North Mississippi Row Crops Field Day: August 11, 2016, Verona, MS
The North Mississippi Research and Extension Center Field Day is scheduled for August 11, 2016 from 8 am to 1:30 pm with lunch provided.
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Southwestern Corn Borer Trap Counts: July 2, 2016
Southwestern corn borer trap catches appear to be peaking this week. Several counties had individual traps with numbers at or near the current threshold and a couple well above threshold. As a reminder, the current threshold is 50 per trap
Southwestern Corn Borer Trap Counts: June 25, 2016
Southwestern corn borer numbers increased significantly in some areas this week. The highest numbers were 377 caught in Leflore County and 450 caught in Coahoma County. The current threshold in the 2016 Insect Control Guide suggests spraying when 50 moths are caught
Heliothine Trap Catches, June 22, 2016
In the Delta, trap catches of corn earworm and tobacco budworm were similar to last week, which is lower than average for this time of year. However, in the Northeastern Hills, tobacco budworm catches were higher while bollworm catches were
Caterpillars Infesting Field Corn
Much of the corn has reached the reproductive stages, while some is still in the vegetative stages. Several caterpillars, including fall armyworm and corn earworm, can infest corn, especially non-Bt corn, during both stages of development.
2015 Frogeye Leaf Spot Fungicide Evaluations
Numerous fungicide trials were conducted during 2015 to determine the efficacy of fungicides on frogeye leaf spot. Included in this post are the majority of the soybean fungicide trials conducted at R2, R3, and R5 in Stoneville, MS on a FLS-susceptible soybean variety. A total 39 different product or product combinations were evaluated. A summary table is included to highlight a specific product and the trials that particular product was included in.
2015 Root-knot Nematode Soybean OVT Gall Ratings and Yield
The entries contained in the MSU soybean OVT were screened for their sensitivity to the root-knot nematode during 2015. Contained within this blog post are the root galling responses of 133 entries as well as the yield from the RKN infested location.
Soybean Disease Update: June 18, 2016
Soybean diseases continue to be observed throughout the MS soybean production system. Over the past several weeks calls have centered on Septoria brown spot, Southern blight, and some limited questions regarding soybean rust.
Soybean R3/R4 Fungicide Selection
Numerous questions over the past few weeks regarding fungicide product selection for the R3/R4 soybean application timing. Specific comments regarding the efficacy of products on frogeye leaf spot will be presented in an additional blog post. In this post, comments regarding application volume, fungicide application rates and decision on specific products.
Corn Disease Update: June 18, 2016
To date, disease issues in the MS corn crop have remained somewhat quiet. Common rust has been the most prevalent disease as a result of wetter and cooler temperatures until the past 7 to 10 days. As of this morning (6/18/2016), southern rust has not been detected in MS.
Southwestern Corn Borer Trap Counts: June 18, 2016
Overall, southwestern corn borer traps remained low throughout the state. However, one trap in Leflore county captured 178 moths over a 7 day period. Although they do not appear to be widespread, this indicates that there may be pockets with
Pheromone Trap Counts, June 15, 2016
This week’s trap counts were similar to slightly higher than last week and last year for both bollworm and tobacco budworm. However, they are simlar to lower than long term average trap counts for this time of year. Corn is
Is Row Rice in your Future?
Row rice or furrow irrigated rice is once again being investigated by the MSU Irrigation team as an alternative to conventional flooded rice production. Some of you may recall Dr. Joe Street and Dr. Ted Miller worked with Clarksdale’s Leon
Managing Cotton After Uneven Emergence
Numerous instances have been observed this year where multiple growth stages of cotton occur in the same field and in some instances in the same row. This situation can present management challenges throughout the season. The following points are offered
Southwestern Corn Borer Trap Counts: June 11, 2016
All southwestern corn borer trapping locations did not report this week, but numbers were very low across the state. The highest numbers were in the south Delta, but still well below threshold with the highest number being 22 in one trap
Insect Trap Counts, June 8, 2016
Bollworm trap counts were somewhat lower this week in all counties except Lowndes. Tobacco budworm counts were slightly higher than last week, especially in the northeastern Hills region, but still not very high. Most corn is at or approaching pollination,
Transform Section 18 Approved for Use in Mississippi Cotton
The Environmental Protection Agency has now authorized the use of Transform WG (sulfoxaflor) in Mississippi for control of tarnished plant bugs in cotton. For specific details see below.
What is An Acceptable Final Plant Population in Cotton?
This planting season has been challenging for a number of reasons. Cool, wet weather in early May gave way to very dry weather for several weeks thereafter in many areas of the state. Emergence problems have been observed in several areas
Pheromone Trap Counts, June 1, 2016
It is once again time to start posting pheromone trap results to assist you in making insect management decisions. This year we have 3-4 bollworm and 3-4 tobacco budworm pheromone traps in 5 Delta counties and 3 Northeastern Hill counties
How Long Will Residual Herbicides Remain on the Soil Surface Without an Activating Rainfall?
Spring weather has proven challenging once again in 2016. Cool, wet conditions persisted into early May with planting not really getting started on a broad scale until late in the first week of May or the beginning of the second
Irrigation Sensors: A Management Tool
There are many reasons why growers initiate early season irrigation. Activation and incorporation of dry fertilizers and herbicides have been one motivating factor this year. This year, it appears, growers are getting more familiar with utilizing soil moisture sensors as
Spider Mites Showing up in Small Cotton in MS
Spider mites have been becoming more widespread over the last two weeks. Currently we have quite a few acres requiring treatment for spider mites and several that have already received an application. The hot dry weather we have been dealing with
When is the Best Time for the “Tassel Shot” on Corn?
Many corn growers are implementing different “tassel shot” inputs as part of their management program. Questions often arise regarding how critical the application timing is, especially when weather or other issues may complicate timing of such inputs. This article discusses situations when application timing may be very important, as well as those when precise timing is not critical.
Rice Disease Calendar
Included in this blog post are a rice disease calendar. Information presented in the calendar deals with the most commonly observed rice diseases throughout the MS rice production area. In general, the occurrence of diseases on rice will depend on the planting date, general field history as related to previous crop, and the environmental conditions throughout the season.
Corn and Soybean Irrigation Guidelines
As we traveled through Tunica county today we noticed a few growers received a shower or two recently. Elsewhere across the Delta, a shower would be a welcomed Memorial Day event. Over the last couple of days we have received
