Maximizing Forage in Winter Injured and Killed Stands by Dan Undersander, Extension Forage Agronomist When significant winter alfalfa stand damage occurs consider the following. The situations vary from low spots only in fields to significant portions of the fields. I recommend the following: First, make sure that “dead” spots are actually dead and not just delayed: Dig […]
Read More...
Evaluating and Managing Alfalfa Stands for Winter Injury by Dennis Cosgrove and Dan Undersander Introduction Each year in Wisconsin, alfalfa stands are at risk of being injured or killed by winter conditions such as cold temperatures, ice sheets and heaving. Having the ability to evaluate this injury early in spring is helpful in making crop rotation […]
Read More...
Getting the Most from Drought Stressed Forages by Dan Undersander, Forage Agronomist Good management of moisture stressed forages will increase maintenance of a good stand and reduce the loss of forage production. Management of alfalfa, grass hayfields, pasture and corn each have some special considerations. Alfalfa Moisture stress has the following effects on the alfalfa plant: Cell […]
Read More...
Frost Injury to Alfalfa by Dan Undersander and Paul Peterson We are seeing some frost injury to alfalfa leaves. It appears as the misshapen leaf tips shown in the circles of the picture to the left. Frost can damage leaves in early stages of development and then damage becomes visible as the leaves mature. The frost injury is […]
Read More...
FULL REPORT previous HAY MARKET REPORTS
Read More...
Roundup Ready, Low Lignin and Other New Traits in Alfalfa’s Future by Dan Undersander¹ Abstract The benefits of using new breeding techniques for alfalfa improvement are just being developed. These GMO alfalfa varieties will revolutionize the using and management of alfalfa. This paper presents information on the development of two GMO alfalfa traits (Roundup Ready and […]
Read More...
Disease Profile: Aphanomyces Root Rot of Alfalfa by Quinn Watson and Damon Smith Aphanomyces Root Rot (ARR) is a significant monocyclic seedling disease caused by the fungus-like plant pathogen, Aphanomyces euteiches. The disease afflicts a variety of legumes, including soybean, alfalfa, snap bean, faba bean, red kidney bean, red clover, and white clover, and causes a dramatic reduction […]
Read More...
Costs and Benefits of Roundup Ready® Alfalfa in the Establishment Year by Mark J. Renz1 Weed suppression can be important during alfalfa establishment as weeds can reduce stand life, alfalfa biomass, and forage quality. To reduce these impacts producers commonly apply herbicides to establishing alfalfa. A range of options exist, but the most common applications include […]
Read More...
Yield and Management of Roundup Ready Alfalfa by Dan Undersander¹ Establishment of dense vigorous stands of alfalfa is essential for long-term profitability, but establishment can be challenging because seedling alfalfa is vulnerable to competition from annual weeds and wind and water erosion. Roundup Ready Alfalfa was re-introduced last year as a new tool available to farmers […]
Read More...
Aphanomyces Races in Alfalfa by Nick Schneider, Craig Grau, Brian Hudelson, and Amy Gibbs Introduction Aphanomyces root rot (Aphanomyces euteiches) has been identified as a significant alfalfa disease for over 20 years now. Alfalfa is known to be susceptible to numerous root diseases including Bacterial wilt, Fusarium wilt, Phytophthora root rot, Pythium, Verticillium wilt, and Aphanomyces. In Wisconsin, […]
Read More...
