Numbered Publications: AGR
AGR-234: Sudangrass and Sorghum-sudangrass Hybrids
Jimmy Henning, Tom Keene, Ray Smith, Chris Teutsch | Feb. 19, 2018 (New)
Sorghum-sudangrass hybrids are developed by crossing sorghum with true sudangrass. The result is an annual grass that resembles sudangrass, but has coarser stems, taller growth habit, and higher yields. Like sudangrass, hybrids will regrow after grazing if growth is not limited by environmental factors. The coarse stems are difficult to cure as dry hay, therefore these grasses are best utilized for grazing, chopped silage and baleage.
AGR-230: Forage Sorghum
Jimmy Henning, Tom Keene, Ray Smith, Chris Teutsch | Feb. 19, 2018 (New)
Forage sorghum is the tallest of the summer annuals, reaching 6 to 15 feet in height and is best harvested as silage. Taller varieties produce high forage yield but can lodge, making them difficult to harvest mechanically. Some varieties have been developed that are shorter with increased resistance to lodging. Forage sorghums, like corn, are harvested once per season by direct chopping. While forage sorghum yields are similar to corn, they are lower in energy. The primary advantage of utilizing sorghum for silage production is its greater drought tolerance.
AGR-231: Pearl Millet
Jimmy Henning, Tom Keene, Ray Smith, Chris Teutsch | Feb. 19, 2018 (New)
The primary benefits of pearl millet are that it does not contain prussic acid and is not susceptible to the sugarcane aphid. Dwarf varieties are available, which are leafier and better suited for grazing.
AGR-233: Foxtail Millet
Jimmy Henning, Tom Keene, Ray Smith, Chris Teutsch | Feb. 19, 2018 (New)
Foxtail millet (German millet) is a fine-stemmed summer annual used mainly for emergency hay or pasture for cattle. It is the lowest yielding of the summer annual grasses since it will not regrow after cutting. It can also be used as a smoother crop when transitioning to other perennial forage crops. Foxtail millet is also commonly used for wildlife plantings to produce food and cover for doves, quail, and other birds.
AGR-228: Optimizing Bermudagrass Athletic Field Winter Survival in the Transition Zone
Gregg Munshaw | May. 31, 2017 (New)
Bermudagrass is an excellent choice for use on athletic fields throughout the transition zone (which includes Virginia, Kentucky, southern Indiana, and Missouri) because of its tolerance to close cutting heights, summer vigor, positive traction characteristics for athletes, resistance to divoting and ability to withstand and recover from significant traffic during active growth. The major limitation to successful bermudagrass persistence in transition zone locations is a general lack of cold tolerance and susceptibility to winterkill.
AGR-227: Identifying Canola Growth Stages
Carrie Knott | Feb. 6, 2017 (New)
To effectively manage canola in Kentucky, the ability to identify key developmental growth stages is important. The most common canola growth stage system describes developmental stages. Several canola growth stages are important for Kentucky producers to recognize for optimal crop management and to maximize grain yield and profitability.
AGR-225: Turfgrass Weed Control for Professionals, 2017
Gregg Munshaw | Jan. 19, 2017 (New)
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.
AGR-226: Identification and Control of Henbit and Purple Deadnettle
Mike Barrett, Gregg Munshaw | Dec. 30, 2016 (New)
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.
AGR-199: Extending Grazing and Reducing Stored Feed Needs
Garry Lacefield | Nov. 21, 2016 (Reprinted)
For most livestock producers, extending the grazing season for their animals, or otherwise filling gaps in pasture forage availability to reduce stored feed needs, should be a high priority objective. This publication outlines strategies that can be used in some or many areas to extend grazing and reduce stored feed needs, thus increasing profit.
AGR-223: Identifying Soybean Growth Stages
Carrie Knott, Chad Lee | Sep. 30, 2016 (New)
Accurate identification of soybean growth stages is important to maximize grain yield and profitability, because most management decisions are based upon the growth stage of soybean plants within the fields. Key features of soybean growth stages are highlighted within this guide.