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Posts From Don Cook, Entomologist

Seed Treatments and Thrips 2016: Expectations

Seed Treatments and Thrips 2016: Expectations Updated

👤Don Cook, Entomologist 🕔11:42, 2.Mar 2016

Although commodity prices have not been exciting for any crop we grow, Mississippi is expected to see cotton acres increase as much as 40% this year. As we have been traveling the meeting circuit, the common denominator has been, “What inputs can we cut in an off year?” This has been asked of all crops lately, not just cotton. It seems that seed treatments are the first thing that comes up during this conversation in every crop; however, this is not a viable option in cotton.

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Tarnished Plant Bug IPM and Impact of the Transform Label Cancellation Updated

👤Don Cook, Entomologist 🕔08:12, 5.Feb 2016

We posted an article last spring about utilizing several best management practices in an overall IPM program to manage tarnished plant bug in cotton. We included a pdf that highlights all of the research we have conducted over the last

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Future of Agriculture Graduate Student Competition

Future of Agriculture Graduate Student Competition Updated

👤Don Cook, Entomologist 🕔13:39, 21.Dec 2015

On February 4th 2016, Mississippi State University will host the fourth annual Future of Agriculture Graduate Student Competition. The competition will be open to M.S. and Ph.D. students working in production agriculture. Over the last several years, there has been

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2016 Insect Control Guide Now Available

2016 Insect Control Guide Now Available Updated

👤Don Cook, Entomologist 🕔07:59, 16.Dec 2015

The 2016 Insect Control Guide for Agronomic Crops is now available online. Hard copies will be available in January. Notable changes this year include the removal of pyrethroid insecticides for bollworm control in all crops due to resistance and poor

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EPA Orders Cancellation of Dow’s Sulfoxaflor (Transform)

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

👤Don Cook, Entomologist 🕔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

👤Don Cook, Entomologist 🕔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

👤Don Cook, Entomologist 🕔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

👤Don Cook, Entomologist 🕔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

👤Don Cook, Entomologist 🕔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

👤Don Cook, Entomologist 🕔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

👤Don Cook, Entomologist 🕔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

👤Don Cook, Entomologist 🕔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

👤Don Cook, Entomologist 🕔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

👤Don Cook, Entomologist 🕔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

👤Don Cook, Entomologist 🕔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

👤Don Cook, Entomologist 🕔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

👤Don Cook, Entomologist 🕔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

👤Don Cook, Entomologist 🕔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

👤Don Cook, Entomologist 🕔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

👤Don Cook, Entomologist 🕔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

👤Don Cook, Entomologist 🕔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

👤Don Cook, Entomologist 🕔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

👤Don Cook, Entomologist 🕔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

👤Don Cook, Entomologist 🕔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

👤Don Cook, Entomologist 🕔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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