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Posts From Don Cook, Entomologist

EPA Orders Cancellation of Dow’s Sulfoxaflor (Transform)

EPA Orders Cancellation of Dow’s Sulfoxaflor (Transform) Updated

🕔15:55, 13.Nov 2015

By now many of you may have heard that Sulfoxaflor, the active ingredient in Transform, recently lost a major court decision in the Ninth Circuit Court of Appeals. The suit was led by the Pollinator Stewardship Council, beekeepers, and other bee

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2015 Delta Area Rice Growers Meeting: November 5, 2015

2015 Delta Area Rice Growers Meeting: November 5, 2015 Updated

🕔17:01, 1.Oct 2015

The 2015 Delta area/Bolivar Co. Rice Meeting will be held at the Bolivar Co. Extension office on November 5, 2015. Mississippi rice producers, industry professionals, and other interested parties are invited to listen to presentations from MSU research and Extension

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Mississippi State University Turn Row Talk – Clarksdale, August 25, 2015

Mississippi State University Turn Row Talk – Clarksdale, August 25, 2015 Updated

🕔14:57, 20.Aug 2015

An agronomic crops field day will be held at Stovall farms, west and north of Clarksdale on Oakhurst Stovall Road. The field day will be held at Mr. Pete Hunter’s farm shop beginning at 10 am. MSU Extension Specialists will be present to discuss topics in corn, cotton, grain sorghum, peanut, rice and soybean.

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Terminating Spider Mite Sprays in Mid-South Cotton

Terminating Spider Mite Sprays in Mid-South Cotton Updated

🕔07:40, 13.Aug 2015

There has always been a struggle with properly defining the correct cutoff for spider mites in cotton in the Mid-South region. For years we always loosely considered Node Above White Flower 5 (NAWF5 = Cutout) and 650 heat units the

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Dectes Stem Borer: Biology, Damage, and Management in Soybeans

Dectes Stem Borer: Biology, Damage, and Management in Soybeans Updated

🕔09:49, 8.Aug 2015

There have been numerous calls and questions about Dectes Stem Borer over the last few years. It seems that numbers are increasing each year. This is not surprising when you consider the biology of the insect coupled with an increase in soybean acres in MS.

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Soybean Loopers and the Effect of Defoliation on Yield

Soybean Loopers and the Effect of Defoliation on Yield Updated

🕔12:43, 2.Aug 2015

We have been getting calls on loopers showing up in soybean for about 2 weeks. In recent days there have been reports of defoliation exceeding 20% or numbers exceeding threshold in some areas in the central to southern part of the state. The bulk of our soybean loopers typically show mid to late August or even into September so this is a little early but certainly not unusual. Soybean loopers are migratory and work their way north each year from southern latitudes. Early arrival could be due to a number of reasons.

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Bean Leaf Beetles High in Delta Soybean Fields

Bean Leaf Beetles High in Delta Soybean Fields Updated

🕔14:03, 29.Jul 2015

Over the last week we have been getting a lot of calls about extremely high bean leaf beetle numbers. Most calls have come from the Northwest Delta region of the state. We have actually made bean leaf beetle targeted sprays on a number of acres in recent days. Yield loss is caused by defoliation and less frequently by pod feeding

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Controlling the Headworm Complex in Mississippi Grain Sorghum

Controlling the Headworm Complex in Mississippi Grain Sorghum Updated

🕔08:11, 28.Jul 2015

There have been numerous reports lately of high numbers of corn earworm and sorghum webworm in grain sorghum. I have heard some reports of numbers as high as 10X threshold. It is critical to scout and treat as needed to control these pest. There are three species that make up the headworm complex in grain sorghum; the corn earworm (bollworm), fall armyworm, and the sorghum webworm.

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Reminder – MSU DREC Rice Field Day – July 30, 2015 Updated

🕔20:14, 26.Jul 2015

The MSU-DREC Rice Producer Field Day will be held in conjunction with the annual Mississippi Farm Bureau Federation Summer Rice Grower Meeting this year on the afternoon of July 30 at the Capps Center in Stoneville..  The Farm Bureau meeting

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Bollworms Showing up in Soybeans

Bollworms Showing up in Soybeans Updated

🕔16:06, 17.Jul 2015

In just the last 3-5 there have been several reports of bollworms now showing up at threshold numbers in soybeans in the Delta region of the state. In many other areas of the Delta folks are reporting flushing extremely high

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Scouting and Managing Rice Blast

Scouting and Managing Rice Blast Updated

🕔08:40, 17.Jul 2015

Rice leaf blast has been observed most of the rice season throughout the MS Delta. In addition, neck blast has been observed in some fields that were infected early on with the blast fungus.

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Cotton Insect Update: July 10, 2015 Updated

🕔19:02, 10.Jul 2015

Tarnished plant bug populations have continued to be high over the last couple weeks in the Delta. A lot of the cotton is at or near the bloom stage when it is most attractive to plant bugs.

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Reminder: Row Crop Technology Showcase July 15 and 16, 2015 Updated

🕔17:41, 10.Jul 2015

Field days scheduled for next week will highlight crops with new and developing herbicide and insect trait technologies. These field days will be held at the following locations: Brooksville – July 15 The Row Crop Technology Showcase at Brooksville will

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Sugarcane Aphid Update: 7/3/2015 Updated

🕔15:20, 3.Jul 2015

We are now beginning to get numerous calls from around the state about sugarcane aphid infestations. Populations range from very low to well above threshold with treatments becoming more common this week. At this time aphids are being found in the Hills and

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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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Mid-Season Rice Update

Mid-Season Rice Update Updated

🕔15:13, 19.Jun 2015

I would like to call this a midseason rice update, but in actuality we have rice in Mississippi ranging from one leaf to late boot in places, but most of the rice crop should be at or reaching mid-season.  Similar

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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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Rice Stink Bug Update: June 19,2015 Updated

🕔09:36, 19.Jun 2015

As some of the earliest planted rice is getting close to heading, it is time to start thinking about rice stink bug. We have been sweeping headed grass around the Delta for the past two weeks to determine what kind of populations are around.

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Kudzu Bugs Numerous in MS Soybeans This Year

Kudzu Bugs Numerous in MS Soybeans This Year Updated

🕔13:43, 17.Jun 2015

This year we have seen tremendous population growth and expansion of Kudzu bugs from previous years. We have treated some acres already that were at threshold and I am confident that there will be many more to come based on what we are seeing around the state including the Delta region.

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Sugarcane Aphids and Sorghum Midge: MS Grain Sorghum

Sugarcane Aphids and Sorghum Midge: MS Grain Sorghum Updated

🕔10:07, 17.Jun 2015

Over the last 7-10 days reports of sugarcane aphids in grain sorghum are becoming more frequent across the state. To date, I am not aware of any applications going out yet but numbers within some fields are definitely increasing. So far I have had about 10 reports of findings from the Delta region ranging from Cleveland to south of Inverness.

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Reminder: Scout Schools Start Next Week Updated

🕔07:32, 23.May 2015

Mississippi State University will be hosting 5 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, weed identification, and

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Mixed Bag of Early Season Caterpillar Defoliators in Soybean Updated

🕔07:23, 23.May 2015

Over the last couple of weeks I have had numerous calls about caterpillar pest in young soybeans. Most of these have been concerning beans that are still in the vegetative stages (V2-V5). The species that are being found are bollworm, yellowstriped armyworm, green cloverworm, granulated cutworm, alfalfa caterpillar, cabbage looper, garden webworm, and yellowstriped armyworm.

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Managing Stink Bugs in Seedling Corn

Managing Stink Bugs in Seedling Corn Updated

🕔11:01, 8.May 2015

Over the last few weeks we have received numerous calls about brown stink bugs in seedling corn in the Delta region of the state. Stink bugs attack corn by feeding through the stem or even down in the whorl of small corn plants. Typically the area where they feed becomes chlorotic due to enzymes in their saliva.

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High Stink Bug Numbers Being Reported in Some Heading Wheat Fields

High Stink Bug Numbers Being Reported in Some Heading Wheat Fields Updated

🕔07:36, 22.Apr 2015

Calls are starting to come in about stink bugs in heading wheat. It is not uncommon to find numerous stink bugs in wheat after head emergence. Species attacking wheat are typically rice stink bug and brown stink bugs but greens can sometimes be found. While it may seem very alarming, keep in mind it takes extremely high numbers to cause economic damage to heading wheat.

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2015 Scout Schools Set for Mississippi

2015 Scout Schools Set for Mississippi Updated

🕔11:02, 8.Apr 2015

Mississippi State University will be hosting 5 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, weed identification, and herbicide systems. There will be numerous hands on displays of insects, weeds, nutrient deficiencies in all major row crops, and fertilizer characteristics. CEU’s Provided: Nutrient Management = 1.5, Integrated Pest Management = 3, Crop Management = 1

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