Valent U.S.A. Corporation and Monsanto Company will expand their long-standing collaboration in Roundup Ready PLUS Weed Management Solutions with new cash-back incentives to help growers protect their herbicide investment in the 2013 season for soybeans.

MANA today announced its launch of five new soybean weed control tools: Rumble, Tailwind, Torment, Vise and Outflank herbicides.

There is still time this fall to apply herbicides for control of winter annuals and marestail.

Dry soil conditions have sparked many questions from growers on how best to establish their winter wheat crop.

Emerged volunteer corn at this time of year is normally considered to be a good situation, since all the volunteer plants will winterkill, but if a killing frost does not occur soon, they could be an impediment to farmers who would like to sow wheat this fall.

A study published this week by Washington State University research professor Charles Benbrook finds that the use of herbicides in the production of three genetically modified herbicide-tolerant crops - cotton, soybeans and corn - has actually increased. This counterintuitive finding is based on an exhaustive analysis of publicly available data from the U.S. Department of Agriculture's National Agriculture Statistics Service. Benbrooks analysis is the first peer-reviewed, published estimate of the impacts of genetically engineered (GE) herbicide-resistant (HT) crops on pesticide use.

Even as crops resistant to 2,4-D herbicide are being developed, populations of weeds are also developing a resistance, says the journal Weed Science.