Weed of the Week: Henbit

Weed of the Week: Henbit

🕔10:33, 10.Oct 2012

Henbit is native to Europe and Asia but can be found throughout the United States. It is common in crop fields, roadsides, pastures, and lawns throughout Mississippi.

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Weed of the Week:  Downy Brome

Weed of the Week: Downy Brome

🕔10:19, 26.Sep 2012

Downy brome can be problematic in some areas in winter wheat, pastures, and also in alfalfa.

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Weed of the Week:  Italian Ryegrass

Weed of the Week: Italian Ryegrass

🕔10:39, 10.Sep 2012

Italian ryegrass plants germinate from fall through early spring, are highly competitive, and grow rapidly in the winter and early spring months.

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Weed of the Week:  Texas Millet

Weed of the Week: Texas Millet

🕔08:21, 6.Sep 2012

Texas millet is native to the southern United States and can be found in crop fields, pastures, roadsides, and untended areas in Mississippi.

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Early leaf spot found in the greater Aberdeen area

Early leaf spot found in the greater Aberdeen area

🕔10:49, 5.Sep 2012

Description and symptoms.  Yesterday I looked at some defoliating fields in the greater Aberdeen vicinity. The vines looked like someone had used a set of hedge shears to remove the foliage from between the rows and thin it in the

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The Principles of Plant Pathology: The Disease Triangle and Influence of the Environment

The Principles of Plant Pathology: The Disease Triangle and Influence of the Environment

🕔17:38, 31.Aug 2012

Plant pathogens require a specific set of factors to occur at the same time for disease to begin. More often than not diseases require a prolonged conducive environment before the pathogen can produce observable symptoms.

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Weed of the Week:  Southwestern Cupgrass

Weed of the Week: Southwestern Cupgrass

🕔09:39, 30.Aug 2012

Southwestern cupgrass has become an increasing problem in recent years in Mississippi.

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Predicted conditions surrounding Isaac favor diseases of peanut

🕔21:39, 26.Aug 2012

As of Sunday evening, it appears that Tropical Storm Isaac will slow, turn into a hurricane, and hit our Gulf Coast sometime Tuesday. Rainfall amounts are forecast in inches below I-20 and tropical storm conditions are expected to prevail for

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Week of August 10 Peanut Crop Update

🕔11:08, 10.Aug 2012

As a Plant Pathologist, I tend to divide the peanut crop in Mississippi into growing areas based on the “climate” and soils.  Both influence the type and amount of disease pressure experienced in that growing area and, incidentally, quality and

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August USDA Report Recaps

🕔09:44, 10.Aug 2012

[note: I have a prior obligation today. Here is a quick synopsis of the reports with more to come in later today or over the weekend] This morning USDA’s World Agricultural Outlook Board released their August estimates of U.S. and

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Weed of the Week:  Sicklepod

Weed of the Week: Sicklepod

🕔14:56, 7.Aug 2012

Sicklepod is competitive with row crops during their seedling stages, so the first few weeks after planting are critical for control.

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Last of July/First August Update and Ernesto Advisory

🕔23:53, 5.Aug 2012

Current update Last of July/First of August and Tropical Storm Ernesto Advisory White mold White mold began germinating and growing on dead organic matter in the south about 18 days ago in south central Mississippi, but really started to kill

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Fall Armyworms in Mississippi Crops

Fall Armyworms in Mississippi Crops

🕔19:17, 3.Aug 2012

Fall armyworm can be a challenging pest to find and an even more challenging pest to manage in some crops. The damage that they cause and their management varies greatly from crop to crop. The reason for this is due to their preferred feeding sites on different crops and the presence of host strains.

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Glyphosate-resistant Palmer Amaranth on Turnrows and Ditchbanks

Glyphosate-resistant Palmer Amaranth on Turnrows and Ditchbanks

🕔10:40, 31.Jul 2012

One area of concern in glyphosate-resistant (GR) Palmer amaranth management is controlling this species on turnrows, field borders, and ditchbanks.  Clean crop fields surrounded on turnrows and/or ditchbanks by GR Palmer amaranth is a common sight in areas where it

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Weed of the Week:  Partridgepea

Weed of the Week: Partridgepea

🕔08:55, 31.Jul 2012

Partridgepea is often used as a wildlife forage because of the variety of species that feed off of the plant.

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How Soon Did It Rain After You Sprayed?

How Soon Did It Rain After You Sprayed?

🕔16:32, 13.Jul 2012

Over the past week we have been getting a significant amount of rain across most of Mississippi. Unfortunately, most insects don’t mind the rain. Other than spider mites and aphids, we will likely have to continue managing insects in all crops despite the rain.

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Worms in Peanuts

Worms in Peanuts

🕔10:00, 13.Jul 2012

I am getting a lot of calls about various worms in peanuts.  In nearly every case, it is a complex of multiple species.  It seems that the complex in the Delta region consists mainly of the rednecked peanut worm, granulate

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Southern stem rot or white mold of peanut

🕔07:33, 2.Jul 2012

Discusses the life cycle, management and identification of white mold or southern stem rot of peanut caused by Sclerotium rolfsii. It includes a section on how to distinguish it from a white mold look-alike. Southern stem rot or white mold

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Ditch Bank Survey 6/27/2012

🕔10:46, 29.Jun 2012

Overall, tarnished plant bug numbers appear to be decreasing across the Delta.  Several things are contributing to this decline.  The biggest factor is that the hot, dry weather is starting to take it’s toll on a lot of the wild

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2012 USDA Acreage Report

🕔08:57, 29.Jun 2012

(Correction to Mississippi cotton acreage change from March has been made) The much anticipated, and likely to be much debated, 2012 Acreage report from USDA  was released this morning (June 29). Nationally, the report bumped up the number of acres

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Fall Armyworms in Soybeans and Peanuts

Fall Armyworms in Soybeans and Peanuts

🕔05:28, 29.Jun 2012

We have gotten multiple calls over the last week about fall armyworms in soybeans and peanuts. In every case, it has been a situation where people got behind on grass control when we were getting a lot of rain a couple weeks ago. In those situations, they have sprayed the grass during the last two weeks with products such as Select or Roundup that are relatively slow acting. A lot of the grass is infested with grass-strain fall armyworm and big worms start moving over into the crop about a week to ten days after the application when the grass starts to die.

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Tomato Spotted Wilt, Quick Identification

Tomato Spotted Wilt, Quick Identification

🕔08:30, 20.Jun 2012

Tomato spotted wilt virus (TSWV) has historically been a devastating disease of peanuts. Given the high thrips population this spring and large population of flowering winter weeds known to be TSWV hosts, I was expecting a TSWV year. I was

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Table of Peanut Fungicides Labeled in Mississippi

🕔12:42, 18.Jun 2012

I have been asked for my “cheat sheets” of peanut fungicides labeled for use in Mississippi. Here are two tables, one alphabetized by active ingredient (primary a.i. if more than one a.i.) and the second table alphabetized by Trade Name.

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Peanut Disease Update: week of May 27 – June 1.

Peanut Disease Update: week of May 27 – June 1.

🕔08:04, 7.Jun 2012

Before getting to the state disease summary, a quick note on two diseases common at this time of year, Pepper Spot/Leaf Scorch and funky leaf spot (FLS). Funky Leaf Spot is important because the early symptoms can be confused with

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Weed Control to Weed Management

🕔15:08, 25.May 2012

When glyphosate was effective on most weeds, we were in a period of “weed control”. However, over the last few years since glyphosate-resistant weeds have become so prevalent, we have entered a period of “weed management”.

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