Experts Weigh In On Managing Soybean Insects

Brown Marmorated Stink Bug

When it comes to insect pest management in soybeans, the only certainty is that without the proper understanding of pest dynamics and best management strategies, the risk of crop damage and yield loss increases substantially. This was the subject of CropLife Media Group’s recent webinar, “Soybean Insects: Managing The Shifting Pest Dynamics,” presented by Dr. B. Rogers Leonard, professor of entomology, Louisiana State University Agricultural Center, and Dr. Jim Johnson, technical support representative, Syngenta Crop Protection.

Improving Management Strategies

Over the last decade, there have been several factors that have caused the soybean pest complex to change, said Leonard during the Syngenta-sponsored webinar. Changes to pest diversity, populations and soybean production/IPM strategies within ag landscapes have contributed to a shifting pest dynamic.

An agricultural landscape, or farmscape, involves the interaction of all crops/plants across a farm/production region that may impact insect pests attacking soybeans, Leonard said.

“We need to begin thinking about farm regions rather than individual fields,” he said. “We have to take into consideration these farmscape interactions both on and around all farms.”

Some factors affecting the shifting pest dynamics include the large scale removal of cropland, agronomic practices such as conservation tillage programs and multi-cropping.

In addition, it is important to be aware of potential effects from field borders, such as ditch banks, river systems, CRP-WRP land and pastures, Leonard said.

“These areas are providing alternate hosts that serve to produce insects,” he said. “It is difficult to apply chemical control strategies that have any persistence if there is a continuous immigration of pests from a nontreated refuge immediately adjacent to the crop field.”

Weed resistance and herbicide use strategies can also impact the input costs for insect control, Leonard said.

“Weeds such as marestail, Italian ryegrass, pigweed and waterhemp are becoming in-field refuges for insect pests because they are not being effectively controlled,” he said. “If we can apply the proper weed control strategies we can perhaps save input costs on managing insects later in the season.”

Leonard said there are several ways growers and dealers can improve their management strategies. They include establishing large blocks of consistent acreage for a single crop, using insecticide seed treatments, modifying sampling protocols, considering co-application of products to manage multiple species and eliminating alternate hosts in advance of seeding the crop.

3 Invasive Species

During a recent Webinar with the CropLife Media Group, Dr. B. Rogers Leonard, professor of entomology at Louisiana State University, said there are at least three invasive insect species that are currently moving across the U.S.:

Redbanded stink bug. A consistent, difficult-to-control pest across the entire Gulf south, ranging from Texas to Missouri and back to Alabama.

Bean plataspid. Has moved from Georgia and Alabama up north to the Carolinas.

Brown marmorated stink bug. A pest that has moved from the Central Atlantic states into soybean production areas in the Midwest.

Soybean Insect Control Tools

During the webinar, Dr. Johnson reviewed insect control tools that Syngenta offers: Warrior II/Karate with Zeon technology and Endigo ZC.

The active ingredient in Warrior II /Karate, lambda-cyhalothrin, offers a number of benefits, including extended residual activity at low use rates, broad spectrum control, longer suppression of secondary pest populations and a 30-day preharvest interval. Zeon technology provides Warrior II /Karate with a water-based formulation in a thin polymer capsule, Johnson said, which contain a UV protectant, adhere strongly to plant surfaces, offer fast pest knockdown and reduce handler and applicator exposure by placing a barrier around the active ingredient.

Johnson also discussed a newer insecticide from Syngenta, Endigo ZC. Formulated as a premix, Endigo ZC contains the active ingredients lambda-cyhalothrin and thiamethoxam.

“Endigo ZC is an effective rotation product for insect resistance management because it delivers two modes of action from full labeled rates of two highly effective active ingredients,” Johnson said.

Leave a Reply

Insecticides Stories
InsecticidesHow To Scout For Corn Earworms In Corn
July 28, 2014
In her weekly report, University of Missouri Agronomy Specialist Jill Scheidt discusses what to look for when scouting for corn earworm. Read More
InsecticidesEPA Grants Besiege Insecticide Additional Approvals
June 18, 2014
EPA has granted additional registration approvals for the use of Syngenta's Besiege insecticide on sorghum, cereal grains and peanuts. Read More
InsecticidesPrevathon Insect Control Approved For Cereal Crops
January 13, 2014
DuPont's Prevathon insect control powered by Rynaxypyr has received U.S. EPA registration for use on cereal crops, including wheat, most other small grains and sorghum. Read More
InsecticidesInsecticides 2014: Insect Pressure, Solutions On The Rise
January 2, 2014
Bt resistance, weather concerns and myriad other issues have led to an increase in both traditional pest pressures as well as new pests. Read More
Top 100 Articles
CropLife 100BRANDT Commemorates National Ag Day
March 20, 2015
The Illinois agriculture community gathered at BRANDT global headquarters on March 18 to celebrate National Ag Day behind this year's theme Sustaining Future Generations. Read More
Wheat Growers, North Central Farmers Elevator Pursue Merger
CropLife 100Wheat Growers, North Central Farmers Elevator Pursue Merger
March 3, 2015
Two CropLife 100 retailers — South Dakota Wheat Growers (ranked No. 11) and North Central Farmers Elevator (No. 19) — have entered into a Letter of Intent to unify the two companies into a newly named cooperative. Read More
Growmark Group
CropLife 100GROWMARK In 2015: Back, To The Future
March 2, 2015
The nation’s third largest ag retail organization is simultaneously moving forward while remembering its past. Read More
CropLife 100Pinnacle Expands Sanders Brand In The South
February 27, 2015
Pinnacle has acquired Hopkins Seed and Chemical in Qulin, MO, which expands the company's Sanders brand to nine Southern states. Read More
CropLife 100Pinnacle Launches New Providence Agriculture Location In Indiana
February 27, 2015
Pinnacle Agriculture Holdings — ranked No. 6 on the CropLife 100 — has established a new retail location in New Castle, IN, which will operate as part of Pinnacle's Providence Agriculture brand. Read More
Carl Casale of CHS
CropLife 100Cooperative CHS Returns $518 Million To Owners
February 23, 2015
The 2015 cash return to owners is based on CHS net income of $1.1 billion, the company's second highest on record. Read More
Latest News
FungicidesSyngenta Suing Willowood Over Azoxystrobin Fungicide
March 27, 2015
Syngenta announced today that it has sued agrochemical maker Willowood, LLC., for patent and copyright infringement, as well as unfair Read More
ManagementRetail Week: The Future Of Mycogen Seeds; The 4Rs At Na…
March 27, 2015
Editors Eric Sfiligoj and Matt Hopkins discuss recent trips, including a look at the future of Mycogen Seeds at Dow Read More
Eric SfiligojMonsanto Hears The WHO
March 27, 2015
Another challenge to the safety of glyphosate, and the responses from supporters and opponents, calls to mind a classic Dr. Seuss story. Read More
Industry NewsMonty’s Plant Food Expands Sales Team
March 27, 2015
Monty’s Plant Food Company, a leader in natural soil enhancement and  plant fertility products, has hired Andrew Bullock as a Read More
Crop InputsSyngenta Louisiana Plant Poised For 2015 Production
March 26, 2015
As the 2015 planting season gets underway, growers across the country will need crop protection products to combat pests and Read More
Lake Erie Nutrient Stewardship
LegislationOhio Lawmakers Finalize Phosphorus Restrictions
March 25, 2015
State lawmakers on Wednesday finalized new rules designed to curb toxic algal blooms on Lake Erie, calling the regulations a major step forward in addressing the problem. Read More
Spreaders17 Fertilizer Spreaders For 2015
March 25, 2015
Manufacturers shoot for versatility and accuracy in this year's crop of fertilizer spreaders. Read More
Industry NewsMonty’s Hires Mid-South Product Consultant
March 25, 2015
Monty's Plant Food Co. has hired Matt Woodring as a Product Consultant for portions of Central Kentucky and Tennessee.    Read More
StewardshipMapShots Integrates With DriftWatch
March 23, 2015
Growers and agricultural providers using AgStudio FARM and AgStudio PRO can now view vital information about specialty crops and apiaries through a recent integration with the DriftWatch Specialty Crop Site Registry from FieldWatch, Inc. Read More
Crop InputsWorld Health Organization Report Contradicts Scientific…
March 23, 2015
A new report from the World Health Organization has classified glyphosate with a “2A” rating as a probable carcinogen, a Read More
Eric SfiligojSeed Treatment Stays Necessary
March 20, 2015
Grower-customers looking to scale back spending in 2015 won’t consider seed treatment, say experts. Read More
HerbicidesMARCH MADNESS: Industry Rallies Around Glyphosate Safet…
March 20, 2015
A newly published report from the International Agency for Research on Cancer (IARC) classifies the herbicide glyphosate as a "2A-rated possible carcinogen" and the ag industry responds by circling the wagons. Read More
ManagementRetail Week: Precision survey, a technology acquisition…
March 20, 2015
Editors Paul Schrimpf and Eric Sflilgoj discuss recent travel, the upcoming precision adoption survey, and an unusual sighting at a Read More
CropLife 100BRANDT Commemorates National Ag Day
March 20, 2015
The Illinois agriculture community gathered at BRANDT global headquarters on March 18 to celebrate National Ag Day behind this year's theme Sustaining Future Generations. Read More
Crop InputsBioSafe Launching TerraGrow Soil Inoculant
March 20, 2015
TerraGrow is a blend of beneficial bacterial and fungal spores and nutrients carefully designed to promote healthier soil and crops. Read More
Winter Wheat
AdjuvantsMax Systems Debuts New Adjuvant NanoRevolution 2.0
March 18, 2015
Added to a tank mix of glyphosate at the conservative rate of two to four ounces per acre, NanoRevolution 2.0 has proven effective in killing resistant weed species that had already had up to two applications of the leading glyphosate product. Read More
Photo credit: United Soybean Board/the Soybean Checkoff
Seed/BiotechAgnition Launches Microbial Catalyst Seed Treatment
March 18, 2015
Agnition it has launched Commence for Soybeans, a microbial catalyst seed treatment for soybeans that stimulates microbial activity for healthier soil and a superior growth environment. Read More
4R Certified, Nutrient Stewardship Council,
StewardshipTyler Grain & Fertilizer Now 4R Certified
March 18, 2015
The 4R Nutrient Stewardship Certification Program has announced Tyler Grain & Fertilizer Co. in Smithville, OH, has been added to Read More