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Posts From Don Cook, Research Entomologist

Podcast: Soybean Insect Update: Soybean Loopers and Stink Bugs

Podcast: Soybean Insect Update: Soybean Loopers and Stink Bugs

🕔16:22, 30.Aug 2019

Click icon below to hear MSU Entomologist discuss soybean loopers and stink bugs in MS soybeans.  

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Southwestern Corn Borer Traps – August 1, 2019

Southwestern Corn Borer Traps – August 1, 2019

🕔08:15, 3.Aug 2019

This will be the last week that southwestern corn borer trap counts will be reported since most corn is past the susceptible stage.  

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Podcast: Cotton Insect Update 7/31/19

Podcast: Cotton Insect Update 7/31/19

🕔06:31, 2.Aug 2019

Click the icon below to listen to the latest podcast where Angus Catchot, Jeff Gore, and Don Cook discuss the current insect situation in cotton around the state.

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Southwestern Corn Borer Traps – July 26, 2019

Southwestern Corn Borer Traps – July 26, 2019

🕔13:20, 29.Jul 2019

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Cotton Leafroll Dwarf Virus: First Report in MS in 2019, Identification and Management Considerations

Cotton Leafroll Dwarf Virus: First Report in MS in 2019, Identification and Management Considerations

🕔10:51, 24.Jul 2019

A lot of information regarding a new cotton virus, cotton leafroll dwarf virus (CLRDV), has been swirling around the internet since last fall. A low number of CLRDV-positive samples were detected from Coahoma County, MS last week. The current blog post contains information regarding the virus.

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Southwestern Corn Borer Traps – July 19, 2019

Southwestern Corn Borer Traps – July 19, 2019

🕔21:24, 19.Jul 2019

 

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Podcast: Spider Mite Management and Rainfastness of Insecticides

Podcast: Spider Mite Management and Rainfastness of Insecticides

🕔14:33, 16.Jul 2019

This podcast discusses spider mite management and rainfastness of insecticide. Click the icon below to listen.

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Southwestern Corn Borer Traps – July 12, 2019

Southwestern Corn Borer Traps – July 12, 2019

🕔08:40, 13.Jul 2019

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Bollworm Management in Cotton: 2019 Guidelines

Bollworm Management in Cotton: 2019 Guidelines

🕔14:59, 10.Jul 2019

As we write this article, July 10, 2019, there are only sporadic reports of bollworm eggs beginning to show up in MS cotton. Generally the first big bollworm flight begins around the week of July 4 and peaks around July

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Southwestern Corn Borer Traps – July 5, 2019

Southwestern Corn Borer Traps – July 5, 2019

🕔20:08, 6.Jul 2019

Several traps exceeded thresholds for the week ending on July 5. As a reminder, our current thresholds are 50 southwestern corn borer moths within a weeks time for corn that has not yet tasseled.  From tassel to dent, the threshold

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Podcast: Week of 6/24/19 Insect Pest Update in Cotton and Soybean

Podcast: Week of 6/24/19 Insect Pest Update in Cotton and Soybean

🕔07:21, 29.Jun 2019

Angus Catchot, Jeff Gore, and Don Cook discuss the current situation with insect pests in cotton and soybean for the week of June 24, 2019. Click the image below to listen to the podcast.  

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Southwestern Corn Borer Trap Counts – June 28, 2019

Southwestern Corn Borer Trap Counts – June 28, 2019

🕔20:55, 28.Jun 2019

Southwestern corn borer trap numbers are starting to increase in some areas of the state. Scouting should be intensified over the next couple of weeks.  It is likely some fields will reach threshold numbers over the next 10 days to

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Southwestern Corn Borer Traps – June 21, 2019

Southwestern Corn Borer Traps – June 21, 2019

🕔19:22, 21.Jun 2019

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Podcast: Early Season Insect Management in Cotton

Podcast: Early Season Insect Management in Cotton

🕔13:03, 19.Jun 2019

This podcast discusses threecornered alfalfa hoppers, thrips, and aphids in cotton. Please click the icon below to listen to the podcast.

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Assessing Adult Plant Bug Control Migrating Into Cotton

Assessing Adult Plant Bug Control Migrating Into Cotton Updated

🕔08:31, 13.Jun 2019

Square retention is a critical component of early season plant bug management.  I would strongly encourage you to take square retention counts along with your sweep net counts prior to bloom. Not only does this help in the decision making

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Management of Slugs in MS Row Crops: Podcast

Management of Slugs in MS Row Crops: Podcast

🕔07:17, 24.May 2019

Click to listen Management of Slugs in MS Row Crops Podcast

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Brown Stink Bugs in Seedling Corn

Brown Stink Bugs in Seedling Corn Updated

🕔14:00, 25.Apr 2019

Over the last couple days we have begin to receive a few calls about brown stink bugs in seedling corn in the Delta region of the state. Stink bugs attack corn by feeding through the side of the stem or

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Pesticide Calibration Made Easy

Pesticide Calibration Made Easy Updated

🕔08:00, 24.Apr 2019

Proper calibration of agricultural pesticide application equipment can mean the difference in control or failure of a pesticide against the targeted pest and potentially thousands of dollars of savings to the grower. Many growers are now using rate controllers; however,

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Corn Earworm and Bt Field Corn

Corn Earworm and Bt Field Corn

🕔10:40, 15.Mar 2019

The number of commercial corn hybrids expressing the Vip trait (Leptra, Viptera, and Trecepta) is increasing, and they are being marketed for improved control of ear feeding insects, including corn earworm.  We have been getting questions about these, and yes this

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Seed Treatments in Cotton: 2019

Seed Treatments in Cotton: 2019

🕔08:28, 15.Mar 2019

(UPDATED ARTICLE FROM 2018) Over the years many have questioned whether the use of a seed treatment is considered IPM because they are used prior to the onset of a problem. In our area, and across most of the cotton

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2019 Grain Sorghum Hybrid Suggestions

2019 Grain Sorghum Hybrid Suggestions

🕔14:41, 18.Feb 2019

This article lists those grain sorghum hybrids which have produced superior yields in the Mississippi Grain Sorghum Hybrid Trials and neighboring University trials. This information should improve your ability to select well-adapted sorghum hybrids for Mississippi based on independent performance testing.

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County Extension Meeting Schedule – February and March 2019

County Extension Meeting Schedule – February and March 2019

🕔13:37, 7.Feb 2019

Mississippi State University Extension will be hosting several county row crop meetings from January through March of 2019. Each meeting will cover issues specific to the region including management topics on agronomics, insects, weeds, diseases, and economics. A meal will

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Southwestern Corn Borer Traps: July 6, 2018

Southwestern Corn Borer Traps: July 6, 2018

🕔09:25, 7.Jul 2018

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Southwestern Corn Borer Traps: June 29, 2018

Southwestern Corn Borer Traps: June 29, 2018

🕔10:14, 30.Jun 2018

Southwestern corn borer trap counts were up this week in Coahoma county. As a reminder, our threshold for foliar sprays on non-Bt corn is to spray one week after trap counts exceed 100 per trap from tassel to full dent.

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Potato Leafhoppers in Soybean

Potato Leafhoppers in Soybean

🕔09:13, 28.Jun 2018

Every few years we have a surge of potato leafhopper calls in soybean in MS. This is one of those years. Potato leafhoppers strongly prefer smooth leaf soybean varieties and I suspect that the calls increase on years where popular

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