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Posts From Tom Allen, Extension Plant Pathologist

2022 Agronomic Crop Scout School

2022 Agronomic Crop Scout School

🕔09:01, 1.Apr 2022

The Mississippi State Row Crop Team will be hosting three scout schools in 2022.  The program will cover insects, disease, fertility, and agronomy. These events are free of charge, and all are welcome. Each scout school will serve as an

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February 2022 – County Meeting Schedule

February 2022 – County Meeting Schedule

🕔09:43, 2.Feb 2022

Mississippi State University Extension will be hosting several county row crop meetings this month. Each meeting will cover issues specific to the region including management topics on agronomics, insects, weeds, diseases, and economics. A meal will be provided at each

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County Meeting Schedule – January 2022

County Meeting Schedule – January 2022

🕔11:11, 6.Jan 2022

Mississippi State University Extension will be hosting several county row crop meetings this month. Each meeting will cover issues specific to the region including management topics on agronomics, insects, weeds, diseases, and economics. A meal will be provided at each

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2021: Response of Cotton Varieties to Inoculation with Xanthomonas citri pv. malvacearum, the Causal Organism of Bacterial Blight

2021: Response of Cotton Varieties to Inoculation with Xanthomonas citri pv. malvacearum, the Causal Organism of Bacterial Blight

🕔16:15, 27.Dec 2021

Response of the cotton varieties contained within the 2021 Official Variety Trial to bacterial blight following evaluations conducted on inoculated plots from Stoneville, MS are included in this blog post.

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2021 Soybean Stem Canker Inoculated Variety Trial Evaluations

2021 Soybean Stem Canker Inoculated Variety Trial Evaluations

🕔19:09, 17.Dec 2021

The cultivars contained in the Mississippi State University Official Variety Trial (OVT), as well as several additional cultivars, were field-evaluated for their susceptibility/resistance to stem canker. Trials were conducted in Stoneville with toothpick-inoculated plants during the 2021 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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2021 MSU Corn Hybrid Trial Disease Evaluations – Irrigated Locations

2021 MSU Corn Hybrid Trial Disease Evaluations – Irrigated Locations

🕔17:01, 21.Nov 2021

Irrigated locations containing the MSU official corn hybrid trials (OHT) were evaluated for foliar diseases during the 2021 season. Curvularia leaf spot and southern rust were the two most commonly observed diseases. Little if any northern corn leaf blight (NCLB) was observed; however, where observed the evaluations were captured and are contained in the associated tables from each location. Presently, the evaluations from the irrigated locations (n=5) are included in the current post.

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2021 MSU Corn Hybrid Trial Disease Evaluations – Non-irrigated Locations

2021 MSU Corn Hybrid Trial Disease Evaluations – Non-irrigated Locations

🕔17:00, 21.Nov 2021

Non-irrigated locations containing the MSU official corn hybrid trials (OHT) were evaluated for foliar diseases during the 2021 season. Curvularia leaf spot and southern rust were the two most commonly observed diseases. Little if any northern corn leaf blight (NCLB) was observed; however, where observed the evaluations were captured and are contained in the associated tables from each location. Presently, the evaluations from the non-irrigated locations (n=5) are included in the current post.

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2021 Delta Area Rice Meeting Scheduled for November 17, 2021

2021 Delta Area Rice Meeting Scheduled for November 17, 2021

🕔18:17, 21.Oct 2021

The 2021 Delta Area Rice Meeting will be held at the Bolivar Co. Extension office on Wednesday, November 17th, 2021.

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MS Ag Industry Council – 2021 Row Crop Update

MS Ag Industry Council – 2021 Row Crop Update

🕔18:10, 14.Jul 2021

We welcome you to attend the Row Crop Update at the 2021 Mississippi Agricultural Industry Council Annual Convention. This event is hosted at Perdido Beach Resort in Orange Beach, Alabama on Wednesday, July 21 starting at 8:00am.

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2020 Soybean OVT Foliar Disease Evaluations: Maturity Group V

2020 Soybean OVT Foliar Disease Evaluations: Maturity Group V

🕔07:52, 17.Apr 2021

The MSU OVT soybean locations were evaluated for disease during the 2020 season. The MG V entires are contained in the current post. 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. In addition, green stem was also evaluated at multiple locations.

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2020 Soybean OVT Foliar Disease Evaluations: Maturity Group IV

2020 Soybean OVT Foliar Disease Evaluations: Maturity Group IV

🕔17:45, 14.Apr 2021

The MSU OVT soybean locations were evaluated for disease during the 2020 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. In addition, green stem was also evaluated at multiple locations.

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2021 MSU Row Crop Educational Programs – Irrigation Update

2021 MSU Row Crop Educational Programs – Irrigation Update

🕔08:47, 2.Apr 2021

Due to restrictions limiting public gatherings related to the pandemic, the MSU Row Crops Team are releasing some virtual educational programs to help prepare for the upcoming growing season. These programs offer Continuing Education Units for Certified Crop Advisors who

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2021 MSU Row Crop Educational Programs- Soil Fertility Update

2021 MSU Row Crop Educational Programs- Soil Fertility Update

🕔15:22, 19.Mar 2021

Due to restrictions limiting public gatherings related to the pandemic, the MSU Row Crops Team are releasing some virtual educational programs to help prepare for the upcoming growing season. These programs offer Continuing Education Units for Certified Crop Advisors who

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2021 MSU Row Crop Educational Programs- Peanut Production Update

2021 MSU Row Crop Educational Programs- Peanut Production Update

🕔10:02, 11.Mar 2021

Due to restrictions limiting public gatherings related to the pandemic, the MSU Row Crops Team are releasing some virtual educational programs to help prepare for the upcoming growing season. These programs offer Continuing Education Units for Certified Crop Advisors who

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2021 MSU Row Crop Educational Programs – Soybean Planting Considerations

2021 MSU Row Crop Educational Programs – Soybean Planting Considerations

🕔16:09, 5.Mar 2021

Due to restrictions limiting public gatherings related to the pandemic, the MSU Row Crops Team are releasing some virtual educational programs to help prepare for the upcoming growing season. These programs offer Continuing Education Units for Certified Crop Advisors who

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2021 MSU Row Crop Educational Programs – Cotton Production

2021 MSU Row Crop Educational Programs – Cotton Production

🕔09:31, 5.Mar 2021

Due to restrictions limiting public gatherings related to the pandemic, the MSU Row Crops Team are releasing some virtual educational programs to help prepare for the upcoming growing season. These programs offer Continuing Education Units for Certified Crop Advisors who

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2021 MSU Row Crop Educational Programs – Corn Episodes

2021 MSU Row Crop Educational Programs – Corn Episodes

🕔09:12, 26.Feb 2021

Due to restrictions limiting public gatherings related to the pandemic, the MSU Row Crop Team are releasing virtual educational programs to help prepare for the upcoming growing season. These corn episodes include two programs discussing planting practices and stand establishment, as well as soil, water and nutrient management.

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2020: Response of Cotton Varieties to Inoculation with Xanthomonas citri pv. malvacearum, the Causal Organism of Bacterial Blight

2020: Response of Cotton Varieties to Inoculation with Xanthomonas citri pv. malvacearum, the Causal Organism of Bacterial Blight

🕔15:45, 30.Nov 2020

Response of the cotton varieties contained within the 2020 Official Variety Trial to bacterial blight following evaluations conducted on inoculated plots from Stoneville, MS are included in this blog post.

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UPDATE: 2020 Soybean Variety Demonstration Program Summary

UPDATE: 2020 Soybean Variety Demonstration Program Summary

🕔11:06, 23.Nov 2020

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

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2020 Soybean Stem Canker Inoculated Variety Trial Evaluations

2020 Soybean Stem Canker Inoculated Variety Trial Evaluations

🕔15:41, 20.Nov 2020

The cultivars contained in the Mississippi State University Official Variety Trial (OVT), as well as several additional cultivars, were field-evaluated for their susceptibility/resistance to stem canker. Trials were conducted in Stoneville with toothpick-inoculated plants during the 2020 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.

Read Full Article
2020 MSU Corn Hybrid Trial Disease Evaluations – Non-Irrigated Locations

2020 MSU Corn Hybrid Trial Disease Evaluations – Non-Irrigated Locations

🕔09:46, 20.Nov 2020

Non-irrigated locations containing the MSU official corn hybrid trials (OHT) were evaluated for foliar diseases during the 2020 season. Curvularia leaf spot and southern corn leaf blight were the two most commonly observed diseases. Little if any northern corn leaf blight (NCLB) was observed; however, where observed the evaluations were captured and are contained in the associated tables from each location. In addition, and when present, lodging was evaluated on a percent scale to capture any meaningful differences between hybrids. Presently, the evaluations from the non-irrigated locations (n=6) are included in the current post.

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2020 MSU Corn Hybrid Trial Disease Evaluations – Irrigated Locations

2020 MSU Corn Hybrid Trial Disease Evaluations – Irrigated Locations

🕔15:33, 16.Nov 2020

Locations containing the MSU official corn hybrid trials (OHT) were evaluated for foliar diseases during the 2020 season. Curvularia leaf spot and southern corn leaf blight were the two most commonly observed diseases. Little if any northern corn leaf blight (NCLB) was observed; however, where observed the evaluations were captured and are contained in the associated tables from each location. In addition, and when present, lodging was evaluated on a percent scale to capture any meaningful differences between hybrids. Presently, the evaluations from the irrigated locations (n=4) are included in the current post.

Read Full Article
2020 Soybean Variety Demonstration Program Summary

2020 Soybean Variety Demonstration Program Summary

🕔14:58, 10.Nov 2020

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 2020 represented

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Mississippi Soybean Rust Foliar Disease Update: September 5, 2020

Mississippi Soybean Rust Foliar Disease Update: September 5, 2020

🕔15:11, 5.Sep 2020

Soybean rust has been observed to be much more widespread throughout the MS soybean production area this year. Normally, soybean rust is a late-season disease that goes unnoticed and ends up being observed at growth stages when the disease does not likely reduce yield (R6.5+). Soybean rust has been observed for the last three weeks across MS in soybean fields that range from R5.5 to R7. In some specific parts of the state management options have already been suggested due to the rust pressure in adjacent fields.

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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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