Looks like we are fixing to have an overcast week with off-and-on showers; in other words, a typical early-June week for Tennessee. At the same time Palmer amaranth is growing very quickly and many will try to get their Liberty applied over Liberty Link soybeans.
Pigweed is breaking through Tennessee cotton and soybean fields. Pre-applied herbicides, depending on field and weather conditions, likely allowing pigweed to bust through and now is the time to make some decisions.
Springs in the South are wet more often than not. That is why a two-pass corn weed control program in 9 out of the last 10 years has provided more consistent weed control than reliance on a single pass.
Tennessee farmers, and those in other Southern states, are behind in spraying herbicides in burndown applications to clear hard-hit winter fields before 2014 spring planting, but winter also put weed germination behind schedule.