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Cook, D.

Bollworm Update Cotton/Soybean

🕔10:19, 21.Jul 2012

This year started out with most folks expecting higher than usual bollworm numbers due to the mild winter. Couple that with increased corn acres and the perfect storm was thought to be brewing. This is why entomologists get “shifty” when

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First Findings of Kudzu Bugs in Mississippi

First Findings of Kudzu Bugs in Mississippi

🕔18:07, 18.Jul 2012

On Friday July 13th a former graduate student from Clemson was traveling through the Vicksburg, MS area where she stopped at a gas station and noticed six adult kudzu bugs on a vehicle in close proximity to a kudzu patch. 

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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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R.R. Foil Plant Science Research (North Farm) Center Field Day – July 19, 2012

🕔18:26, 3.Jul 2012

It has been a number of years since a field day was conducted at the R.R. Foil Plant Science Research center near the campus of Mississippi State University.  To that end, a row crop field day will be held on

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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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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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Delta Research and Extension Center’s Corn/Soybean (July 19) and Rice (July 31) Agronomic Crop Field Days

🕔11:25, 13.Jun 2012

The DREC will be holding two separate field days, one for corn and soybean on July 19 and one for rice on July 31.

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Thrips in Peanuts and Their Impact on Tomato Spotted Wilt Virus (TSWV)

Thrips in Peanuts and Their Impact on Tomato Spotted Wilt Virus (TSWV)

🕔11:14, 4.May 2012

There have been a lot of questions recently about thrips control in peanuts. In general, thrips will not hurt peanut yields except in EXTREME situations. Peanut seedlings are relatively vigorous compared to most of the crops grown in Mississippi. Foliar insecticide applications, though rarely needed, should be based on plant injury rather than thrips numbers.

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Southwestern Corn Borers Showing up Early in Non-Bt Corn

Southwestern Corn Borers Showing up Early in Non-Bt Corn

🕔12:03, 1.May 2012

Yesterday (4/30), I had a call from a consultant who found about 20% infestation of 3-4 day old SWCB in Non-Bt, V6 stage corn in the Minter City area. There were places in the field that averaged 40-50% infestation, but overall was about 20%.

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The Corn Refuge Conundrum for the South

🕔10:44, 1.Mar 2012

Word on the street is there will be many more corn refuge checks in 2012 in cotton growing regions. This is due to decreasing compliance over the last couple of years.  However, it is getting so complicated that one grower

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Seed Treatment Options for Cotton, Soybeans, and Corn

🕔08:36, 12.Jan 2012

The numerous options for seed treatments can sometimes be confusing. They also change depending on what company you are buying from. Generally, they all perform well for what pests they are targeting but there are differences that you need to be aware of. Below is a link to an article Scott Stewart, The University of Tennessee, posted that breaks down most of the options very clearly.

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2011 Row Crop Short Course

🕔09:40, 7.Nov 2011

On behalf of the Mississippi State University Extension Service we would like to cordially invite you to attend the 2011 Row Crop Short Course to be held at the Bost Extension Center on the campus of Mississippi State University from

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Insect Trap Counts, July 28, 2011

Insect Trap Counts, July 28, 2011

🕔14:58, 29.Jul 2011

Bollworm, budworm and beet armyworm trap catches remained similar to last week with moderate densities of bollworm in all areas of the state. Southwestern corn borer trap captures increased in most areas this past week, indicating the onset of the 3rd generation for the

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Insect Trap Counts, July 21, 2011

Insect Trap Counts, July 21, 2011

🕔23:04, 22.Jul 2011

Bollworm trap counts were higher this week throughout the state and tobacco budworm counts were higher in the Delta. Southwestern corn borer counts were relatively low this week, but started to rise this week in many areas, signaling the beginning

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UPDATE: Bacterial Blight of Cotton

UPDATE: Bacterial Blight of Cotton

🕔11:38, 21.Jul 2011

Over the past 7 days, numerous cotton fields have been determined to be infected with bacterial blight, caused by Xanthomonas axonopodis pv. malvacearum (formerly Xanthomonas campestris pv. malvacearum).  In addition to the growing number of acres in MS having been

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Insect Trap Counts, 7-14-11

Insect Trap Counts, 7-14-11

🕔15:17, 15.Jul 2011

Bollworm, tobacco budworm and beet armyworm pheromone trap captures remained similar to last week. Southwestern corn borer trap counts were lower this week, indicating that the second generation peak has past. One field in Leflore County had SWCB trap captures of

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Insect Trap Counts, July 7, 2011

Insect Trap Counts, July 7, 2011

🕔09:33, 8.Jul 2011

Insect pheromone trap counts for the last week were steady to slightly lower for all species as a whole. Bollworm catches remained fairly high in some delta counties. Typically this week would have been the peak catch for second generation southwestern corn

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Insect Trap Counts, June 30, 2011

Insect Trap Counts, June 30, 2011

🕔14:48, 1.Jul 2011

Overall not much change in insect trap counts from last week. Bollworm counts were somewhat higher in the Delta and Central MS regions, tobacco budworm counts were lower in all regions, especially in the Delta were no budworms were caught this week.

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Insect Trap Counts, June 23, 2011

Insect Trap Counts, June 23, 2011

🕔11:28, 24.Jun 2011

Pheromone trap counts for bollworm, tobacco budwrom and beet armyworm were all similar to last week in all regions. Counts of tobacco budworm and beet armyworm are high compared to historical data, especially in the central part of the state.

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Insect Trap Counts, June 16, 2011

Insect Trap Counts, June 16, 2011

🕔16:35, 17.Jun 2011

Pheromone catches of bollworm (corn earworm) came down slightly this week while tobacco budworm and beet armyworm catches are increasing, especially in Central MS. Southwestern corn borer traps indicate that the sewcond generation has begun. Most traps are still fairly

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Insect Trap Counts, June 9, 2011

Insect Trap Counts, June 9, 2011

🕔11:44, 10.Jun 2011

Pheromone trap counts for the week ending on 6-9-2011 show higher tobacco budworm and beet armyworm counts from the previous week. Corn earworm counts were similar to last week. All three of these insects are at levels where treatable larval populations

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Insect Trap Counts, June 2, 2011

Insect Trap Counts, June 2, 2011

🕔16:04, 3.Jun 2011

Corn earworm (bollworm) pheromone trap counts were higher this week, so larvae should be expected in vulnerable crops shortly. Tobacco budworm counts were also higher except in the Delta where none were caught this week. Southwestern corn borer counts are

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Southwestern Corn Borer, Bollworm, Budworm and Beet Armyworm Trap Catch, 5-26-11

Southwestern Corn Borer, Bollworm, Budworm and Beet Armyworm Trap Catch, 5-26-11

🕔17:14, 26.May 2011

Weekly pheromone trap captures from Northeast, Central and Delta regions of Mississippi are reported. Catches indicate moderate bollworm pressure with very few tobacco budworms and beet armyworms caught during the week of May 19-26. Southwestern corn borer pressure is generally light

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Thrips Species Present in Mississippi Cotton

🕔14:34, 26.May 2011

By now everyone is fully aware that we have been and still are experiencing extremely high levels of thrips in cotton. To date, many fields have been treated with foliar insecticides and several have required repeat applications due to extremely high numbers and frequent re-infestations.

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Rice Insect Update

🕔09:14, 13.May 2011

The reason for this post is to give an update on insect pests that we may be seeing in the near and distant future. First, we had several wheat fields around the Delta that had some fall armyworms. In addition, we are seeing a fair number of fall armyworms in whorl stage corn. I wouldn’t say the numbers we are seeing are anything of great concern, but the numbers are higher than we normally see this time of year. This tells us that fall armyworms are in the environment and capable of moving into rice. As the wheat is drying down, make sure to keep a close eye on field edges, especially those fields adjacent to wheat.

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