ALERT: Bacterial Blight of Cotton

🕔21:04, 15.Jul 2011

Several fields of cotton in the Delta, as well as one field in Monroe County exhibiting symptoms of bacterial blight have been detected over the past 5 days.  In addition, a significant acreage of cotton in Arkansas has been determined

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Corn Foliar Disease Update: July 8, 2011 – Southern Corn Rust Detected at LOW LEVELS

🕔07:04, 8.Jul 2011

Southern corn rust was detected in Coahoma County yesterday at VERY LOW LEVELS. This does NOT mean that a fungicide application is necessary especially since most corn has reached the dent stage throughout the general area. To date this has been the only southern rust detected in MS.

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Cotton Foliar Disease and Fungicide Application

🕔13:34, 1.Jul 2011

The incidence of foliar disease in cotton across MS have been on the rise over the past 5 years. In addition, fungicide applications have been suggested as a means of managing the leaf spots and increasing yield. Research trials conducted at MSU and elsewhere suggest that fungicides aren’t beneficial when it comes to enhancing cotton yield.

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Corn Foliar Disease Update: June 24, 2011

🕔20:16, 24.Jun 2011

At present there is still little to no foliar disease in the majority of the corn crop.  Many of the calls I’ve received over the past 7 to 10 days have dealt with sun scald, herbicide injury or urea burn

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Soybean Disease Calendars for Maturity Group IV and V Soybean

🕔10:53, 20.Jun 2011

One of the biggest questions I receive each year has to do with whether or not a specific disease is present on soybean at a particular time.  Most and I say most since this is a statement that can differ

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Corn Foliar Disease Update: June 15, 2011

🕔22:14, 15.Jun 2011

At present, low levels of foliar disease continue to be reported from some corn fields throughout the Delta.  Over the past week more common rust has been identified throughout the corn canopy.  I’ve received several telephone calls questioning whether or

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After the Flood: Row Crop Replanting

🕔01:49, 10.Jun 2011

MSU Extension Service and MAFES researchers have compiled the following suggestions and information regarding replanting and managing row crops after the flood. Also included is post-flood crop insurance information.

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General Corn Foliar Disease Update: June 8, 2011

🕔23:06, 8.Jun 2011

At present, and generally due to the hot and dry conditions, little if any foliar disease is present in the Mississippi corn crop.  On Friday (June 3) I scouted fields in the Tchula/Thornton area.  The particular fields were dryland corn

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Soybean Seedling Disease and Fungicide Seed Treatment Issues to Consider Following Flooded Soils

🕔14:52, 4.Jun 2011

Pythium seedling diseases and fungicide seed treatments Little if any information seems to exist regarding the specific fungicide seed treatment suggestions that would follow extended periods of soil flooding.  In the past, most of the published research has been conducted

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Mississippi Soybean Sentinel Plot Update and Regional Soybean Rust Situation

🕔07:13, 4.Jun 2011

Funding has been secured to monitor for soybean rust from the United Soybean Board and to conduct a general soybean disease monitoring program through funding from the Mississippi Soybean Promotion Board.  As in the past, soybean sentinel plots were planted

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The corn fungicide dilemma: when should a fungicide be applied? Part V of V, preventing yield loss from foliar disease

🕔16:15, 29.May 2011

Over the past 4 updates I’ve attempted to present data that suggests the best time to apply a fungicide is in response to a foliar disease that could potentially reduce yield.  In many situations particular fungicide products are being touted

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The corn fungicide dilemma: when should a fungicide be applied? Part IV of V, standability/lodging

🕔11:05, 28.May 2011

Much has been made of the ability of strobilurin fungicides to prevent corn from lodging, typically towards the end of the season.  Since 2007 I have received countless calls that have gone something like “we sprayed a field with fungicide

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The corn fungicide dilemma: when should a fungicide be applied? Part III of V, green leaf material as measured by percent chlorophyll

🕔15:09, 27.May 2011

Since 2007, fungicide products containing a strobilurin active ingredient have been suggested to increase plant “greenness” or allow the plants to stay greener longer in the field following a tassel (VT) application.  Increased green plant tissue has been stated to

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The corn fungicide dilemma: when should a fungicide be applied? Part II of V, irrigated versus non-irrigated situations

🕔22:45, 26.May 2011

From 2007 through 2009 Mississippi State University extension and research personnel were involved in a large corn fungicide research effort funded by the Mississippi Corn Promotion Board.  Except for situations where corn was planted on experiment stations (Brooksville, Pontotoc, Raymond,

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The corn fungicide dilemma: when should a fungicide be applied? Part I of V, yield in the absence of measureable disease

🕔12:49, 23.May 2011

To keep each of the sections short I’ve separated the entire segment regarding fungicide application in corn into 5 general segments. 2011 marks my 5th season with Mississippi State University.  Since I started this job on May 15 2007, one

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Bacterial leaf streak and black chaffe of wheat

🕔09:41, 15.May 2011

Over the past few weeks I’ve received numerous calls regarding wheat leaves and heads that have gone from not presenting disease-like symptoms to presenting disease symptoms in a short period of time.  In addition to leaf symptoms (see top photo),

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Planting Progress

🕔16:21, 13.May 2011

Tremendous headway was made this week with regard to cotton planting.  Planters started moving late last week as well as over the weekend.  By Monday, planting activities for several crops were well underway throughout the state.  While flooding is of

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Wheat fungicide pre-harvest intervals

🕔13:03, 29.Apr 2011

Over the past week I have continued to receive calls regarding the fungicide application restrictions in wheat.  The specific wheat pre-harvest intervals are set to reduce the likelihood of a residue issue at the elevator.  I do realize there has

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Mississippi Wheat Disease Update

🕔14:14, 15.Apr 2011

Currently, the wheat crop continues to be mostly disease free. The majority of the wheat crop is heading to flowering depending on the geographic location within Mississippi. At present, the two most prevalent diseases are leaf and stripe rust.

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Mississippi Wheat Disease Update and Fungicide Decisions

🕔20:54, 24.Mar 2011

Mississippi Wheat Disease Update and Fungicide Decisions At present there is little to no disease in the Mississippi wheat crop. On Monday, low levels of powdery mildew were detected in a research plot in Stoneville. In addition, low levels of

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Key Corn Verification Findings

🕔00:02, 12.Mar 2011

One of the objectives of this program is to identify key production limitations, so the Mississippi State University Extension Service and Experiment Station can better direct efforts to develop innovations for our specific problems. This is a summary of such limitations documented during the past few years.

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Monitoring Aphids in Mississippi Wheat

🕔13:34, 1.Mar 2011

Several aphid species can be found in wheat throughout Mississippi each year. The most common are bird cherry-oat aphids, green bugs, and corn leaf aphids.

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2010 Row Crop Short Course Video Links

🕔13:57, 14.Feb 2011

The 2010 Row Crop Short Course was held at Mississippi State University on December 6 – 8, 2010.  As we expanded the Short Course in 2009, we also have adopted technology to record the oral and visual portions of the presentations. 

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Evaluation of Peanut Prescription Rx Program in Mississippi

Evaluation of Peanut Prescription Rx Program in Mississippi

🕔12:50, 24.Jan 2011

The Peanut Prescription Rx Program has proven successful in peanut producing areas for several years, and some growers in Mississippi are trying this on their farms. The program utilizes several factors to determine the risk of infection from a particular disease. After the risk has been assessed, a prescription fungicide recommendation can then be made. This study is designed to evaluate the effectiveness of this program in Mississippi.

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