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Posts From Erick Larson, State Extension Specialist - Grain Crops

Corn Disease Update: July 4, 2015, Southern Rust Observed in Five Counties (UPDATED @ noon)

Corn Disease Update: July 4, 2015, Southern Rust Observed in Five Counties (UPDATED @ noon) Updated

🕔08:53, 4.Jul 2015

Corn diseases have started to be more commonly observed throughout the MS corn production area. Given the time of year in both calendar date and crop stages (post-tassel) several corn diseases are being observed more often. Northern corn leaf blight, southern corn leaf blight, and Diplodia ear rot have all been observed over the last two weeks. Southern corn rust made an appearance earlier than normal; however, the disease is considered to be at extremely low levels at this time even though five counties (Adams, Claiborne, Coahoma, Forrest, Stone) have been observed to contain infected corn plants.

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Mississippi State University Turn Row Talk – Clarksdale, July 9, 2015 Updated

🕔13:51, 3.Jul 2015

    An agronomic crops turn row talk will be held at Cliff Heaton farms, just east of the intersection of Highway 61 and Highway 6 on July 9, 2015.  The field day will be held in the cotton field

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Row Crop Technology Showcase Pre-Registration Updated

🕔12:28, 26.Jun 2015

Pre-registration is now open for the upcoming Row Crop Technology Showcase events hosted by Mississippi State University. These events will be held at the following locations: Dundee – Douglas and Chris Hood’s farm – July 7 Brooksville – MSU Black Belt

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Mississippi State University Turn Row Field Day: Clarksdale, MS July 9, 2015

Mississippi State University Turn Row Field Day: Clarksdale, MS July 9, 2015 Updated

🕔14:29, 19.Jun 2015

An agronomic crops field day will be held at Cliff Heaton farms, just east of the intersection of Highway 61 and Highway 6. The field day will be held in the cotton field on the south side of the road. MSU Extension Specialists will be present to discuss topics in corn, cotton, grain sorghum, peanut, rice and soybean.

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Be Aware of Wheat Seed Laws

Be Aware of Wheat Seed Laws Updated

🕔15:17, 12.Jun 2015

As wheat harvest is being completed and we begin making marketing and future cropping plans it is important to understand seed laws pertaining to wheat. This article explains the ramifications of PVP and Patent protection pertaining to wheat seed.

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How much Nitrogen have I Lost from Saturated Soils?

How much Nitrogen have I Lost from Saturated Soils? Updated

🕔09:41, 5.Jun 2015

Abundant rainfall has soaked corn fields for extended time during April and late May, exposing nitrogen fertilizer to potential loss. This article gives guidelines for estimating potential N loss.

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What is Appropriate Timing for the “Tassel Shot” on Corn?

What is Appropriate Timing for the “Tassel Shot” on Corn? Updated

🕔15:58, 29.May 2015

More growers are implementing different “tassel shot” inputs as part of their corn management program. Wet weather and other issues may further complicate application timing of such inputs. This article discusses whether specific timing makes a big difference or not?

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Tire Traffic Soil Compaction Effects on Corn

Tire Traffic Soil Compaction Effects on Corn Updated

🕔13:25, 28.May 2015

As a lot of our corn approaches tassel, issues associated with tire traffic soil compaction are becoming more evident. This article discusses the consequences.

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When Should I Start Irrigating My Corn?

When Should I Start Irrigating My Corn? Updated

🕔10:05, 15.May 2015

The recent stretch of dry weather has prompted much conversation about the proper time to initiate irrigation for corn. This scenario usually generates a lot more anxiety than necessary because early season wilting is certainly not something we are very accustomed to.

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Use a Sound Corn Nitrogen Strategy to Combat Rainy Weather Updated

🕔17:31, 24.Apr 2015

Abundant spring rainfall can create havoc with corn nitrogen management by delaying fertilizer application and also promote massive nitrogen loss. These strategies should help enhance crop response during challenging conditions.

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Wheat Disease Update: April 24, 2015

Wheat Disease Update: April 24, 2015 Updated

🕔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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Grain Sorghum Planting and Seeding Recommendations Updated

🕔16:16, 10.Apr 2015

Strong markets are driving Mississippi growers to plant a lot more grain sorghum than what could have been, considering the recent development of Sugarcane aphids as a threat to sorghum production. This article gives guidelines for getting your sorghum crop off to a good start.

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Are We Going to Get this Corn Crop Planted? Updated

🕔17:53, 7.Apr 2015

Much like the last 2-years, as rains delay corn planting progress, more concerns arise regarding whether you will have ample opportunity to plant your corn crop in a suitable time window. This article states new guidelines for late corn plantings based upon recent MSU research.

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2015 MSU Grain Sorghum Hybrid Suggestions Updated

🕔16:40, 18.Feb 2015

This effort lists those grain sorghum hybrids which have demonstrated superior productivity in the MSU MAFES Grain Sorghum Hybrid Trials and neighboring University trials. This information should help you pick well-suited sorghum hybrids for Mississippi.

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2015 Spring Nitrogen Fertilizer Recommendations for Wheat

2015 Spring Nitrogen Fertilizer Recommendations for Wheat Updated

🕔14:23, 12.Feb 2015

Environmental factors play a substantial role in nitrogen fertilization for wheat producers in the Mid-south. This article gives guidelines for getting optimal wheat response to your nitrogen fertilizer.

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

🕔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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2014 Wheat Variety Evaluations for Tolerance to Metribuzin Herbicide Updated

🕔16:22, 12.Dec 2014

Metribuzin is an important herbicide for controlling numerous weed species in wheat. However, wheat varieties may differ in tolerance to metribuzin. These are the results from our evaluation of wheat varieties included in the MSU Wheat Variety Trials. This should help you better assess potential for wheat crop injury.

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2014 Corn Hybrid Demonstration Program Results Updated

🕔13:10, 26.Nov 2014

The MSU Corn Hybrid Demonstration Program evaluates superior corn hybrids from numerous seed companies who market corn in Mississippi. Our objective is to provide you more opportunity to evaluate premier corn hybrids and substantially supplement the independent and unbiased information gathered in the University Hybrid Trials.

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2015 MSU Short List of Suggested Corn Hybrids

2015 MSU Short List of Suggested Corn Hybrids Updated

🕔16:55, 30.Oct 2014

This effort lists those corn hybrids which have demonstrated superior productivity in the MSU Corn for Grain Hybrid Trials. Approximately 80 corn hybrids representing the vast majority of seed companies in the Mid-South participate in the MSU hybrid trials. This information should help you better assess corn hybrid productivity and improve your success in future seasons for either irrigated or dryland culture.

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Keys for Seeding High Yielding Wheat Updated

🕔14:05, 10.Oct 2014

Wheat can be successfully established and grown using many planting methods, but several management practices can certainly enhance your potential for growing a productive crop this season. Those practices include timely planting, appropriate seeding rates and methods, suitable seedbed preparation and fall weed control.

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2014 MSU Short List of Suggested Wheat Varieties Updated

🕔17:52, 23.Sep 2014

This publication lists those wheat varieties which have demonstrated superior productivity in the MSU Wheat and Oat Variety Trials and summarizes their characteristics. This impartial information should help you better assess wheat varieties which are best suited for your farm.

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When is it safe to Apply a Grain Sorghum Harvest Aid and what to Expect? Updated

🕔08:45, 14.Aug 2014

Many growers in the Mid-South apply a herbicide shortly prior to sorghum harvest to facilitate combine efficiency and suitable grain moisture. This season, this issue is even more critically important because of severe harvest problems potentially created by White Sugarcane aphid infestation. This article will discuss appropriate timing and potential outcome of such harvest aid applications.

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Preliminary Wheat Variety Yield Data Updated

🕔17:20, 1.Aug 2014

Preliminary yield data from the 2014 MSU Wheat Variety Trials are now available. This article provides suggestions for analyzing and making variety selection decisions using this data.

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What Should You do about Late Southern Corn Rust? Updated

🕔09:54, 1.Aug 2014

Southern corn rust continues to be observed throughout MS. We continue to receive calls regarding late fungicide applications (> R4/R5) to reduce yield losses attributed to southern rust. Numerous myths regarding the disease have been widely spread throughout the MS corn production area including death of a corn plant in as fast as 7 days following southern rust infection and lodging as a result of heavy southern rust infection.

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White Sugarcane Aphid Update – 8/1/2014 Updated

🕔09:48, 1.Aug 2014

White sugarcane aphid infestations are increasing across the state and more applications are going out to manage this pest. Over the last week to 10 days we have heard about numerous fields that have received a second application. Remember, that the Section 18 label for Transform states that no more than 2 applications can be made in a field.

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