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Fungicide

Early leaf spot found in the greater Aberdeen area

🕔10:49, 5.Sep 2012

Description and symptoms.  Yesterday I looked at some defoliating fields in the greater Aberdeen vicinity. The vines looked like someone had used a set of hedge shears to remove the foliage from between the rows and thin it in the

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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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Predicted conditions surrounding Isaac favor diseases of peanut

🕔21:39, 26.Aug 2012

As of Sunday evening, it appears that Tropical Storm Isaac will slow, turn into a hurricane, and hit our Gulf Coast sometime Tuesday. Rainfall amounts are forecast in inches below I-20 and tropical storm conditions are expected to prevail for

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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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Last of July/First August Update and Ernesto Advisory

🕔23:53, 5.Aug 2012

Current update Last of July/First of August and Tropical Storm Ernesto Advisory White mold White mold began germinating and growing on dead organic matter in the south about 18 days ago in south central Mississippi, but really started to kill

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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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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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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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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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Rice Disease Update July 13, 2012

🕔13:09, 13.Jul 2012

This is video update of the current disease situation in rice. Please click on the following link to watch.

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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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Table of Peanut Fungicides Labeled in Mississippi

🕔12:42, 18.Jun 2012

I have been asked for my “cheat sheets” of peanut fungicides labeled for use in Mississippi. Here are two tables, one alphabetized by active ingredient (primary a.i. if more than one a.i.) and the second table alphabetized by Trade Name.

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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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Peanut Disease Update: week of May 27 – June 1.

🕔08:04, 7.Jun 2012

Before getting to the state disease summary, a quick note on two diseases common at this time of year, Pepper Spot/Leaf Scorch and funky leaf spot (FLS). Funky Leaf Spot is important because the early symptoms can be confused with

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Corn Fields Having Sustained Hail Injury May not Benefit from a Foliar Fungicide

🕔21:31, 6.Jun 2012

Over the past several weeks we’ve encountered tremendous hail damage in corn fields.  Leaf shredding is one of the more common symptoms associated with hail injury and the greatest source of yield loss as a result of hail injury (see:

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Corn Diseases to Watch for While Scouting Corn

🕔11:58, 25.May 2012

Scouting corn can be especially challenging. Looking for disease within the corn canopy can take a tremendous amount of time and should be done a little different depending on the particular crop stage encountered. Once an ear has set (post-tassel) focusing on the ear leaf and above is generally the best scouting method since protecting the ear leaf is important. I’ve included several descriptions and pertinenent information regarding some of the more commonly encountered diseases in our corn production system.

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Corn Disease Update and Tassel Fungicide Decisions: May 15, 2012

🕔17:39, 15.May 2012

The corn crop appears to be much earlier this year than it has over the recent past.  I’ve driven by numerous fields from south Washington County to north Bolivar County where almost 100% of the field has reached the tasseling

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2012 Mississippi Soybean Sentinel Plot Program

🕔17:47, 13.Apr 2012

Sentinel plots will continue to be used to monitor for yield-limiting diseases throughout MS during the 2012 season. Even though in the past sentinel plots have more typically been used to monitor for the presence of soybean rust, the plots will be used to monitor for all economically important soybean diseases.

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Current Wheat Rust Situation: April 12, 2012

🕔20:54, 12.Apr 2012

Heavy leaf and stripe rust sporulation continues to be a concern throughout much of the wheat production area in MS.

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