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Corn Disease Update: July 12, 2020

Corn Disease Update: July 12, 2020

🕔19:59, 12.Jul 2020

The presence of foliar diseases in the MS corn production system has certainly increased over the past several weeks. In general, the presence of disease increases as the corn crop ages. Questions regarding common and southern rust, Curvularia leaf spot, Diplodia leaf streak, and Physoderma brown spot have been posed over the past several weeks. Information regarding the aforementioned diseases is contained in the current blog post.

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2019 Soybean OVT Foliar Disease Evaluations: Maturity Group V

2019 Soybean OVT Foliar Disease Evaluations: Maturity Group V

🕔15:36, 26.May 2020

The MSU OVT soybean locations were evaluated for disease during the 2019 season. Multiple diseases were evaluated at multiple locations and are provided in this post. Cercospora blight, frogeye leaf spot (when present), Septoria brown spot, southern blight, and target spot were the most commonly encountered diseases during the season.

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2019 Soybean OVT Foliar Disease Evaluations: Maturity Group IV

2019 Soybean OVT Foliar Disease Evaluations: Maturity Group IV

🕔15:07, 26.May 2020

The MSU OVT soybean locations were evaluated for disease during the 2019 season. Multiple diseases were evaluated at multiple locations and are provided in this post. Cercospora blight, frogeye leaf spot (when present), Septoria brown spot, southern blight, and target spot were the most commonly encountered diseases during the season.

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County Meeting Schedule – February 2020

County Meeting Schedule – February 2020

🕔21:55, 30.Jan 2020

Mississippi State University Extension will be hosting several more county row crop meetings during February of 2020. Each meeting will cover issues specific to the region including management topics on agronomics, insects, weeds, diseases, and economics. A meal will be

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Upcoming County Meetings – January 22-23, 2020

Upcoming County Meetings – January 22-23, 2020

🕔10:25, 17.Jan 2020

Mississippi State University Extension will be hosting several county row crop meetings in January and February of 2020. Each meeting will cover issues specific to the region including management topics on agronomics, insects, weeds, diseases, and economics. A meal will

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2019 Soybean Stem Canker Inoculated Variety Trial Evaluations

2019 Soybean Stem Canker Inoculated Variety Trial Evaluations

🕔11:21, 4.Jan 2020

The cultivars contained in the Mississippi State University Official Variety Trial (OVT), as well as a few additional cultivars, were field-evaluated for their susceptibility/resistance to stem canker. Trials were conducted in Stoneville with toothpick-inoculated plants during the 2019 season. 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, S) based on the evaluations conducted.

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2019: Response of Cotton Varieties to Inoculation with Xanthomonas citri pv. malvacearum, the Causal Organism of Bacterial Blight

2019: Response of Cotton Varieties to Inoculation with Xanthomonas citri pv. malvacearum, the Causal Organism of Bacterial Blight

🕔13:29, 27.Dec 2019

Response of the cotton varieties contained within the 2019 Official Variety Trial to bacterial blight following evaluations conducted on inoculated plots are included in this blog post.

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2019 MSU Corn Hybrid Trial Disease Evaluations Irrigated Locations

2019 MSU Corn Hybrid Trial Disease Evaluations Irrigated Locations

🕔16:20, 4.Dec 2019

Locations containing the MSU official corn hybrid trials (OHT) were evaluated for foliar diseases during the 2019 season. Curvularia leaf spot and northern corn leaf blight (NCLB) were the two most commonly observed diseases. Presently, the evaluations from the irrigated locations (n=4) are included in the current post.

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UPDATE: Soybean Variety Demonstration Program Summary

UPDATE: Soybean Variety Demonstration Program Summary

🕔16:30, 19.Nov 2019

When previously posted, three locations from this year’s program had yet to be harvested. Since that time, two of these three locations have been harvested and the link below has been updated to reflect the addition of these data. As

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2019 MSU Corn Hybrid Trial Disease Evaluations NON-irrigated Locations

2019 MSU Corn Hybrid Trial Disease Evaluations NON-irrigated Locations

🕔14:26, 15.Nov 2019

Locations containing the MSU official corn hybrid trials (OHT) were evaluated for foliar diseases during the 2019 season. Curvularia leaf spot and northern corn leaf blight (NCLB) were the two most commonly observed diseases. Presently, the evaluations from the non-irrigated locations (n=4) are included in the current post. The irrigated locations (n=4) will be posted at a later date.

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2019 Soybean Variety Demonstration Program Summary

2019 Soybean Variety Demonstration Program Summary

🕔16:56, 13.Nov 2019

The annual MSU Extension Soybean Variety Demonstration Program is conducted using a set of varieties with proven performance. These varieties are grown in a production setting on various soils and management systems around the state. The sets for 2019 represented

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Soybean Disease Update: September 7, 2019

Soybean Disease Update: September 7, 2019

🕔11:51, 7.Sep 2019

Even though we are late in the season, some of the disease situations observed across MS continue to change.

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Cotton Leafroll Dwarf Virus: First Report in MS in 2019, Identification and Management Considerations

Cotton Leafroll Dwarf Virus: First Report in MS in 2019, Identification and Management Considerations

🕔10:51, 24.Jul 2019

A lot of information regarding a new cotton virus, cotton leafroll dwarf virus (CLRDV), has been swirling around the internet since last fall. A low number of CLRDV-positive samples were detected from Coahoma County, MS last week. The current blog post contains information regarding the virus.

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Corn Disease Update: July 22, 2019

Corn Disease Update: July 22, 2019

🕔13:27, 22.Jul 2019

Since June, and most recently over the past few weeks, the corn disease questions have continued to include diseases from the lower canopy, in addition to Curvularia leaf spot. Southern rust was first detected in the MS corn crop on July 5. Since that time a limited number of counties have also observed the disease. However, at present, the amount of southern rust observed has been rather low.

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MS Ag Industry Council – 2019 Row Crop Update

MS Ag Industry Council – 2019 Row Crop Update

🕔11:23, 13.Jul 2019

We welcome you to attend the Row Crop Update at the 2019 Mississippi Agricultural Industry Council Annual Convention. This event is hosted at Perdido Beach Resort in Orange Beach, Alabama on Wednesday, July 24 starting at 8:00am.

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2019 Mississippi Rice Field Day – This Thursday August 8

2019 Mississippi Rice Field Day – This Thursday August 8

🕔16:05, 1.Jul 2019

The 2019 MSU-DREC Rice Producer Field Day will be held on August 8, at the Delta Research and Extension Center at 3:30 p.m.  The program will begin at the Capps center with a brief welcome prior to departing for the field

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The Principles of Plant Pathology: The Response of the Host

The Principles of Plant Pathology: The Response of the Host

🕔11:37, 18.Jun 2019

Plant pathogens require a specific set of factors to occur within a given period of time for disease to occur. Oftentimes the disease triangle is the main image behind plant pathology, when a susceptible host, plant pathogenic organism and the environment work together to cause a plant disease. Even though the environment is most often considered the main factor behind the occurrence of plant diseases, the host and the response of the host can also be factored into the occurrence of plant diseases. Defining the different responses of the host (e.g., susceptible versus resistant) is important to understand the level of disease that can occur on a given host.

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2018 Soybean OVT Foliar Disease Evaluations: Maturity Group V

2018 Soybean OVT Foliar Disease Evaluations: Maturity Group V

🕔07:51, 16.Jun 2019

The MSU OVT soybean locations were evaluated for disease during the 2018 season. Multiple diseases were evaluated at multiple locations and are provided in this post. Cercospora blight, Septoria brown spot, southern blight, and target spot were the most commonly encountered diseases during the season.

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Corn Disease Update: June 14, 2019

Corn Disease Update: June 14, 2019

🕔11:51, 15.Jun 2019

Most of the corn disease questions over the past week to 10 days have had to do with diseases in the lower canopy. Common rust has been one of the most commonly observed diseases and continues to be observed once plants reach reproductive growth stages.

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2019 Agronomic Crop Scout Schools

2019 Agronomic Crop Scout Schools

🕔09:46, 9.May 2019

Mississippi State University will be hosting 2 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.

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2018 Soybean OVT Foliar Disease Evaluations: Maturity Group IV

2018 Soybean OVT Foliar Disease Evaluations: Maturity Group IV

🕔17:33, 1.Mar 2019

The MSU OVT soybean locations were evaluated for disease during the 2018 season. Multiple diseases were evaluated at multiple locations and are provided in this post. Cercospora blight, Septoria brown spot and target spot were the three most commonly encountered diseases during the season.

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2018 Soybean Official Variety Trial Phytotoxicity Evaluations

2018 Soybean Official Variety Trial Phytotoxicity Evaluations

🕔15:05, 28.Feb 2019

Evaluations of the entries contained in the MSU Official Variety Trial were screened for their response to a fungicide that produces phytotoxicity. Even though differences exist within the commercially available fungicides regarding the amount of phytotoxicity observed over the past few season, the associated evaluations should provide guidance as to the specific response of commercial variety offerings. As has been stated in the past, no yield losses have been observed to occur as a result of the phytotoxicity associated with the commercially labeled fungicides for application to soybean.

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County Extension Meeting Schedule – February and March 2019

County Extension Meeting Schedule – February and March 2019

🕔13:37, 7.Feb 2019

Mississippi State University Extension will be hosting several county row crop meetings from January through March of 2019. Each meeting will cover issues specific to the region including management topics on agronomics, insects, weeds, diseases, and economics. A meal will

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Response of Cotton Varieties to Target Spot During 2018: Lucedale and Stoneville Evaluations

Response of Cotton Varieties to Target Spot During 2018: Lucedale and Stoneville Evaluations

🕔17:26, 23.Jan 2019

Observations of target spot were made in the MSU OVT location conducted in Lucedale and Stoneville, MS during 2018. Included in this blog post are the observations of disease on leaves as well as the percent defoliation from all 67 varieties included in the 2018 MSU OVT.

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County Extension Meeting Schedule – January 2019

County Extension Meeting Schedule – January 2019

🕔11:27, 20.Dec 2018

Mississippi State University Extension will be hosting several county row crop meetings from January through March of 2019. Each meeting will cover issues specific to the region including management topics on agronomics, insects, weeds, diseases, and economics. A meal will

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