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Disease

Soybean “Mystery Disease” Update

Soybean “Mystery Disease” Update Updated

👤Tom Allen, Extension Plant Pathologist 🕔13:44, 29.May 2015

Over the past several years a root disease of soybean has been observed throughout MS as well as adjacent states. Presently, research is being conducted to determine the causal organism(s) involved in the disease. On Wednesday (May 27), plants in several fields were observed throughout the Inverness as well as Leflore County (Quito) area. The fields have historically had an issue with this particular root disease. Some of the general symptoms and signs of the disease and a general update regarding research project are included in this particular post.

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MSU-DREC Rice Field Day – July 30, 2015 Updated

👤Bobby Golden, Rice and Soil Fertility, DREC, Mississippi State University 🕔15:36, 27.May 2015

The MSU-DREC Rice Producer Field Day will be held in conjunction with the annual Mississippi Farm Bureau Federation Summer Rice Grower Meeting this year on the afternoon of July 30 at the Capps Center in Stoneville.. The Farm Bureau meeting

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Reminder: Scout Schools Start Next Week Updated

👤Angus Catchot, Extension Entomologist 🕔07:32, 23.May 2015

Mississippi State University will be hosting 5 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, weed identification, and

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Wheat Disease Update: April 24, 2015

Wheat Disease Update: April 24, 2015 Updated

👤Tom Allen, Extension Plant Pathologist 🕔10:35, 24.Apr 2015

For the most part the Mississippi wheat crop is clean with regards to foliar diseases. However, some important issues are occurring that need to be addressed with regards to Fusarium head blight, stem maggot feeding, and general herbicide injury as these three issues can easily be confused with one another at the field level.

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2015 Scout Schools Set for Mississippi

2015 Scout Schools Set for Mississippi Updated

👤Angus Catchot, Extension Entomologist 🕔11:02, 8.Apr 2015

Mississippi State University will be hosting 5 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, weed identification, and herbicide systems. There will be numerous hands on displays of insects, weeds, nutrient deficiencies in all major row crops, and fertilizer characteristics. CEU’s Provided: Nutrient Management = 1.5, Integrated Pest Management = 3, Crop Management = 1

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Wheat Diseases to be Mindful of During 2015

Wheat Diseases to be Mindful of During 2015 Updated

👤Tom Allen, Extension Plant Pathologist 🕔15:18, 29.Mar 2015

Wheat diseases can be observed in almost any wheat field throughout the season. However, when wheat moves beyond the tillering growth stages scouting for the presence of foliar diseases should be conducted. Many, but not all of the foliar disease encountered in MS can result in a yield loss. But, additional issues encountered in wheat fields can oftentimes be easily confused for foliar diseases.

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2015 Early-Season Peanut Pointers

2015 Early-Season Peanut Pointers Updated

👤Brendan Zurweller, Extension Peanut Specialist, Mississippi State University 🕔10:01, 26.Mar 2015

While we wait for the fields to dry up enough to get the 2015 planting season underway, here are a few peanut-related issues to pay attention to going into the season. – Jason Sarver • Inoculant usage continues to be

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What is Going On With Generic Azoxystrobin: the active ingredient in Abound, Quadris… Updated

👤Alan Henn, Extension Plant Pathologist, Mississippi State University 🕔17:22, 27.Feb 2015

Updated Tuesday March 10, 2015. Added several new fungicides to the pdf file;Mar.16.update2.azoxystrobin Strobe 2L which has a comprehensive label for field crops, vegetables, turf, and ornamentals. Trevo, (22.9% Azoxystrobin, for use on corn, cotton, rice, and soybeans). Updated Tuesday March

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Soybean Management Symposium Series: February 25 and 26, 2015 Dates CANCELED Updated

👤Tom Allen, Extension Plant Pathologist 🕔14:41, 24.Feb 2015

The previously scheduled Mississippi Soybean Promotion Board seminar dates in Tunica, Verona, and Macon for Wednesday (2/25) and Thursday (2/26) have been CANCELED due to the potential for inclement weather over the next 36 hours. Future dates will be listed on the Mississippi Crop Situation Blog and locations will likely not change. Please stay tuned for further announcements.

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Scouting and Managing Wheat Stripe Rust Infection at Tillering Stages

Scouting and Managing Wheat Stripe Rust Infection at Tillering Stages Updated

👤Tom Allen, Extension Plant Pathologist 🕔11:57, 12.Feb 2015

Stripe rust was detected in wheat in Washington County, MS in the wheat variety trial plots. Wheat fields in MS should be scouted at this time for the presence of stripe rust. Fungicide applications with products in the triazole (DMI) class of fungicides will prevent spread of the disease and in some cases where the disease has occurred and been observed in a wheat field may protect yield.

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Rotation Considerations for Peanut

Rotation Considerations for Peanut Updated

👤Brendan Zurweller, Extension Peanut Specialist, Mississippi State University 🕔11:15, 4.Feb 2015

I have been surveying growers, extension folks, consultants, and industry personnel over the last few weeks and it seems that the consensus is that we are going to significantly increase peanut acreage in the 2015 growing season. I think the

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2015 Delta Ag Expo, Cleveland, MS – January 21 and 22, 2015 Updated

👤Tom Allen, Extension Plant Pathologist 🕔11:27, 16.Jan 2015

Find attached the agenda for the 42nd Annual Delta Ag Expo to be held in Cleveland, MS on Wednesday, January 21 and Thursday, January 22, 2015. We hope to see you in attendance at the Bolivar County Ag Expo Center.

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Soybean Green Stem Disorder: Brief Survey Updated

👤Tom Allen, Extension Plant Pathologist 🕔17:47, 29.Dec 2014

Green stem disorder can be a sporadic issue from year-to-year and field-to-field. In the current blog post a survey is attached whereby individuals can answer five basic questions on their thoughts and opinions regarding the presence of green stem.

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2014 Soybean Variety Trial Disease Ratings, Part III: Maturity Group V Varieties Updated

👤Tom Allen, Extension Plant Pathologist 🕔17:18, 29.Dec 2014

Disease severity was rated for each of the OVT soybean entries at all locations planted during 2014. Varieties were rated using a 0-9 scale where 0=no disease and 9=severe disease symptoms. The attachments on this blog post contain the Maturity Group V early and late entries.

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2014 Soybean Variety Trial Disease Ratings, Part II: Maturity Group IV Varieties Updated

👤Tom Allen, Extension Plant Pathologist 🕔23:12, 2.Dec 2014

Disease severity was rated for each of the OVT soybean entries at all locations planted during 2014. Varieties were rated using a 0-9 scale where 0=no disease and 9=severe disease symptoms. The attachments on this blog post contain the Maturity Group IV and early and late entries. The MG V entries will be along shortly.

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2014 Soybean Variety Trial Disease Ratings, Part I: Conventional and LibertyLink Varieties Updated

👤Tom Allen, Extension Plant Pathologist 🕔21:45, 25.Nov 2014

Disease severity was rated for each of the OVT soybean entries at all locations planted during 2014. Varieties were rated using a 0-9 scale where 0=no disease and 9=severe disease symptoms. The attachments on this blog post contain the Maturity Group IV and V Conventional and LibertyLink entries. The MG IV and V RR entries will be along shortly.

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2014 Row Crop Short Course – End of Pre-Registration Updated

👤Darrin Dodds 🕔11:32, 21.Nov 2014

The 2014 Row Crop Short Course will be held at the Bost Extension Center on the campus of Mississippi State University on December 1-3, 2014. Attendance is free of charge if you pre-register. Pre-registration is available until November 26. Registration

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2014 Row Crop Short Course Preliminary Program Updated

👤Darrin Dodds 🕔15:14, 7.Nov 2014

The 2014 Row Crop Short Course will be held at the Bost Extension Center on the campus of Mississippi State University on December 1-3, 2014. Attendance is free of charge if you pre-register. Pre-registration is available until November 26. Registration

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2014 Delta Area Rice Meeting Updated

👤Bobby Golden, Rice and Soil Fertility, DREC, Mississippi State University 🕔11:45, 7.Nov 2014

The 2014 Delta area/Bolivar Co. Rice Meeting will be held at the Bolivar Co. Extension office on December 4, 2014. Mississippi rice producers, industry professionals, and other interested parties are invited to listen to presentations from MSU research and Extension

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Not all Boll Rots are caused by Bacterial Blight Updated

👤Tom Allen, Extension Plant Pathologist 🕔06:42, 31.Oct 2014

Boll rot appeared to be a common occurrence in numerous cotton fields at the end of the 2014 season. However, not all boll rot can be attributed to bacterial blight, especially in situations where the disease was not observed prior to harvest. Secondary fungal infection can ultimately obscure the observable boll symptoms associated with bacterial blight. Keep this in mind when scouting fields at the end of the season as bacterial blight boll lesions can oftentimes be obscured by secondary fungal invaders.

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2014 North MS Research and Extension Center Soybean Disease Ratings UPDATED 11/17/2014 Updated

👤Tom Allen, Extension Plant Pathologist 🕔22:16, 27.Oct 2014

Variety trials were rated at the NMREC to determine the sensitivity of MG IV and V soybean varieties to frogeye leaf spot as well as Cercospora blight. Varieties were using a 0-9 scale where 0=no disease and 9=severe disease symptoms. Yield data will be available in a few weeks as this post only contains the analyzed rating values for the varieties contained in the trial at Verona.

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MEA-MAPPAN Joint Annual Meeting, October 20-21, 2014 Updated

👤Fred Musser, Research Entomologist 🕔17:58, 14.Oct 2014

The Mississippi Entomological Association and the Mississippi Association of Plant Pathologists and Nematologists will be holding their joint annual meeting on October 20-21, 2014 at the Bost Extension Center at Mississippi State University. The meeting is open to all. Registration

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2014 Row Crop Short Course Updated

👤Darrin Dodds 🕔15:53, 6.Oct 2014

On behalf of the Mississippi State University Extension Service, we would like to cordially invite you to attend the 2014 Row Crop Short Course to be held at the Bost Extension Center on the campus of Mississippi State University from

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Foliar Soybean Disease Update: September 3, 2014 Updated

👤Tom Allen, Extension Plant Pathologist 🕔22:04, 3.Sep 2014

Foliar diseases of soybean continue to be observed throughout the MS soybean production area. At present, no soybean rust has been detected in MS; however, Cercospora blight and frogeye leaf spot as well as several pod diseases (topic of the next blog post) are being observed in numerous soybean fields.

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Fungicide Phytotoxicity: Check the Fungicide Applied Prior to Blaming SDS

Fungicide Phytotoxicity: Check the Fungicide Applied Prior to Blaming SDS Updated

👤Tom Allen, Extension Plant Pathologist 🕔18:28, 31.Aug 2014

Phytotoxicity, associated with the application of some specific foliar fungicide products, has been observed in numerous commercial soybean fields again this season. Keep in mind that the symptoms associated with fungicide phytotoxicity will appear quite similar to sudden death syndrome (SDS). However, SDS only occurs in light soil classes. When scouting fields, keep in mind that an entire field with SDS-like symptoms might be the result of fungicide phytotoxicity, thus not a disease after all.

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