Weekly Crop Update by Mark VanGessel, Extension Weed Specialist; mjv@udel.edu Fall herbicide treatments have a nice fit for many situations such as small grain weed control, assisting with cover crop management, and reducing the severity of weed infestations for no till corn or soybeans. Let’s look at each of these situations. Treating small grain fields […]
Continue reading...September 21, 2012 Mark VanGessel
Fall Can Be a Good Opportunity for Getting a Jump on Next Year’s Weed Problems
September 21, 2012 Mark VanGessel
Harvest Aids for Soybeans
By WCU Editor Mark VanGessel, Extension Weed Specialist; mjv@udel.edu A few herbicides are labeled as harvest aids for soybeans. Glyphosate and paraquat will have the broadest spectrum of control, with paraquat having quicker activity on the weeds. Aim is also labeled, but it has a very narrow spectrum of control. Be sure to read the […]
Continue reading...September 7, 2012 Mark VanGessel
Considerations for Small Grains Weed Control
By WCU Editor Mark VanGessel, Extension Weed Specialist; mjv@udel.edu For no-till fields, a non-selective herbicide needs to be used prior to planting. If grasses are present glyphosate is a better choice than paraquat. Fields worked with a vertical tillage implement for residue management still need a non-selective herbicide. These implements are not weed control tools. […]
Continue reading...September 5, 2012 Administrator
Gray Leaf Spot Disease
By Jim Murphy Perennial ryegrass leaf blade damaged by gray leaf spot. Many are planting new turf areas or re-seeding damaged areas using perennial ryegrass. Perennial ryegrass has the advantage of a fast establishment rate; a full turf cover can develop within 4 weeks. However, you need to be aware that gray leaf spot disease… […]
Continue reading...August 30, 2012 Administrator
Horsenettle in Pasture and Hayfields
-Stephen Komar I have seen a marked increase in the number of pastures and hay fields infested with Horsenettle this season. This weed is a major concern since it can limit the marketability of hay due to the sharp prickles found on the stem and can quickly take over a field due to the large […]
Continue reading...August 24, 2012 Administrator
Reducing Weed Seed Production in Harvested Fields
By WCU Editor Mark VanGessel, Extension Weed Specialist; mjv@udel.edu Corn harvest has begun in some areas and the drought has resulted in large areas with stunted plants and very poor leaf development for shading weeds. Both of these situations have created conditions for late season weed growth that could result in significant weed Source: Weekly […]
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