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Allen, T.

Cotton Foliar Diseases (updated/corrected)

Cotton Foliar Diseases (updated/corrected)

🕔11:21, 12.Aug 2017

Unsightly spots on cotton leaves are becoming more common as the year progresses.  There are a number of things that can cause cotton leaf spotting including herbicide injury, disease, insect feeding (i.e. spider mites), or numerous other factors.  The focus of this

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Soybean Rust Update: August 5, 2017

Soybean Rust Update: August 5, 2017

🕔08:34, 5.Aug 2017

Yesterday, light soybean rust infection was observed in Noxubee County, MS in soybean plants beyond the R5.5 growth stage. The specific information in this blog post should serve as an update to the soybean rust disease situation as well as including some general guidelines with regards to potential disease management scenarios.

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Soybean Target Spot: Information Regarding Susceptible Varieties Observed During 2016

Soybean Target Spot: Information Regarding Susceptible Varieties Observed During 2016

🕔15:41, 24.Jul 2017

Numerous soybean varieties were observed to be severely affected by target spot during 2016. Symptom expression on the specific varieties may be difficult to tell apart from other diseases. Some of the varieties were not commercially available for the 2017 season. However, in some rare situations some of these varieties may be planted and will likely respond this season in a similar fashion to what was observed during 2016 as a result of the continued wet weather during the 2017 growing season.

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Soybean Disease Update: July 22, 2017 (UPDATED 7/23/2017)

Soybean Disease Update: July 22, 2017 (UPDATED 7/23/2017)

🕔06:38, 22.Jul 2017

Several foliar diseases have increased in incidence throughout MS over the past several weeks. Root diseases, such as sudden death syndrome, taproot decline and one field of stem canker continue to be observed in the production system. The current foliar disease situation is outlined in this particular post.

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MS Agricultural Industry Council – Row Crop Update

MS Agricultural Industry Council – Row Crop Update

🕔22:41, 19.Jul 2017

You are welcome to attend the Row Crop Update at the Mississippi Agricultural Industry Council Conference. The conference is hosted at Perdido Beach Resort in Orange Beach, Alabama on Wednesday, July 26.

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Cotton Disease Update: July 6, 2017 UPDATED (7/10/2017 @ 6 PM)

Cotton Disease Update: July 6, 2017 UPDATED (7/10/2017 @ 6 PM)

🕔06:47, 6.Jul 2017

Bacterial blight of cotton has shown up in younger cotton in east and west MS. At present, 10 counties have been observed to contain bacterial blight cotton. To date (July 6), target spot has not been observed in the MS cotton crop.

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Soybean Disease Update: July 1, 2017

Soybean Disease Update: July 1, 2017

🕔11:13, 1.Jul 2017

The soybean disease situation continues to change throughout MS depending on growth stage situations in each field. Over the past week root diseases have been commonly observed. The first soybean rust of the season was observed in southwestern MS on kudzu.

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Corn Disease Update: June 24, 2017

Corn Disease Update: June 24, 2017

🕔15:32, 24.Jun 2017

Increased reports of disease in the corn crop in MS have been made over the past week. Normally, as corn matures, the incidence and severity of corn diseases observed with increase. Presently, common rust, Diplodia leaf streak, northern corn leaf blight, and southern rust can all be observed in our corn production system; however, southern rust has only been observed on an extremely limited number of acres to this point in the season.

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Navigating Fungicide Active Ingredients

Navigating Fungicide Active Ingredients

🕔07:17, 23.Jun 2017

Over the past several years, fungicide pre-mix products have dominated the marketplace. Keeping up with the specific chemical classes within each product can present a challenge. Included in this blog post are some information to aid in making fungicide decisions.

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Keys to Field Identification of Common Versus Southern Rust in Field Corn

Keys to Field Identification of Common Versus Southern Rust in Field Corn

🕔17:38, 21.Jun 2017

Diagnosing common and southern rust in the field can oftentimes be difficult. Subtle differences between the two diseases can occur at different parts of the growing season as well as sections of the crop canopy.

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Soybean Disease Update: June 18, 2017

Soybean Disease Update: June 18, 2017

🕔19:16, 18.Jun 2017

Limited soybean diseases have occurred throughout the MS soybean production system. Observations of Septoria brown spot and taproot decline have been quite common this season. Lesions that result from herbicide injury have also been commonly observed, but should not be cause for concern.

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Considering the R3/R4 Automatic Application in Soybean: Time to Apply Two Modes of Action Instead of One

Considering the R3/R4 Automatic Application in Soybean: Time to Apply Two Modes of Action Instead of One

🕔11:15, 3.Jun 2017

Over the past week calls have started to be received regarding the automatic fungicide application in soybean. On-farm, large plot trials were conducted during 2015 and 2016 to assess the benefit of several different fungicide products and to reevaluate the automatic application timing. At present, we believe that a mixed mode of action fungicide, or one that provides more than one mode of action would be more beneficial than the stand-alone strobilurin (QoI) fungicide application that has become popular over the past decade.

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REMINDER: 2017 Agronomic Scout Schools

REMINDER: 2017 Agronomic Scout Schools

🕔17:53, 19.May 2017

Mississippi State University will be hosting 4 scout schools this year. We have transitioned over the years to make these trainings much more diverse than insect pest alone. This year we will be including insects, disease, fertility, and herbicide symptomology. There

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Sandblasted Cotton/Re-Plant Decisions

Sandblasted Cotton/Re-Plant Decisions

🕔18:08, 5.May 2017

Approximately 20% of the cotton acres intended in Mississippi have been planted; however, given the cool, wet weather as well as high winds in the north Delta over the past several days, a number of re-plants will likely be taking place. 

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Wheat Disease Update: April 22, 2017

Wheat Disease Update: April 22, 2017

🕔11:09, 22.Apr 2017

Limited wheat acres in MS have meant for a fairly quiet winter. However, the observation of wheat diseases has increased over the past several weeks with the major questions coming from either vernalization issues (lack of chilling hours) or leaf rust.

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Managing Target Spot of Soybean: 2016 Fungicide Trial Efficacy Results

Managing Target Spot of Soybean: 2016 Fungicide Trial Efficacy Results

🕔09:29, 1.Apr 2017

Target spot management in soybean production systems remains a hot topic going into the 2017 season. The environment that occurred during late July and early August 2016 made us respect a disease that is often “out of sight and out of mind”. Fungicide data from two efficacy trials conducted during 2016 are included in this blog post.

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2017 Agronomic Crops Scout Schools

2017 Agronomic Crops Scout Schools

🕔15:06, 27.Mar 2017

Mississippi State University will be hosting 4 scout schools this year. We have transitioned over the years to make these trainings much more diverse than insect pest alone. This year we will be including insects, disease, fertility, and herbicide symptomology. There

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Target Spot Management: Thoughts from 2016 Observations

Target Spot Management: Thoughts from 2016 Observations

🕔16:29, 21.Mar 2017

Target spot was one of the main diseases that occurred during 2016. Normally a disease of little consequence in soybean as well as cotton, severe target spot outbreaks were observed in both crops. Making decisions regarding the occurrence of target spot during 2016 are difficult since the environment during key plant growth stages was the most important ingredient for the occurrence of target spot last season.

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2016 Soybean OVT Foliar Disease Ratings: Maturity Group IV

2016 Soybean OVT Foliar Disease Ratings: Maturity Group IV

🕔17:42, 19.Jan 2017

The MSU OVT soybean locations were rated for disease during the 2016 season. Multiple diseases were rated at multiple locations. In the past, Cercospora leaf blight and frogeye leaf spot have been the two main diseases rated. In 2016, Septoria brown spot as well as target spot were included in the ratings.

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2016 North MS Maturity Group IV and V Variety Trial Report

2016 North MS Maturity Group IV and V Variety Trial Report

🕔10:11, 13.Dec 2016

A Maturity Group IV and V variety trial was conducted in Verona, MS at the NMREC during the 2016 season. Yield and disease data are included in the attached report for all entries contained in the trial (RoundUp, Conventional and LibertyLink).

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2016 Soybean Variety Demonstration Program Summary

2016 Soybean Variety Demonstration Program Summary

🕔17:50, 4.Nov 2016

The On-Farm Soybean Variety Demonstration Program is conducted using a set of varieties with proven performance.  These varieties are grown in a production setting on various soil types and management systems around the state. Demonstration sets for both maturity group

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2016 Soybean Stem Canker Variety Trial Evaluations

2016 Soybean Stem Canker Variety Trial Evaluations

🕔13:32, 3.Nov 2016

The cultivars contained in the Mississippi State University Official Variety Trial (OVT), as well as a few added cultivars, were field-evaluated for their susceptibility/resistance to stem canker. Trials were conducted in Stoneville with toothpick-inoculated plants during the 2016 season. Tables contain the average ratings (on a 0-9 scale) as well as an assessment of resistance to stem canker (R, MR, MS, S) based on the ratings conducted.

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MS Chapter ASA Meeting – November 9th

MS Chapter ASA Meeting – November 9th

🕔15:25, 12.Oct 2016

The 2016 MS ASA Annual Agronomy meeting will be held Wednesday November 9, 2016 at the Grenada Co. Extension office.  A wide range of topics will be discussed including Iron chlorosis concerns for soybeans to winter forage strategies for livestock.

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Delta Area Rice Grower Meeting – November 17, 2016

Delta Area Rice Grower Meeting – November 17, 2016

🕔08:10, 5.Oct 2016

The 2016 Delta Area Rice Meeting will be held at the Bolivar Co. Extension office on November 17, 2016. Mississippi rice producers, industry professionals, and other interested parties are invited to listen to presentations from MSU research and Extension faculty

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Soybean Disease Update: September 7, 2016

Soybean Disease Update: September 7, 2016

🕔21:03, 10.Sep 2016

Foliar diseases continue to be observed throughout the MS soybean production system. Cercospora blight, frogeye leaf spot and target spot have been commonly observed. Soybean rust continues to be observed at low levels in areas where the disease has occurred following the rainfall received over the last month.

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