May 2007 - Posts

Are Weed Resistance Management Practices Gaining Momentum?

Lately it seems as though more growers are beginning to understand the consequences of glyphosate resistance and are making management changes to avoid or prevent the development of glyphosate-resistant weeds on their fields. An article in Integrated

Retailers Believe Growers Will Implement Resistance Management Strategies

According to field reports, glyphosate-resistant giant ragweed is being investigated in Minnesota, lambsquarters is suspected resistant in North Dakota, and other states are watching closely for additional signs of resistance, thus demonstrating the scope

Weather and Weed Control

Freezing conditions, floods and a host of other weather-related problems in the Midwest and Mid-South have been causing growers difficulties this season, many of them ending up having to replant their corn crops. As if the weather wasn’t a big enough

Michigan Becomes 16 State with Glyphosate-Resistant Horseweed

Glyphosate-resistant horseweed was recently confirmed in a Christmas tree plantation in Michigan, marking its first appearance in the state. As this resistant weed continues to spread, what steps will you take to prepare and help prevent it from invading

Southern Growers Still Struggling with Horseweed

Southern growers often are faced with few choices to battle glyphosate-resistant horseweed in their soybeans and cotton. In each of these crops, a burndown becomes critical. In a recent article , Arkansas Extension Weed Specialist Bob Scott says that

GR Ragweed in Indiana Spreads Across the State

Glyphosate-resistant giant ragweed is spreading quickly throughout the state of Indiana. This article confirms glyphosate-resistant giant ragweed in at least 10 counties across the state, compared to last year where the problem was only found in one Indiana

Lambsquarters and Glyphosate Resistance

Common lambsquarters has increasingly caused headaches for many growers across the United States. As more and more escapes appear in fields, frustrations grow and yields drop. Not only is lambsquarters a highly competitive weed, it is persistent, emerges

Remain Offensive Against Glyphosate-Resistant Horseweed

The most widely distributed glyphosate-resistant (GR) weed in the United States is horseweed (or marestail), currently confirmed resistant in 14 states. In the U.S., GR horseweed was initially reported in Delaware in 2000. There are two possible sources