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Irby, Trent

Soybean Green Stem Disorder: Brief Survey

Soybean Green Stem Disorder: Brief Survey

🕔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 On-Farm Soybean Variety Demonstration Program Summary

2014 On-Farm Soybean Variety Demonstration Program Summary

🕔21:49, 4.Dec 2014

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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Soybean Variety Suggestions for 2015

Soybean Variety Suggestions for 2015

🕔11:34, 3.Dec 2014

Variety selection is one of the most critical management decisions associated with soybean production. Factors such as soil type, planting date, irrigation capabilities, row spacing, harvest capacity, and others may influence the decision of selecting an appropriate variety for profitable

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Fungicide Phytotoxicity: Check the Fungicide Applied Prior to Blaming SDS

Fungicide Phytotoxicity: Check the Fungicide Applied Prior to Blaming SDS

🕔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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Reminder: Soybean Irrigation Termination Turnrow Talks – August 26, 2014

🕔13:23, 25.Aug 2014

Plan to attend an upcoming Irrigation Termination Turnrow Talk on August 26, 2014 sponsored by the Mississippi Soybean Promotion Board, Mississippi State University Extension Service, and stakeholder organizations of the Delta Sustainable Water Resources Task Force. Soybean producers will have

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Soybean Irrigation Termination

Soybean Irrigation Termination

🕔13:05, 25.Aug 2014

We have reached the point of the growing season where we have begun to terminate irrigation in soybean. When making this decision, the goal is to make sure that adequate soil moisture is available to ensure that the soybean seeds

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Terminating Insect Sprays in Mississippi Soybeans

Terminating Insect Sprays in Mississippi Soybeans

🕔11:56, 15.Aug 2014

We are quickly approaching that time of year where some of the earlier planted fields are turning color and others are approaching R6 vey quickly. Often times many of the insect pest we deal with “pile in” about this time and growers face the tough decision to treat when it may not pay back or try and race them to the end. We have devoted a lot of time and effort in recent years to evaluate and validate thresholds in soybeans under the current growing practices in Mississippi. Through these research efforts we have made several changes to insect thresholds and termination points for insect pest of soybeans in MS.

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North Mississippi Research and Extension Center’s Agronomic Row Crops Field Day on Thursday, August 7

🕔08:39, 25.Jul 2014

The North Mississippi Research and Extension Center’s Agronomic Row Crops Field Day on Thursday, August 7 will present the latest research to the area’s row-crop farmers and consultants. The field day will be from 8 a.m. to 1:30 p.m. at the Lee County Agri-Center Magnolia Conference Center on Highway 145 South in Verona.

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“It ain’t over till it’s over!” / Turnrow Talks

🕔10:18, 21.Jul 2014

“It ain’t over till it’s over!” Amazing as it seems, several producers have not laid poly pipe. After the five plus inches of rainfall we received last week, some producers are questioning the need to lay pipe this late in

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Reminder: MSU/Dow AgroSciences Field Day – Dundee, MS – July 2, 2014

🕔12:22, 26.Jun 2014

Mississippi State University and Dow AgroSciences will be conducting a field day at the farm of Douglas and Chris Hood on Wednesday, July 2, 2014.  The field day will begin at 9 a.m. and will focus on Enlist(TM) Weed Control System in

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Is My Soil Moisture Sensor Broke?

Is My Soil Moisture Sensor Broke?

🕔07:43, 26.Jun 2014

The importance of soil moisture sensors is becoming more evident as we continue forward this growing season. Today (Monday, June 16th), we received a call regarding sensor readings that were assessed early this morning. The following are the data discussed in this scenario.

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Frogeye Leaf Spot Management Suggestions for the 2014 Season

Frogeye Leaf Spot Management Suggestions for the 2014 Season

🕔22:00, 24.Jun 2014

Frogeye leaf spot management continues to be a hot topic during the 2014 season. Scattered reports of frogeye in R3+ soybean fields continue to be made. Most of the questions at this time tend to be regarding fungicide management suggestions at the R3/R4 application timing. Knowing what varieties are planted in fields is one of the most important determining factors since susceptible varieties should be managed differently at R3/R4 than frogeye tolerant varieties.

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Soybean Irrigation Initiation

🕔10:00, 23.Jun 2014

Although we have received lots of rainfall this season, it is time to initiate irrigation in soybean. Keep in mind that irrigation during the early vegetative phase provides little to no yield benefit. The reason to apply irrigation during the

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Soybean herbicide options for delayed postemergence applications targeting Palmer amaranth

🕔16:44, 20.Jun 2014

With most of Mississippi receiving large amounts of rain during early June, opportunities for herbicide applications in soybean have been rare up to this week. Several calls have come in regarding herbicide options in situations where the weather has prevented

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Mississippi State University/Monsanto Company Field Day – July 10, 2014 – Robinsonville, MS

🕔16:17, 13.Jun 2014

Mississippi State University and Monsanto Company will be conducting a field day in Robinsonville, MS on Thursday, July 10, 2014.  The field day will focus on the Roundup Ready(R) Xtend Crop System in cotton and soybeans.  Field demonstrations will include cotton and soybean germplasm

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Mississippi State University/Dow AgroSciences Field Day – Dundee, MS – July 2, 2014

Mississippi State University/Dow AgroSciences Field Day – Dundee, MS – July 2, 2014

🕔15:38, 13.Jun 2014

Mississippi State University and Dow AgroSciences will be conducting a field day at the farm of Douglas and Chris Hood on Wednesday, July 2, 2014.  The field day will begin at 9 a.m. and will focus on Enlist(TM) Weed Control System in

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Soybean Crop Update and Replant Decisions

🕔10:58, 13.Jun 2014

According to the USDA National Agricultural Statistics Service in Mississippi, 89% of the soybean acreage is planted as of the week ending June 8, 2014. At this time, 82% of the crop is emerged. The remaining acres to be planted

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Delta Research and Extension Center’s Agronomic Crops Field Day, June 17, 2014

🕔13:30, 30.May 2014

A corn, cotton, peanut, and soybean field day is scheduled for June 17th at the Delta Research and Extension Center in Stoneville, MS. The general theme of the field day will include pertinent information for mid-season row crop issues.

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Soybean Seedling Emergence Issues: Environmental Stress Compounding Factors

Soybean Seedling Emergence Issues: Environmental Stress Compounding Factors

🕔20:38, 6.May 2014

A substantial number of soybean acres have been reported to be affected by seedling disease. However, the majority of the field seedling issues can be blamed on poor environmental conditions following the planting that occurred around Easter (between April 14 and 19) and some of the residual herbicide products applied.

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Management Practices to Reduce the Development of Fungicide Resistance in Soybean: Part III, Strobilurin-Resistant Frogeye Leaf Spot in Mississippi

Management Practices to Reduce the Development of Fungicide Resistance in Soybean: Part III, Strobilurin-Resistant Frogeye Leaf Spot in Mississippi

🕔15:16, 11.Apr 2014

Strobilurin-resistant frogeye leaf spot continues to be a topic of conversation. During 2012 two MS counties were confirmed to have strobilurin resistant frogeye leaf spot. Since that time a large survey has been conducted in MS to determine how widespread the resistance is within the fungal population in MS.

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Management Practices to Reduce the Development of Fungicide Resistance in Soybean: Part II, Choosing Fungicide Products and Rates

🕔23:05, 1.Apr 2014

Fungicides have become an important management alternative for diseases such as frogeye leaf spot. However, with the addition of the strobilurin-resistant fungus responsible for frogeye leaf spot, caution must be taken when applying fungicides to not increase the likelihood of fungicide resistance from developing. The specific characteristics of the main fungicide classes labeled for application in soybean systems are outlined. In addition, a table that includes the specific components of the pre-mix products when the labeled rates are applied is included.

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Management Practices to Reduce the Development of Fungicide Resistance in Soybean: Part I, Improving Disease Management Practices

🕔16:12, 29.Mar 2014

Fungicide resistance has continued to be a hot topic during the off-season. Since 2010, fungicide resistance within the frogeye leaf spot fungal population has been documented in several states including Mississippi. To prevent the development of fungicide resistance from increasing several important steps can be followed. Several of these specific topics will be outlined in this three part series regarding fungicide resistance.

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The Mississippi State University RISER Program: Efficient Methods for Furrow Irrigation

🕔11:42, 12.Feb 2014

RISER irrigation approach reduces water use by 50% while maintaining yield potential.

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Future of Agriculture Graduate Student Competition Results

Future of Agriculture Graduate Student Competition Results

🕔10:59, 11.Feb 2014

The results from the Second Annual Future of Ag Graduate Student Competition are included in this post.

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2013 Soybean Variety Trial Disease Ratings: Maturity Group V Frogeye Leaf Spot and Cercospora Blight

🕔23:02, 26.Jan 2014

Included in this blog post are ratings collected for frogeye leaf spot as well as Cercospora blight from the 2013 Maturity Group V soybean variety trials. Trials were conducted in Brooksville, Clarksdale (irrigated), Falkner, Longwood, Olive Branch, Raymond, Stoneville (clay and loam). The conventional/LibertyLink trial was only conducted at the Brooksville, Falkner, Longwood, and Stoneville (clay) locations. Ratings were collected based on a 0-9 and are presented from each location for each variety so a range of ratings is available across all environments encountered during the 2013 season.

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