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weeds


AGR-6

Chemical Control of Weeds in Kentucky Grain Crops, 2020

11/7/2019 (major revision)
Authors: J.D. Green, Travis Legleiter

The use of herbicides suggested in this publication is based on research at the Kentucky Agricultural Experiment Station and elsewhere. We have given what we believe to be the most effective herbicides, with the most suitable rates and times of application. Smaller files are available here.

Departments: Plant and Soil Sciences
Series: Agronomy (AGR series)
Tags: corn, farm crops, grain crops, production practices, small grains, soybeans, weeds
Size: 2.25 mb
Pages: 140



ID-254

An IPM Scouting Guide for Common Problems of Grape in Kentucky

6/11/2019 (new)
Authors: Ric Bessin, Cheryl Kaiser, Matthew Springer, John Strang, Nicole Ward Gauthier, Patsy Wilson, Shawn Wright

Long before the term "sustainable" became a household word, farmers were implementing sustainable practices in the form of Integrated Pest Management (IPM) strategies. IPM uses a combination of biological, cultural, physical, and chemical methods to reduce and/or manage pathogen and pest populations. These strategies are used to minimize environmental risks, economic costs, and health hazards. Pathogens and pests are managed (although rarely eliminated entirely) to reduce their negative impact on the crop. Scouting and monitoring for diseases, insects, weeds, and abiotic disorders helps identify potential problems before serious losses result. This is essential to the IPM approach. The key to effective monitoring is accurate identification. The images included in this guide represent the more common abiotic and biotic problems that occur in Kentucky grape plantings.

Departments: Entomology, Forestry and Natural Resources, Horticulture, Plant Pathology
Series: Interdepartmental (ID series)
Tags: farm crops, fruits and nuts, insect pests, plant diseases, weeds
Size: 2.40 mb
Pages: 36



ID-251

An IPM Scouting Guide for Common Problems of Brambles in Kentucky

9/13/2018 (new)
Authors: Daniel Becker, Ric Bessin, Cheryl Kaiser, Matthew Springer, John Strang, Nicole Ward Gauthier, Shawn Wright

Long before the term "sustainable" became a household word, farmers were implementing sustainable practices in the form of Integrated Pest Management (IPM) strategies. IPM uses a combination of biological, cultural, physical, and chemical methods to reduce and/or manage pathogen and pest populations. These strategies are used to minimize environmental risks, economic costs, and health hazards. Pathogens and pests are managed (although rarely eliminated entirely) to reduce their negative impact on the crop. Scouting and monitoring for diseases, insects, weeds, and abiotic disorders helps identify potential problems before serious losses result. This is essential to the IPM approach. The key to effective monitoring is accurate identification. The images included in this guide represent the more common abiotic and biotic problems that occur in Kentucky blackberry and raspberry plantings.

Departments: Entomology, Forestry and Natural Resources, Horticulture, Mercer County, Plant Pathology
Series: Interdepartmental (ID series)
Tags: farm crops, fruits and nuts, insect pests, plant diseases, weeds
Size: 2.50 mb
Pages: 32



AGR-148

Weed Control in Alfalfa and Other Forage Legume Crops

4/23/2018 (major revision)
Authors: J.D. Green, Travis Legleiter

The importance of weed control in forage production should not be overlooked, especially when you consider the high investment associated with alfalfa and other legume forages. Weeds reduce forage yield by competing for water, sunlight, and nutrients. In addition to yield losses, weeds can also lower forage quality, increase the incidence of disease and insect problems, cause premature stand loss, and create harvesting problems. Some weeds are unpalatable to livestock or, in some cases, may be poisonous.

Departments: Plant and Soil Sciences
Series: Agronomy (AGR series)
Tags: cover and forage crops, farm crops, weeds
Size: 528 kb
Pages: 12



AGR-205

Weed Management: Kentucky Master Gardener Manual Chapter 20

1/22/2018 (minor revision)
Authors: J.D. Green

Every garden has weeds, and every gardener wonders what to do about them. Gardening involves lots of small decisions that can have a cumulative effect on those weed problems. This chapter will explore the origin of weeds, their adaptation and impact, and the techniques you can use to manage weeds in your landscape.

Departments: Plant and Soil Sciences
Series: Agronomy (AGR series)
Tags: garden and landscape, weeds
Size: 965 kb
Pages: 14



CCD-FS-4

Weed Management

5/12/2017 (new)
Authors: Matthew Ernst

Weed management is a major crop production concern in Kentucky. Weeds compete for crop nutrients, water, light, and space as well as harboring potential pests and diseases, resulting in poorer growth and lower yields, leading to lower financial returns for producers. Weed management is a long-term concern, as poor weed management during one season can result in higher weed seed populations germinating in subsequent years. Weed pressure can greatly increase annual weed management costs in commodity row crop production, creating financial pressure on producers, especially during periods of low prices. Weed management is also a major challenge for organic farming in Kentucky and surrounding states.

Departments: Agricultural Economics
Series: Factsheets: Center for Crop Diversification (CCD-FS series)
Tags: weeds
Size: 2.70 mb
Pages: 3



AGR-225

Turfgrass Weed Control for Professionals, 2017

1/19/2017 (new)
Authors: Gregg Munshaw

This newly expanded guide provides weed identification and control information that turfgrass professionals can use to develop effective weed control programs for golf courses, athletic fields, sod farms, lawns, and other turfgrass systems. The recommendations apply to the majority of the United States, with input from experts in Illinois, Indiana, Iowa, Kansas, Kentucky, Michigan, Minnesota, Missouri, Nebraska, New York, Ohio, and Wisconsin. Available for purchase from Purdue University.

Departments: Plant and Soil Sciences
Series: Agronomy (AGR series)
Tags: nursery and landscape, ornamental plants, turfgrass, weeds
Size: mb
Pages: 96



AGR-226

Identification and Control of Henbit and Purple Deadnettle

12/30/2016 (new)
Authors: Mike Barrett, Gregg Munshaw

Most of the winter annual broadleaf weeds are distinguishable from each other and thus fairly easy to key out or identify. However, there are two that show up each spring that often get people scratching their heads as to which is which---is it purple deadnettle? Or is it henbit? There are several similarities between these weeds---both are members of the mint family, both have square stems, both have sparsely hairy oval- to egg-shaped leaves, leaves of both are opposite, and both have small purple flowers that appear in the axils of the upper leaves during the spring.

Departments: Plant and Soil Sciences
Series: Agronomy (AGR series)
Tags: weeds
Size: 5.38 mb
Pages: 4



AGR-207

Broadleaf Weeds of Kentucky Pastures

2/4/2016 (reprinted)
Authors: J.D. Green, Bill Witt

A guide to the identification and control of broadleaf weeds in Kentucky pastures.

Departments: Plant and Soil Sciences
Series: Agronomy (AGR series)
Tags: cover and forage crops, farm crops, weeds
Size: 4.20 mb
Pages: 2



AGR-219

Practicing Good Stewardship When Applying Herbicides for Pasture Weed Control

5/14/2015 (new)
Authors: J.D. Green

Various methods and strategies can be used to combat weed problems in pasture fields. These include mechanical and cultural practices such as mowing or clipping fields, maintaining a good soil fertility program, grazing methods, and other management practices that promote the growth of desirable forage grasses which in turn compete against weeds. Herbicides can be the best alternative to effectively control several troublesome broadleaf weeds. However, it is important to understand the proper use of herbicides and practice good stewardship.

Departments: Plant and Soil Sciences
Series: Agronomy (AGR series)
Tags: weeds
Size: 190 kb
Pages: 2



AGR-218

Herbicide Recommendations for Weed Control in Kentucky Bluegrass and Tall Fescue Lawns for Professional Applicators

3/30/2015 (new)
Authors: Mike Barrett, J.D. Green, Gregg Munshaw

The best method to control weeds is to grow a dense and healthy lawn. This objective should be primary for turf professionals. Lawn weed control is facilitated by identification of the turfgrass and weed species present. Not all herbicides will control all weeds, and not all herbicides are safe on all lawn grasses. This publication contains herbicide recommendations for licensed professionals. For information on weed control for non-professionals, see AGR 208: Weed Control for Kentucky Home Lawns.

Departments: Plant and Soil Sciences
Series: Agronomy (AGR series)
Tags: nursery and landscape, ornamental plants, turfgrass, weeds
Size: 240 kb
Pages: 4



AGR-172

Weed Management in Grass Pastures, Hayfields, and Other Farmstead Sites

6/30/2006 (minor revision)
Authors: J.D. Green, Jim Martin, Bill Witt

Departments: Plant and Soil Sciences
Series: Agronomy (AGR series)
Tags: cover and forage crops, farm crops, weeds
Size: 310 kb
Pages: 16