grove, Carrie Knott, Chad Lee, Travis Legleiter, Sam McNeill, Edwin Ritchey, Raul Villanueva, Kiersten Wise

A quick resource on grain crop production.

Departments: Biosystems and Agricultural Engineering, Entomology, Plant and Soil Sciences, Plant Pathology
Series: Interdepartmental (ID series)
Tags: corn, farm crops, grain crops, small grains, soybeans
Size: 370 kb
Pages: 8



ID-268P

Kentucky Grain Crop Production at a Glance (poster)

1/13/2021 (new)
Authors: Carl Bradley, John Grove, Carrie Knott, Chad Lee, Travis Legleiter, Sam McNeill, Edwin Ritchey, Raul Villanueva, Kiersten Wise

A quick resource on grain crop production. NOTE: This poster is 25 x 38 inches. ID-268 is the booklet-sized version.

Departments: Biosystems and Agricultural Engineering, Entomology, Plant and Soil Sciences, Plant Pathology
Series: Interdepartmental (ID series)
Tags: corn, farm crops, grain crops, small grains, soybeans
Size: 191 kb
Pages: 1



PPFS-AG-C-9

Curvularia Leaf Spot

7/1/2019 (new)
Authors: Nolan Anderson, Carl Bradley, Kelsey Mehl, Kiersten Wise

Curvularia leaf spot is a corn disease that was reported for the first time in the United States in Louisiana in 2017, and was confirmed in Kentucky in 2018. While the impact of Curvularia leaf spot in Kentucky is not yet known, this disease causes yield loss in tropical areas, and is considered to be one of the most important diseases of corn in China. This publication describes the symptoms and cause of disease, conditions that favor disease development, and foliar diseases that have similar symptoms.

Departments: Plant Pathology
Series: Corn Disease: Plant Pathology Factsheet (PPFS-AG-C series)
Tags: plant diseases
Size: 1.78 mb
Pages: 3



PPFS-AG-C-8

Diplodia Leaf Streak

9/1/2018 (new)
Authors: Nolan Anderson, Carl Bradley, Kelsey Mehl, Kiersten Wise

Diplodia leaf streak of corn is a disease that has become more prevalent in Kentucky in recent years. It is commonly observed in fields in western Kentucky and is easily confused with other corn foliar diseases. Small, round, dark brown-to-tan lesions are first observed on leaves. Dark concentric rings may be observed in the center of early lesions at the infection site on the leaf. These lesions expand lengthwise in long streaks from the infection point and form elongated elliptical lesions. In severe cases, lesions can coalesce to blight large areas of affected leaves.

Departments: Plant Pathology
Series: Corn Disease: Plant Pathology Factsheet (PPFS-AG-C series)
Tags: plant diseases
Size: mb
Pages: 3



ID-249

A Comprehensive Guide to Soybean Management in Kentucky

6/7/2018 (new)
Authors: Ric Bessin, Carl Bradley, J.D. Green, John Grove, Greg Halich, Erin Haramoto, Carrie Knott, Chad Lee, Travis Legleiter, Josh McGrath, Sam McNeill, Javier Reyes, Edwin Ritchey, Montse Salmeron, Jordan Shockley, Claire Venard, Raul Villanueva, Ole Wendroth, Kiersten Wise, Xi Zhang

This publication provides information on soybean growth and development, principles of variety selection, and management practices to maximize soybean profitability in Kentucky.

Departments: Agricultural Economics, Biosystems and Agricultural Engineering, Entomology, Plant and Soil Sciences, Plant Pathology
Series: Interdepartmental (ID series)
Tags: farm crops, grain crops, soybeans
Size: 38.99 mb
Pages: 84



PPFS-AG-F-10

Possible Causes of Yellowing Alfalfa

2/16/2018 (new)
Authors: Chris Teutsch, Paul Vincelli, Kiersten Wise

During spring, several leaf spotting diseases--including Leptosphaerulina (Lepto) leaf spot and spring black stem/leaf spot--are common in alfalfa. Leaf spotting diseases result in distinct round to elongated spots that sometimes have a dark margin. Very wet weather in spring and early summer favor activity of leaf spotting diseases in first and second cuttings. Wet and humid weather during summer favor other leaf spotting and blighting diseases. All leaf spots and blights weaken plants, but alfalfa often outgrows the damage in later cuttings. Maintain a regular cutting schedule, cutting at 30- to 35-day intervals.

Departments: Plant and Soil Sciences, Plant Pathology
Series: Forage Disease: Plant Pathology Factsheet (PPFS-AG-F series)
Tags: cover and forage crops, farm crops, legumes, plant diseases
Size: 754 kb
Pages: 4



PPFS-AG-C-7

Physoderma Brown Spot

2/1/2018 (new)
Authors: Carl Bradley, Brenda Kennedy, Kelsey Mehl, Kiersten Wise

Physoderma brown spot can be a striking foliar disease that is periodically observed in field corn in Kentucky. This publication describes the symptoms and cause of disease, conditions that favor disease development, and options for disease management.

Departments: Plant Pathology
Series: Corn Disease: Plant Pathology Factsheet (PPFS-AG-C series)
Tags: corn, farm crops, grain crops, plant diseases, vegetables
Size: 743 kb
Pages: 2



PPFS-AG-C-5

Diplodia Ear Rot

10/11/2017 (new)
Authors: Carl Bradley, Kelsey Mehl, Kiersten Wise

Diplodia ear rot can reduce yield and grain quality by damaging kernels, lowering grain test weight, and reducing grain fill. Incidence of affected ears in the field can vary from 1% or 2% to as high as 80%. Although mycotoxins have been associated with Diplodia ear rot in South America and South Africa, there have been no reports of livestock feeding issues due to mycotoxins linked to Diplodia ear rot in the United States.

Departments: Plant Pathology
Series: Corn Disease: Plant Pathology Factsheet (PPFS-AG-C series)
Tags: corn, farm crops, grain crops, plant diseases, production practices
Size: 990 kb
Pages: 3



PPFS-AG-C-6

Holcus Leaf Spot

10/11/2017 (new)
Authors: Carl Bradley, Kelsey Mehl, Kiersten Wise

Holcus leaf spot, a bacterial disease, can be seen sporadically in Kentucky cornfields, and it is challenging to diagnose. This publication describes the disease symptoms, conditions that favor disease, and how to distinguish holcus spot from herbicide injury that can mimic this disease.

Departments: Plant Pathology
Series: Corn Disease: Plant Pathology Factsheet (PPFS-AG-C series)
Tags: corn, farm crops, grain crops, plant diseases, production practices
Size: 889 kb
Pages: 3