Weed of the Week: Browntop Millet
In Mississippi, browntop millet is found in cultivated areas, lawns, pastures, and along roadsides.
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Posts From Jason Bond, Research/Extension Weed Scientist
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.
Weed Control to Weed Management
When glyphosate was effective on most weeds, we were in a period of “weed controlâ€. However, over the last few years since glyphosate-resistant weeds have become so prevalent, we have entered a period of “weed managementâ€.
Cleaning Spray Tanks Is Critical
Sprayer cleanout after a herbicide application is a critical component to a successful herbicide application.
Timing Critical for Postemergence Herbicide Applications
A good rule of thumb is that the crop should be weed-free for the first four to six weeks following emergence to avoid yield loss.
MSU hires Jason Krutz as Irrigation Specialist for DREC
Mississippi State University has named Dr. Jason Krutz as Extension/Research Irrigation Specialist at the Delta Research and Extension Center
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.
Control Palmer Amaranth at Planting
Paraquat is a critical component of an at-planting herbicide application.
Glyphosate-resistant Italian Ryegrass Spreading across Mississippi
The severity of the glyphosate-resistant (GR) Italian ryegrass problem in Mississippi has varied from year to year. This year has been the worst year since the initial confirmation in 2005, and GR Italian ryegrass is spreading.
Soybean Variety Selection Tool
Variety selection is one of the most critical components in maximizing soybean yields. Soil type, planting date, maturity group, and many other factors are key components in selecting the correct variety for your farm. The Mississippi Soybean Promotion Board offers a tool to aid you in your selection.
Metribuzin-tolerance Screening of Selected Soybean Cultivars
For many years, one of the mainstay residual herbicides in soybean weed control systems was metribuzin (Sencor/Lexone). One of the drawbacks to metribuzin use is the sensitivity of some soybean varieties to this herbicide. A research project conducted by Mississippi State University and the University of Arkansas screened some of the modern germplasms available to producers for metribuzin tolerance.
Early Season Production System (ESPS) Still Fit Mississippi Production?
As soybean varieties change and new traits and germplasm are brought forward it would stand to reason that the tried and proven ESPS still fits today’s practices.
Irrigation Termination on Soybean
As we close out another growing season a reoccurring question continues to be asked, “When can I terminate irrigation in my soybeans?â€
Post-harvest Weed Control by Jason Bond
The reality of weed control in the Midsouth today is that the weed control season is never over. Because of glyphosate-resistant weeds, we are either in the process of killing weeds or we should be thinking about how to kill them.
Take out your frustrations on pigweed
Farmers really don’t have a proverbial “slow time†anymore but now is a good time to remove any weeds from field borders and edges to prevent seed production.
County Maps of Herbicide Resistance in Palmer Amaranth from Mississippi
In an effort to aid Mississippi producers in their decision making process a statewide survey was conducted to determine where glyphosate and/or ALS-resistant Palmer amaranth was present in the state.
Mixing Issues with Gramoxone Inteon
Many producers have utilized paraquat, sold under the trade name Gramoxone Inteon®, to control emerged weeds at planting. Often times a chemical manufacturer will modify a herbicide formulation to create a safer, more stable, and/or effective herbicide. However, a recent formulation change in Gramoxone Inteon has resulted in some mixing issues in some parts of Mississippi.
