Back to homepage

Posts From Trent Irby, Extension Soybean Specialist

Mixing Soybean Desiccants with Insecticides

Mixing Soybean Desiccants with Insecticides

🕔21:55, 22.Aug 2017

Over the last few weeks there have been many questions about the legality of mixing insecticides with desiccants applied to soybean. There are several desiccants approved for soybean including Gramoxone, sodium chlorate, Aim 2EC, and Sharpen. There are no issues

Read Full Article
Soybean Harvest Aids and other Late Season Management Considerations

Soybean Harvest Aids and other Late Season Management Considerations

🕔11:02, 19.Aug 2017

Information included in this blog post should aid with making harvest aid decisions.

Read Full Article
Protecting Soybean Seed Quality

Protecting Soybean Seed Quality

🕔11:01, 19.Aug 2017

Information contained in this blog post to aid in the numerous questions regarding seed quality. Seed quality is a moving target and one that is primarily dictated by environment.

Read Full Article
Foliar Soybean Disease Update: August 19, 2017

Foliar Soybean Disease Update: August 19, 2017

🕔10:50, 19.Aug 2017

The disease situation in MS soybean fields has certainly increased over the past 7-14 days. Active aerial web blight, Cercospora blight, soybean rust, and target spot remain the most commonly observed diseases over much of the production area.

Read Full Article
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.

Read Full Article
Entries Due Soon for Mississippi Soybean Yield Contest

Entries Due Soon for Mississippi Soybean Yield Contest

🕔12:29, 20.Jul 2017

Entires for the 2017 Mississippi Soybean Yield Contest are due on August 1, 2017.  Entry Forms can be found at the Mississippi Soybean Association website: www.mississippisoybeanassociation.com.   Some entries have been getting sent back if sent to the address on

Read Full Article
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.

Read Full Article
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.

Read Full Article
2017 Mississippi Soybean Yield Contest

2017 Mississippi Soybean Yield Contest

🕔10:40, 12.Apr 2017

  As we go through soybean planting keep in mind that starting in 2017 the Mississippi Soybean Association in partnership with the Mississippi Soybean Promotion Board will be sponsoring the 1st annual Mississippi Soybean Yield Contest. The 2017 Mississippi Soybean

Read Full Article
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.

Read Full Article
Soybean Planting Dates and Maturity Groups for Mississippi

Soybean Planting Dates and Maturity Groups for Mississippi

🕔13:47, 29.Mar 2017

It is nearly April and many producers are itching to start planting soybeans in Mississippi.  Given that, I figured now would be a good time to re-post some information from a large multi-state study that looked at the interaction of

Read Full Article
You don’t need to push soybean seeding rates

You don’t need to push soybean seeding rates

🕔12:16, 28.Mar 2017

  Last spring I was driving around with a farmer who told me that he was going to plant his soybeans at 180,000 seeds/acre.  When I asked him why, he said “More mommies and daddies make more babies.”  That statement

Read Full Article
Online Auxin Herbicide Training Starts February 13

Online Auxin Herbicide Training Starts February 13

🕔10:17, 3.Feb 2017

Mississippi producers interested in purchasing auxin-containing herbicides intended for in-crop use on 2,4-D- or dicamba-tolerant crops must first complete mandatory online training.

Read Full Article

Soybean Variety Suggestions for 2017

🕔15:34, 7.Dec 2016

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

Read Full Article
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

Read Full Article
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.

Read Full Article
Identifying Late Season Soybean Growth Stages

Identifying Late Season Soybean Growth Stages

🕔22:19, 19.Aug 2016

As we approach soybean physiological maturity, determining the specific soybean growth stage can aid in several important management decisions. Distinct differences exist between the R6 and R6.5 growth stage.

Read Full Article
Soybean Harvest Aids

Soybean Harvest Aids

🕔22:04, 19.Aug 2016

Over the past week, following the excessive rainfall received through most of the soybean production area, several calls have been received regarding soybean seed sprouting in the pods.

Read Full Article
Stink Bugs and Redbanded Stink Bugs in Soybeans- What to do?

Stink Bugs and Redbanded Stink Bugs in Soybeans- What to do?

🕔09:13, 12.Aug 2016

Over the last few weeks we have been getting more and more calls about redbanded stink bug in soybeans. Redbanded stink bugs (RBSB) are voracious seed feeders, infest fields later, and are more difficult to control than greens, southern greens,

Read Full Article
Foliar Soybean Disease Update: July 30, 2016

Foliar Soybean Disease Update: July 30, 2016

🕔07:04, 30.Jul 2016

Foliar diseases continue to be observed throughout the Mississippi soybean production system. Low levels of frogeye leaf spot, Septoria brown spot and target spot have been frequently observed following the rainfall of the past two weeks. The first soybean rust on soybean was observed on Friday in Rankin County, MS on a single leaf in a field of R4/R5 soybeans.

Read Full Article
UPDATED First Soybean Rust of 2016 Detected in Four Southwest MS Counties

UPDATED First Soybean Rust of 2016 Detected in Four Southwest MS Counties

🕔13:23, 25.May 2016

On Tuesday, May 24, 2016, soybean rust was detected on kudzu in Amite, Pike and Wilkinson counties in southwest MS. The observations of soybean rust yesterday mark the earliest appearance of the disease by a little more than 6 weeks as compared to the past. No specific management practices are suggested at this time.

Read Full Article
Flooded soybean fields – Do I need an inoculant?

Flooded soybean fields – Do I need an inoculant?

🕔10:12, 13.Apr 2016

Soybean is a leguminous crop that obtains its nitrogen (N) from an association with a bacterium in the soil called Bradyrhizobium japonicum. The association between the soybean and the bacterium takes place in nodules that form on the soybean roots

Read Full Article
Managing PPO-resistant Palmer Amaranth in Mississippi Soybean

Managing PPO-resistant Palmer Amaranth in Mississippi Soybean

🕔09:19, 25.Mar 2016

Suggested herbicide programs in Mississippi soybean have been updated to address multiple resistance to glyphosate, ALS, and/or PPO herbicides in Palmer amaranth.

Read Full Article

Update: Disease Ratings for 2015 MSU-ES Soybean Variety Demo Program

🕔20:51, 4.Dec 2015

The results of the 2015 MSU-ES Soybean Variety Demonstration Program have been updated to include disease ratings for Cercospora blight, frogeye leaf spot, Septoria brown spot, and Target spot. These evaluations were collected at many locations in 2015 by Dr.

Read Full Article

Soybean Variety Suggestions for 2016

🕔20:37, 4.Dec 2015

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

Read Full Article

Subscribe to receive updates

More Info By