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Soybeans

Soilborne Diseases and Disorders of Soybean: Is it Sudden Death Syndrome (SDS) or is Something Else Responsible?

👤Tom Allen, Extension Plant Pathologist 🕔17:19, 3.Sep 2012

Many diseases of soybean can produce a symptom of interveinal chlorosis. Stem canker, sudden death syndrome, Phytophthora root rot, southern blight, and several other less common diseases in the MS production system can all produce symptoms on the uppermost leaves that appear similar to SDS. However, disorders can also produce the same symptom and are oftentimes readily misdiagnosed at the field level.

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The Principles of Plant Pathology: The Disease Triangle and Influence of the Environment

👤Tom Allen, Extension Plant Pathologist 🕔17:38, 31.Aug 2012

Plant pathogens require a specific set of factors to occur at the same time for disease to begin. More often than not diseases require a prolonged conducive environment before the pathogen can produce observable symptoms.

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Impact of Hurricane Isaac on Soybean Rust and Potential Management Decisions

Impact of Hurricane Isaac on Soybean Rust and Potential Management Decisions

👤Tom Allen, Extension Plant Pathologist 🕔11:48, 31.Aug 2012

Over the past six weeks soybean rust has been detected in numerous soybean fields throughout Mississippi. Even though it appears that a large number of counties have soybean plants infected with the disease, at present only low levels of soybean

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Weed of the Week: Southwestern Cupgrass

👤Jason Bond, Research/Extension Weed Scientist 🕔09:39, 30.Aug 2012

Southwestern cupgrass has become an increasing problem in recent years in Mississippi.

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Soybean Harvest Aids

👤Trent Irby, Extension Soybean Specialist 🕔08:43, 28.Aug 2012

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

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Soybean Foliar Disease Update: August 21, 2012

Soybean Foliar Disease Update: August 21, 2012

👤Tom Allen, Extension Plant Pathologist 🕔16:52, 21.Aug 2012

Foliar disease in the soybean crop continue to be observed throughout MS. Presently, soybean rust has been detected in 11 counties, with Lowndes, Noxubee, and Winston being the most current finds (8/21/2012). In addtiion, frogeye leaf spot and Cercospora blight continue to be observed across a greater number of acres.

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Terminating Soybean Irrigation

👤Trent Irby, Extension Soybean Specialist 🕔18:51, 15.Aug 2012

At this point in the growing season, those with irrigation capabilities are looking at their crop to decide how much additional water it will take to finish things off. Scattered rains over the last few days have helped make this

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Weed of the Week: Browntop Millet

Weed of the Week: Browntop Millet

👤Jason Bond, Research/Extension Weed Scientist 🕔08:22, 13.Aug 2012

In Mississippi, browntop millet is found in cultivated areas, lawns, pastures, and along roadsides.

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August USDA Report Recaps

👤John M. Riley, Extension Economist 🕔09:44, 10.Aug 2012

[note: I have a prior obligation today. Here is a quick synopsis of the reports with more to come in later today or over the weekend] This morning USDA’s World Agricultural Outlook Board released their August estimates of U.S. and

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Post-Harvest Weed Control Options

👤Jason Bond, Research/Extension Weed Scientist 🕔17:13, 8.Aug 2012

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.

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Weed of the Week: Sicklepod

👤Jason Bond, Research/Extension Weed Scientist 🕔14:56, 7.Aug 2012

Sicklepod is competitive with row crops during their seedling stages, so the first few weeks after planting are critical for control.

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Fall Armyworms in Mississippi Crops

👤Jeff Gore, Research and Extension Entomologist 🕔19:17, 3.Aug 2012

Fall armyworm can be a challenging pest to find and an even more challenging pest to manage in some crops. The damage that they cause and their management varies greatly from crop to crop. The reason for this is due to their preferred feeding sites on different crops and the presence of host strains.

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Soybean Update and Additional Management Considerations

👤Trent Irby, Extension Soybean Specialist 🕔16:08, 3.Aug 2012

To date, the majority of Mississippiâ€™s soybean crop is either blooming, setting pods, or turning color in places. Some isolated fields in parts of Bolivar, Issaquena, and Washington counties have been harvested over the past 10 days. Since July 4,

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Terminating Insecticide Sprays for Defoliators in Soybean: Podcast

👤Angus Catchot, Extension Entomologist 🕔12:06, 3.Aug 2012

Please click the link below to hear the latest podcast on terminating insecticide sprays for defoliators in soybean.. Terminating Defoliator Sprays in Soybean

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Glyphosate-resistant Palmer Amaranth on Turnrows and Ditchbanks

Glyphosate-resistant Palmer Amaranth on Turnrows and Ditchbanks

👤Jason Bond, Research/Extension Weed Scientist 🕔10:40, 31.Jul 2012

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

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Weed of the Week: Partridgepea

Weed of the Week: Partridgepea

👤Jason Bond, Research/Extension Weed Scientist 🕔08:55, 31.Jul 2012

Partridgepea is often used as a wildlife forage because of the variety of species that feed off of the plant.

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Soybean Rust Update: July 30, 2012

Soybean Rust Update: July 30, 2012

👤Tom Allen, Extension Plant Pathologist 🕔08:46, 30.Jul 2012

Additional soybean rust has been detected in MS as of last Thursday. At present, 5 counties (George, Issaquena, Jefferson, Pearl River, Pike) contain extremely light soybean rust infections in either commercial soybean fields (George, Jefferson, Pike) or in soybean sentinel plots (Issaquena, Pearl River).

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General soybean disease update: July 21, 2012

General soybean disease update: July 21, 2012

👤Tom Allen, Extension Plant Pathologist 🕔15:38, 21.Jul 2012

Numerous foliar diseases in our soybean production system are being observed. Frogeye leaf spot, aerial blight, Cercospora blight, and southern blight have been observed on numerous acres at this time.

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Bollworm Update Cotton/Soybean

👤Angus Catchot, Extension Entomologist 🕔10:19, 21.Jul 2012

This year started out with most folks expecting higher than usual bollworm numbers due to the mild winter. Couple that with increased corn acres and the perfect storm was thought to be brewing. This is why entomologists get â€œshiftyâ€ when

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First Findings of Kudzu Bugs in Mississippi

First Findings of Kudzu Bugs in Mississippi

👤Angus Catchot, Extension Entomologist 🕔18:07, 18.Jul 2012

On Friday July 13th a former graduate student from Clemson was traveling through the Vicksburg, MS area where she stopped at a gas station and noticed six adult kudzu bugs on a vehicle in close proximity to a kudzu patch.

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Weed of the Week: Hemp Sesbania

Weed of the Week: Hemp Sesbania

👤Jason Bond, Research/Extension Weed Scientist 🕔08:59, 18.Jul 2012

Late-emerging hemp sesbania is problematic at harvest due to its height, woody stem, and the fact that its black seed contaminate grain samples.

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Soybean Rust Detected in a Sentinel Plot and Commercial Soybean Fields in George County

Soybean Rust Detected in a Sentinel Plot and Commercial Soybean Fields in George County

👤Tom Allen, Extension Plant Pathologist 🕔06:34, 16.Jul 2012

Soybean rust has been detected for the first time during the 2012 season in George County in southeastern, MS. Additional information regarding the specific find as well as management scenarios are included in the blog update. Stay tuned for additional information regarding the presence of soybean rust in the MS soybean crop on the blog, at www.sbrusa.net, and through the free telephone hotline (1-866-641-1847) that provides information regarding the presence of soybean rust in AR, LA, and MS and is sponsored by the Mississippi Soybean Promotion Board.

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How Soon Did It Rain After You Sprayed?

How Soon Did It Rain After You Sprayed?

👤Jeff Gore, Research and Extension Entomologist 🕔16:32, 13.Jul 2012

Over the past week we have been getting a significant amount of rain across most of Mississippi. Unfortunately, most insects donâ€™t mind the rain. Other than spider mites and aphids, we will likely have to continue managing insects in all crops despite the rain.

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July Supply and Demand Report Shocker

👤John M. Riley, Extension Economist 🕔16:01, 11.Jul 2012

The World Agricultural Outlook Board of USDA released their monthly World Agricultural Supply and Demand Estimates report (WASDE) this morning, July 11. The report revealed what most had feared, a much lower per acre yield than trend would suggest. The

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R.R. Foil Plant Science Research (North Farm) Center Field Day – July 19, 2012

👤Darrin Dodds 🕔18:26, 3.Jul 2012

It has been a number of years since a field day was conducted at the R.R. Foil Plant Science Research center near the campus of Mississippi State University. To that end, a row crop field day will be held on

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Updated Past 7 Day Average Maximum and Minimum 2 inch Soil Temperatures for the State of Mississippi

This map shows the latest Average Maximum and Minimum 2 inch Soil Temperatures for the last 7 days for Regions throughout The State of Mississippi. I have also included the
Updated Past 7 Day Average Maximum and Minimum 2 inch Soil Temperatures for the State of Mississippi

This map shows the latest Average Maximum and Minimum 2 inch Soil Temperatures for the last 7 days for Regions throughout The State of Mississippi. I have also included the
2023 Verona, MS Soybean Variety Trial Frogeye Leaf Spot Evaluation Ratings

During 2023 multiple soybean OVT locations were observed for the presence of disease. The Verona, MS location was observed to have the most consistent frogeye leaf spot data across all of the varieties planted. Observations were made and those are reported in the corresponding data tables.
2023 Soybean Stem Canker Inoculated Variety Trial Evaluations

The cultivars contained in the 2023 Mississippi State University Official Variety Trial (OVT), as well as several additional cultivars, were field-evaluated for their susceptibility/resistance to stem canker. Trials were conducted in Stoneville with toothpick-inoculated plants. Tables contain the average of the field observations (on a 0-9 scale) as well as an assessment of resistance to stem canker (R, MR, MS,...
Wheat Disease Update: April 13, 2024

At present the Mississippi wheat crop looks pretty good. Keep in mind that there are some common disease issues that can occur throughout the wheat acres in the state. Proper identification of those diseases is an important first step before deciding on a specific management alternative.
When is the Cut-Off Date for Planting Corn?

When rain or other issues restrict planting opportunities, you may be wondering how to proceed with crop planting intentions. This newsletter helps address that question by explaining how corn responds to late planting when grown in different production systems based upon research conducted at Mississippi State University.