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Allen, T.

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

🕔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

🕔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

🕔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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2012 MSU Short List of Suggested Wheat Varieties

🕔11:08, 25.Aug 2012

This article lists those wheat varieties which have demonstrated superior productivity in the MSU Wheat and Oat Variety Trials and summarizes their characteristics. This impartial information should help you better assess how many variety traits potentially work to affect wheat performance on your farm next season.

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Soybean Foliar Disease Update: August 21, 2012

Soybean Foliar Disease Update: August 21, 2012

🕔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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Cotton Foliar Leaf Spots: Determining the Underlying Cause is Most Important Management Option

🕔10:13, 11.Aug 2012

Foliar leaf spot diseases continue to be observed throughout the MS cotton production area. Determing the particular leaf spot at the field level can be quite difficult especially if the leaf spots are a result of a foliar potassium deficiency. Bacterial blight, Corynespora leaf spot, and various other fungal diseases are being observed at present within our production system.

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Choosing Winter Wheat Varieties with Tolerance to Leaf and Stripe Rust

🕔09:14, 6.Aug 2012

Six locations of the MS wheat variety trial plots were rated for the presence of leaf and stripe rust. Included is information regarding the reaction of each of the varieties contained to aid in determing the best wheat varieties with rust tolerance to plant for the 2012/2013 season.

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Soybean Update and Additional Management Considerations

🕔16:08, 3.Aug 2012

To date, the majority of Mississippi’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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Delta Research and Extension Center Rice Field Tomorrow

🕔15:44, 30.Jul 2012

This is a friendly reminder that the Rice Field at Delta Research and Extension Service in Stoneville, MS will be tomorrow (July 31, 2012).   Registration at Capps Center- 2:00 pm.   Rice Market Outlook presentation by Milo Hamilton –

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Soybean Rust Update: July 30, 2012

Soybean Rust Update: July 30, 2012

🕔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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Yield Reduction from late-season Corn Defoliation?

Yield Reduction from late-season Corn Defoliation?

🕔16:12, 27.Jul 2012

There is some late-planted Mississippi corn which has not reached physiological maturity. This corn may have its yield reduced somewhat by severe problems or stress. Included is a chart which may help assess potential corn yield reduction or risk.

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General soybean disease update: July 21, 2012

General soybean disease update: July 21, 2012

🕔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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Southern Corn Rust: Is a Late Fungicide Application Warranted?

Southern Corn Rust: Is a Late Fungicide Application Warranted?

🕔09:32, 21.Jul 2012

Southern rust continues to be a topic of conversation throughout the MS corn production area. Presently, the disease can be observed at low levels in a patchy distribution throughout the Delta. However, there are likely some fields that contain hot spots of the disease. Scouting continues to be necessary in situations where a fungicide application could be beneficial. But, the necessity to apply a fungicide will be dependent on several important variables.

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First Findings of Kudzu Bugs in Mississippi

First Findings of Kudzu Bugs in Mississippi

🕔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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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

🕔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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Bacterial Blight of Cotton Update: July 13, 2012

Bacterial Blight of Cotton Update: July 13, 2012

🕔07:25, 13.Jul 2012

For the second year in a row bacterial blight of cotton has been observed on numerous acres in the MS production system. Compared to 2011, twice as many counties have been observed to contain infected plant material.

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Response of Cotton Varieties to Inoculation with Xanthomonas axonopodis pv. malvacearum in Mississippi

Response of Cotton Varieties to Inoculation with Xanthomonas axonopodis pv. malvacearum in Mississippi

🕔10:02, 4.Jul 2012

Inoculation trials were conducted during the 2011 season to determine the response of several popular cotton varieties to the bacterial blight organism. The attached blog post is a poster that was presented at the 2012 Beltwide Cotton Conferences that were held in Orlando, FL in January 2012.

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

🕔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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Root-knot Nematode Observed in Some Delta Cotton Fields

🕔19:32, 30.Jun 2012

Root-knot nematode damaged cotton fields have been observed in at least two fields this season. With the loss of Temik, farmers have had to rely on alternative methods to manage high nematode populations.

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Scouting Cotton for Bacterial Blight

🕔11:26, 29.Jun 2012

Bacterial blight of cotton has once again been observed in the MS cotton production area. Angular lesions associated with the disease can easily be confused with many other foliar diseases as well as other important issues in cotton. Observe the photos for help in scouting for the disease that until the past two seasons has been a fairly rare occurrence in MS.

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Corn Disease Update for June 22, 2012: Southern Rust Detected in Localized Areas

🕔08:45, 23.Jun 2012

Numerous diseases and disease-like issues are being detected throughout the corn crop in this stage of the season. Nutrient burn, sun scald, northern corn leaf blight, gray leaf spot, and southern corn leaf rust can all be observed throughout localized areas of the Delta at this stage in the season.

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Soybean Crop Update and Management Considerations

🕔18:13, 19.Jun 2012

We are all thankful for the recent rains that were received throughout the majority of the state. These rains were certainly welcomed, especially in those areas that have remained dry for the last several weeks. Many places received adequate rainfall,

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Preventive Soybean Fungicide Applications: Products, Rate Selection, Timing

🕔11:24, 15.Jun 2012

Over the past several weeks several phone calls have inquired about the specifics on timing of fungicide application in soybean. Over the past decade, the majority of the fungicide trials conducted in MS have suggested that an R3/R4 fungicide applied in the absence of disease provides not only excellent yield-loss prevention but in some cases an economic return.

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Delta Research and Extension Center’s Corn/Soybean (July 19) and Rice (July 31) Agronomic Crop Field Days

🕔11:25, 13.Jun 2012

The DREC will be holding two separate field days, one for corn and soybean on July 19 and one for rice on July 31.

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Corn Disease Update: June 7, 2012

🕔22:27, 7.Jun 2012

Over the past few days reports of northern corn leaf blight and gray leaf spot have increased in the MS corn crop. However, common rust is still the only rust that has been observed in MS. Keep in mind that in some cases common rust, on the lowest leaves in the corn canopy, can take on the appearance of southern rust.

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