Delta Crop Summit – November 13, 2012, Stoneville, MS
The 2012 Delta Crop Summit will be held on Tuesday, November 13, in Stoneville, MS. Please see the attached schedule.
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Eubank, T.
Weed of the Week: Yellow Woodsorrel
Yellow woodsorrel is a short-lived, herbaceous annual or perennial plant with a distinct sour taste and clover-shaped leaves.
Weed of the Week: Cutleaf Evening-primrose
Key identifying characteristics of cutleaf evening-primrose are the distinctive white mid-vein found on most leaves and a reddish base when cut with a sharp knife near the soil line.
Weed of the Week: Henbit
Henbit is native to Europe and Asia but can be found throughout the United States. It is common in crop fields, roadsides, pastures, and lawns throughout Mississippi.
Weed of the Week: Annual Bluegrass
Identifying features of annual bluegrass are its light green color, low and clumping growth habit, open leaf sheath, and lack of hairs.
Weed of the Week: Downy Brome
Downy brome can be problematic in some areas in winter wheat, pastures, and also in alfalfa.
Weed of the Week: Cheat
Cheat is a tufted, erect, winter annual grass species that is native to Europe. Cheat prefers open areas with full sunlight, such as cultivated fields, roadsides, and pastures.
Weed of the Week: Italian Ryegrass
Italian ryegrass plants germinate from fall through early spring, are highly competitive, and grow rapidly in the winter and early spring months.
Weed of the Week: Texas Millet
Texas millet is native to the southern United States and can be found in crop fields, pastures, roadsides, and untended areas in Mississippi.
Weed of the Week: Southwestern Cupgrass
Southwestern cupgrass has become an increasing problem in recent years in Mississippi.
Soybean Harvest Aids
Soybean harvest has begun in several places around the state. According to the USDA Agricultural Statistics Service in Mississippi, 34% of the soybean acreage is dropping leaves and 9% has been harvested. Yield reports at this point are optimistic in
Weed of the Week: Broadleaf Signalgrass
Broadleaf signalgrass is widely dispersed throughout the southeastern region of the United States.
Weed of the Week: Browntop Millet
In Mississippi, browntop millet is found in cultivated areas, lawns, pastures, and along roadsides.
Post-Harvest Weed Control Options
Tillage (disking, chisel plowing, etc.) is a common means of post-harvest weed control and a way to encourage rapid degradation of crop residues. However, this process can also bring new weed seeds to the surface, allowing them to germinate.
Weed of the Week: Sicklepod
Sicklepod is competitive with row crops during their seedling stages, so the first few weeks after planting are critical for control.
Glyphosate-resistant Palmer Amaranth on Turnrows and Ditchbanks
One area of concern in glyphosate-resistant (GR) Palmer amaranth management is controlling this species on turnrows, field borders, and ditchbanks. Clean crop fields surrounded on turnrows and/or ditchbanks by GR Palmer amaranth is a common sight in areas where it
Weed of the Week: Partridgepea
Partridgepea is often used as a wildlife forage because of the variety of species that feed off of the plant.
Weed of the Week: Coffee Senna
Written by: Blake Edwards, Tom Eubank and Jason Bond Coffee Senna Family: Caesalpinia Scientific name: Senna occidentalis Synonyms: Bricho, Coffeeweed, Septicweed Coffee senna is an erect, summer annual plant that has alternate and compound leaves along the stem with opposite
Weed of the Week: Hemp Sesbania
Late-emerging hemp sesbania is problematic at harvest due to its height, woody stem, and the fact that its black seed contaminate grain samples.
Delta Research and Extension Center’s Corn/Soybean (July 19) and Rice (July 31) Agronomic Crop Field Days
The DREC will be holding two separate field days, one for corn and soybean on July 19 and one for rice on July 31.
Soybean Hail Damage
Several soybean fields around the state have unfortunately been impacted from hail associated with recent storms. The big question in these cases is whether or not to replant. This is always a difficult question to answer. Several things need to
Do Not Forget About Barnyardgrass
With no new herbicide modes of action under development and increasing problems with resistance to current herbicide modes of action, next year’s crop must be considered when controlling weeds this year.
Herbicide Carryover
A problem that has become increasingly common in Mississippi and across the Midsouth over the last two years is corn injury from fomesafen (Flexstar, Flexstar GT, Prefix, Reflex) carryover.
Palmer Amaranth Control in Corn with HPPD Herbicides
Using herbicides with different modes of action is an excellent resistance management tool for glyphosate-resistant Palmer amaranth.
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