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Corn Disease Update: June 24, 2017

Corn Disease Update: June 24, 2017

🕔15:32, 24.Jun 2017

Increased reports of disease in the corn crop in MS have been made over the past week. Normally, as corn matures, the incidence and severity of corn diseases observed with increase. Presently, common rust, Diplodia leaf streak, northern corn leaf blight, and southern rust can all be observed in our corn production system; however, southern rust has only been observed on an extremely limited number of acres to this point in the season.

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Southwestern Corn Borer Trap Counts – June 23, 2017

Southwestern Corn Borer Trap Counts – June 23, 2017

🕔10:34, 24.Jun 2017

 

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Heliothine Pheromone Trap Counts, June 23, 2017

Heliothine Pheromone Trap Counts, June 23, 2017

🕔14:16, 23.Jun 2017

With the exception of Washington County bollworm traps, counts were similar to last week at levels near or below historic averages for both bollworm and tobacco budworm. Therefore worm pressure in susceptible crops should be typical for this time of

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Navigating Fungicide Active Ingredients

Navigating Fungicide Active Ingredients

🕔07:17, 23.Jun 2017

Over the past several years, fungicide pre-mix products have dominated the marketplace. Keeping up with the specific chemical classes within each product can present a challenge. Included in this blog post are some information to aid in making fungicide decisions.

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Keys to Field Identification of Common Versus Southern Rust in Field Corn

Keys to Field Identification of Common Versus Southern Rust in Field Corn

🕔17:38, 21.Jun 2017

Diagnosing common and southern rust in the field can oftentimes be difficult. Subtle differences between the two diseases can occur at different parts of the growing season as well as sections of the crop canopy.

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Heliothine Trap Catches, June 16, 2017

Heliothine Trap Catches, June 16, 2017

🕔14:42, 19.Jun 2017

Pheromone trap catches for bollworm moths were down for the week compared to the previous week. These numbers were also down somewhat from long term averages in both NE Mississippi and in the Delta. Tobacco budworm catches were low in

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Soybean Disease Update: June 18, 2017

Soybean Disease Update: June 18, 2017

🕔19:16, 18.Jun 2017

Limited soybean diseases have occurred throughout the MS soybean production system. Observations of Septoria brown spot and taproot decline have been quite common this season. Lesions that result from herbicide injury have also been commonly observed, but should not be cause for concern.

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Southwestern Corn Borer Traps – June 16, 2017

Southwestern Corn Borer Traps – June 16, 2017

🕔19:54, 16.Jun 2017

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Considerations for Rice Water Weevil Management in 2017

Considerations for Rice Water Weevil Management in 2017

🕔11:13, 10.Jun 2017

We have been getting several calls about adult rice water weevil adults and adult feeding in rice that has gone to flood. In fact, it appears that we are experiencing higher than normal populations this year in many areas of

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Southwestern Corn Borer Trap Counts – June 9, 2017

Southwestern Corn Borer Trap Counts – June 9, 2017

🕔09:49, 10.Jun 2017

 

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Moth Trap Counts for June 9, 2017

Moth Trap Counts for June 9, 2017

🕔17:41, 9.Jun 2017

Pheromone traps are up and recording data in a number of counties around Mississippi again this year. We will try to report the counts weekly to help you maximize your efficiency in scouting crops for worms. Pheromone traps can’t replace

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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.

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Thrips and Herbicide Co-Applications

Thrips and Herbicide Co-Applications

🕔14:34, 2.Jun 2017

There is no question that we are seeing increased tolerance to the seed treatments with tobacco thrips in cotton. We made an effort this year to encourage the use of acephate either in-furrow or as an overtreatment to the normal

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Identifying Corn Reproductive Growth Stages and Management Implications

Identifying Corn Reproductive Growth Stages and Management Implications

🕔16:59, 31.May 2017

Corn reproductive stages generally comprise about 60 days for corn hybrids grown in Mississippi at normal planting dates. Identification of these stages is critical for making prudent management decisions and anticipating crop response to practices and environmental conditions.

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Redbanded Stink Bugs Successfully Overwintered In MS

Redbanded Stink Bugs Successfully Overwintered In MS

🕔13:44, 31.May 2017

In 2009 Redbanded stink bugs (RBSB) were treated in numerous areas of the state but numbers crashed in 2010. In 2013 there were a few fields treated and then they essentially were a non-issue until 2016. We have been hearing

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2017 Cotton Maturity Guide

2017 Cotton Maturity Guide

🕔17:17, 26.May 2017

The updated 2017 cotton maturity guide can be accessed using the link below.  Keep in mind that maturity differences depicted in this guide are in an “everything else being equal” scenario.  A number of factors can affect maturity including (but

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When Should I Park My Cotton Planter?

When Should I Park My Cotton Planter?

🕔17:04, 26.May 2017

It may be the understatement of the year to say that this spring has been very challenging for the agricultural community in Mississippi.  Cool, wet weather seems to disappear then return, wind and sandblasting has caused severe damage to emerged

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Auxin Herbicide Technology Field Day

Auxin Herbicide Technology Field Day

🕔09:07, 23.May 2017

PONTOTOC, Miss. — Row crop producers can learn best practices for adding auxin herbicides to their weed control tool box at a field day June 29. The Mississippi State University Extension Service and Mississippi Agricultural and Forestry Experiment Station will

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REMINDER: 2017 Agronomic Scout Schools

REMINDER: 2017 Agronomic Scout Schools

🕔17:53, 19.May 2017

Mississippi State University will be hosting 4 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, and herbicide symptomology. There

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When is the Right Time to Start Irrigating your Corn?

When is the Right Time to Start Irrigating your Corn?

🕔14:06, 19.May 2017

Deciding when to start irrigating corn can be somewhat confusing because visual clues, such as plant wilting or what your neighbors are doing, are often poor indicators of your crop needs. The key factor for initiating irrigation at the appropriate time is simply thoroughly evaluating soil moisture. This article discusses issues relevant to properly timing your first corn irrigation.

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Sandblasted Cotton/Re-Plant Decisions

Sandblasted Cotton/Re-Plant Decisions

🕔18:08, 5.May 2017

Approximately 20% of the cotton acres intended in Mississippi have been planted; however, given the cool, wet weather as well as high winds in the north Delta over the past several days, a number of re-plants will likely be taking place. 

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Impact of Environmental Conditions on Thrips Management in Cotton and Peanut

Impact of Environmental Conditions on Thrips Management in Cotton and Peanut

🕔18:02, 5.May 2017

We had unseasonably warm weather and good planting conditions during late March and early April. As a result, several cotton and peanut fields have been planted throughout Mississippi over the last month. Unfortunately, the weather has taken a turn for

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Video – How to Identify Corn Vegetative Growth Stages

Video – How to Identify Corn Vegetative Growth Stages

🕔14:50, 5.May 2017

This is a video showing the methods used to determine the vegetative growth stages of corn or sorghum in the field. Further information can be found in the accompanying Mississippi Crop Situation blog article.

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How to Determine Growth Stages of Young Corn or Sorghum

How to Determine Growth Stages of Young Corn or Sorghum

🕔14:33, 5.May 2017

Vegetative growth stages of corn or sorghum are determined by counting the number of fully emerged leaves with leaf collars present. This methodology can be used to anticipate growth and determine appropriate timing of many management decisions, including herbicide application, sidedress fertilizer, etc….

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Flooding in Corn and Soybeans

Flooding in Corn and Soybeans

🕔14:45, 4.May 2017

By now I am sure everyone has seen the pictures of the flooding occurring from recent rains in across the river in Arkansas and Missouri.  Compared to those states, Mississippi has fared pretty well in regards to flooding of young

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