Southwestern Corn Borer, July 18, 2020
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Insects
2020 Bollworm Management in Cotton and Soybean
This last week there have been reports of bollworm eggs starting to show up in Mississippi Cotton. Generally speaking, in a normal year the bollworm flight would begin around July 4th, and peak around the 15th. The wet spring pushed
Heliothine Trap Counts, July 17, 2020
After reporting the first week of catches in the “normal” range last week, bollworm traps were filled with a unusually large number of moths this week, especially in the Northeastern part of Mississippi. Tobacco budworm trap catches remained at average
Rice Insect Update Podcast
http://extension.msstate.edu/mississippi-crop-situation/audio/2020/rice-insect-update Bobby and Jason sit down with Jeff to discuss insect management in rice and what to look for moving forward into the year
Southwestern Corn Borer Traps, July 11, 2020
Trap count continue to increase in many regions of the state, but few are at threshold. As a note, the 2 traps that captured high numbers of moths in Tate county last week were knocked down this week and are
Heliothine Trap Catches, July 9, 2020
After two months of bollworm trap catches running higher than normal, this week the catches are similar to long-term averages. Tobacco budworm catches were also about average for this time of year.
Rainfall and Insecticide Efficacy
With the increase of rain showers this week and tarnished plant bug numbers starting to pick up in some places, now is a good time to revisit the impact of rainfall on insecticide performance. Rainfastness is a complex topic because
Southwestern Corn Borer Traps, July 4, 2020
Trap counts for southwestern corn borer are highly variable this week. We did have two locations in Tate and Leflore Counties that exceeded the threshold this week. As a reminder, thresholds for southwestern corn borer suggest spraying non-Bt corn 7
Heliothine Trap Counts, July 2, 2020
Bollworm pheromone trap catches were higher than long-term averages again this week as they have been all year, while tobacco budworm catches were about the same as long-term averages. As most corn is advancing past the green silk stage, more
Corn Reproductive Stages and Their Management Implications
Corn progresses through six stages as ears develop through reproductive growth stages. Identification of these stages can be helpful for timing development, making prudent management decisions and anticipating crop response to practices and environmental conditions.
Heliothine Moth Trap Catches, June 25, 2020
Bollworm pheromone trap catches were not extremely high this week, but June overall set a new high average trap catch and it the high catches were distributed among most monitored counties. To give some perspective, the highest previous years of
Heliothine Trap Catches, June 19, 2020
Bollworm pheromone moth trap catches have continued to be very high again this week in nearly all traps across the state. Tobacco budworm trap catches were also high in a few traps, suggesting that worm pressure from both species could
Southwestern Corn Borer Traps, June 20, 2020
This is our first week of reporting southwestern corn borer trap counts. We had some numbers reported last week but they were extremely low (0-2). This week, a couple of traps started to pick up more moths, so we may
Early Season Plant Bug Management Utilizing Square Retention
With the season progressing and the onset of pinhead square, square retention will be an important factor in early season plant bug management. Prior to bloom, monitoring square retention is highly recommended as an additional tool to compliment sweep net
Heliothine Trap Catches, June 5, 2020
As I have done every year since 2007, 3 or 4 pheromone moth traps each for bollworm and tobacco budworm have been erected in agricultural regions of Noxubee, Lowndes and Oktibbeha counties. They are checked once per week and the
Foliar Thrips Control Options in Cotton: Pros and Cons
Thrips pressure to date has been a mixed bag. Some areas have reported treatable numbers, while in other areas seed treatments have held well. Going forward, should you need to treat thrips with a foliar insecticide there are a few
Calibration of In-Furrow Sprays
As we finally move into drier conditions and cotton planting is starting full swing, more and more folks are adopting in-furrow sprays for thrips control. We have had several questions regarding calibration of in-furrow sprays. Below are are few tips
Redbanded Stink Bug Survey: Week of 4/27/20
We have sampled enough areas at this point to feel reasonably certain that some areas will experience issues with RBSB this season. To what extent is yet to be determined. We will likely not continue the weekly surveys in weeks
Redbanded Stink Bug Survey: Week of 4/20/20
*Each week we sample, we will add to the previous weeks post with updated map and new counties This year has been unusual to say the least with the COVID-19 outbreak. During this time, worker availability has become our limiting
Redbanded Stink Bug Survey 4/13/20
*Each week we sample, we will add to the previous weeks post with updated map and new counties This year has been unusual to say the least with the COVID-19 outbreak. During this time, worker availability has become our limiting
Grain Sorghum Planting and Management Recommendations
Grain sorghum can be a consistent crop suited for dryland acreage and marginal fields in the Midsouth. It also produces many benefits when grown in rotation with our primary crops. This article outlines important planting practices and management tips needed to grow a successful sorghum crop.
Bollworm Outlook for 2020
The 2019 season was one of the most challenging years we have had from a bollworm standpoint in both cotton and soybeans. The issue was not from a numbers standpoint where the numbers overwhelmed the traits and foliar insecticides. It
2020 Grain Sorghum Hybrid Suggestions
This article lists those grain sorghum hybrids which have produced superior yields in the Mississippi Grain Sorghum Hybrid Trials. This information should improve your ability to select well-adapted sorghum hybrids for your farm based on independent performance testing.
True Armyworm and Stink Bug in Wheat
Armyworms: Over the last few days we have had several reports of true armyworms showing up in wheat. Most of the calls received so far have reported numerous worms at the ground level starting to defoliate up the plant. Once
