How weather affects these factors of herbicide performance.

If a fall herbicide application didn't occur and a spring burndown hasn't been possible, a comprehensive burndown program will be necessary to control marestail.

Research results from the University of Copenhagen show weeds could be greatly suppressed if growers moved from planting crops in rows to tighter grid patterns.

BASF's new strobilurin-resistant frogeye leaf spot fungicide for soybeans contains three modes of action and is expected to receive state registrations in time for the 2015 season.

Marestail, also known as horseweed, competes with soybeans throughout the growing season, reducing crop yields. In a 2010 Ohio State University study, soybeans yielded 51 bushels per acre when burndown treatment failed to control emerged plants; 57 bushels per acre when the burndown was effective, but there was no residual herbicide; and 65 bushels per acre when the burndown was effective and effective residual herbicides were used.

We have discussed this in the past, but it probably requires a review again with no-till wheat and other seedings commencing: