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HEFTY RESEARCH TEAM

Across much of North Dakota and Northwest Minnesota now is the time to protect the crop that you have been trying to keep healthy and weed-free all season long. Aphids are showing up in many soybean fields, especially fields not protected with insecticidal seed treatments, and foliar treatments are being made with a final herbicide or flowering fungicide application. The forecast is set for disease pressure to increase over the next week and being proactive with early fungicide in all crops can protect a lot of yield from disease and heat stress. With these fungicide applications on any crop, I recommend fulvic acid or a transporter product like Nutex EDA to help move product into that plant and set it up to be more efficient during this reproductive stage.

-Seth Hanson

Soybean aphids are starting to show up in areas. A plot I was in last week had a seed treatment trial in it – the untreated soybeans were at or very close to the threshold while the full seed treatment with insecticide had virtually no aphids. Experience tells me that the treated beans will still need to be sprayed but will probably have another couple of weeks before the threshold is met.

-John Wiese

IDAHO

BUHL, ID

Keep an eye out on corn fields that are tasseling for adult rootworm beetles. They can take quite a few bushels by clipping silks when the corn is pollinating. Steward is a great option to take care of them with 2 plus weeks of residual and no worries of flaring spider mites as a side effect.

-Tyson Goossen

Early-dig potatoes are getting close to harvest. Check pre-harvest intervals on your last blight spray. Zing is a great option for a 7-day pre-harvest.

-Dusty Danos

IOWA

ROCKWELL, IA

Having coverage with fungicides is critical now more than ever. Fulltec adjuvant at 3 oz and Nutex EDA at 8 oz will aid in coverage and plant uptake.

-Todd Robeoltman

It is hard to completely control all adult rootworm beetles with one spray application. With variable timing for application, single spray “beetle bombing” is a big challenge. Males typically hatch first, while females egg layers typically hatch later. Spraying Steward at 11.3 oz is superior with the greatest residual.

-Meredith Bartness

Plants demand potassium uptake in the middle to late season. Applying Sure K at 2 gallons or Ferti Rain at 3 gallons are both good options.

-Tyler Nuehring

With the limited sunshine this season due to smoke, fog, and cloud cover, one option you have is to apply Boost 10. It contains all the essential amino acids plants need and it directly aids in photosynthesis efficiency. Applying early in the reproductive stages, use Boost 10 at 10 ounces. It will assist in gaining color, growth, and yield for corn, soybeans, and alfalfa.

-Colbie Schmitt

A common question I have heard recently is “Can I increase pollination of corn?” The answer is Yes! Near or before VT (vegetative tassel) in corn, applying Amass at 1 pint will enhance pollination at R2, which comes after the R1 silking stage. Nutex EDA at 8 ounces will aid in plant uptake. Precisive, an NPE/APE free adjuvant, is another alternative to ensure spray coverage without risks of arrested ear syndrome.

-Paul Helland

SHELDON, IA

Now is the time to get your fungicides applied. We are not seeing much disease yet but the yield potential in many fields is very good so farmers are doing what they can to protect it. While spraying a fungicide, you can add other things like insecticide, foliar nutrition, and even plant growth promotants along with the pass to keep things looking good.

-Adam Sauer

MINNESOTA

EAST GRAND FORKS, MN

It is important to check your soybean fields for aphids and other insects that can hurt your overall crop. If you have some, it only costs a few bucks an acre to take care of them before they become a bigger problem.

-Ethan Buskness

Beans in the north are in their most important growth stages now. With more and more fields flowering and being in the R1-R2 range, the most important thing a farmer can do for their beans in this stage is to protect the bean’s flowers from disease. Late-season/reproductive season fungicides are exactly what you want on your beans to keep them on track for a high bushel yield.

-Josh Pippin

FAIRMONT, MN

OLIVIA, MN

Make sure when you’re staging soybeans for either herbicide or fungicide spraying you are doing it correctly. Many people look at this incorrectly in my opinion, often calling R3 when they see a pod anywhere on the plant. R3 actually begins when you see a 3/16th inch long pod in the upper 4 nodes on the main stem. This can be quite a difference so just make sure you are checking the stage for optimal timing.

-Mike Bates

HANCOCK, MN

OLIVIA, MN

Soybean Aphids have already started showing up in high numbers in different areas. Keep scouting the soybeans so they don’t damage yield. The return of Lorsban has made this issue simple. With 1 pint/ac you can take care of all the harmful insects in the field.

-Aaron Erdahl

Beans are in R2 to R3 (full flower to a beginning pod) and corn is mostly just starting the VT stage. Our area has experienced ideal conditions for white mold and fungi with the twice a week rains and the heavy dews for several day stretches. This gives the white mold sclerotia time to grow into mushrooms (apothecia). The mushrooms eventually burst to spread spores to the infection points, which in soybeans is the dying flowers. The one positive thing about this weather pattern is that all crops absorb foliar-applied fungicides and micro-nutrition better because the leaves are not dried out and waxy. Another way to ensure absorption is to apply some Nutex EDA or FulFour, which have either transporter technology or fulvic acid to help open leaf stomata.

-Adam Gibson

Be sure to be out looking at your soybeans and determining what growth stage they are in. Certain herbicides have cut-off windows where it is off-label to make an application.

-Jesse Lundebrek

Growers are starting to see soybean aphids. Two options that can knock out an early aphid infestation without killing the beneficials include Transform and Sefina. This may be useful for you keeping the beneficial insect populations up just in case aphids flare back up later in the season.

-Travis Tonn

LE ROY, MN

OLIVIA, MN

Now is a great time to add foliar nutrition to your fungicide pass. We like products like FertiRain and AC-97. We have seen very nice responses to both of those. I haven’t seen too much for insect pressure but keep scouting and add in an insecticide when needed. Most pyrethroids will give you about a 7–10-day residual.

-Grant Lunning

MARSHALL, MN

OLIVIA, MN

Are the beans starting to turn around in your area? This year the beans have seemed short and thin so far. However, with the heat we have had in the past week, they sure seem to be filling in nicely. Have had some reports of pods forming and have upwards of 3 beans in the pod so far. Don’t lose hope, they may just end up surprising you.

-Chris Wall

OLIVIA, MN

OLIVIA, MN

Aphids are showing up on untreated soybeans so be sure to be out scouting. It takes very few bugs out in your field to justify a cheap insecticide pass. Generic pyrethroids cost less than $2 an acre.

-Jeff Morris

The BUGS are HERE! Be scouting your fields. Soybean fields without seed treatment are showing signs of aphids. Treated soybeans are this year again not showing signs of aphids yet. In our area we do have some pyrethroid resistance aphids. You will want to use a combination product with Transform or Sefina in it or either of the stand-alone products.

-John Scheibel

ROSEAU, MN

OLIVIA, MN

Late-season rust has been observed in Perennial Ryegrass fields that have not been sprayed with a fungicide. Check your later seeded ryegrass and other fields that are still green, as another fungicide application may be a management practice to consider depending upon the number of days after the last fungicide application.

-Cole Bjugson

WINTHROP, MN

OLIVIA, MN

If you’re still using a herbicide in your beans, I highly recommend adding MegaGro into that mix. MegaGro will help reduce the yellow flash in the beans and will help that plant process the herbicide quicker and reduce the lag in bean growth. MegaGro is a patented glyphosate safener and has been on the market for 10-plus years. We’ve seen a good yield response to having it in the tank mix with herbicides.

-Tyler Gasow

If you need to spray a second pass on your soybeans yet, check the beans for insects as it may be a great time to add an insecticide to your tank mix. There have been some reports of some aphids in the area so keep an eye out.

-Matt Nowak

NEBRASKA

LAUREL, NE

LAUREL, NE

OLIVIA, MN

Crop scouting report unavailable

SEWARD, NE

OLIVIA, MN

Crop scouting report unavailable

WEST POINT, NE

OLIVIA, MN

Crop scouting report unavailable

WOOD RIVER, NE

OLIVIA, MN

Many growers are using fungicide on corn fields to prevent disease this season. One product getting more attention is Adastrio. Having three modes of action, it can control a wide array of diseases and has a low use rate at 7-9oz/acre with a long-lasting residual.

-Ty Swanson

Corn is in various stages but with some fields tasseling it’s time to think about a fungicide application. With some confirmed southern rust in southern parts of the state and some fear of tar spot, a 3-mode action fungicide might pay big dividends this year. Look for products like Adastrio or Delaro Complete which are labeled for these diseases.

-Travis Holcomb

We have had more rain in this area this year than the last two years combined. With that amount of rain comes perfect conditions for disease in corn. I am seeing a fair amount of Common Rust and Gray Leaf Spot (GLS). These can both be stopped with a fungicide as affordable as Quilt Xcel, but with the possibility of Tar Spot making its way into the area, I would recommend a 3-mode of action product such as Delaro Complete or Adastrio. These will stop GLS & Rust as well as Tar Spot and give you a good amount of residual against other yield-robbing diseases that may pop up in the coming weeks.

-Tristan Niles

NORTH DAKOTA

HURDSFIELD, ND

ARVILLA, ND

OLIVIA, MN

Crop scouting report unavailable

CASSELTON, ND

OLIVIA, MN

Insect season is here, and aphid control is a big priority. Ensure you use the full rate recommended for control when spraying this year. Many instances of resistance can be traced back to not using the full product rate.

-Brady Sinner

Soybean Aphids have been showing up in lower numbers across my area mainly in the earlier planted soybeans. With some second-pass herbicides or early fungicide applications going on now, be sure to check fields for insects before you spray because if you are about to go across with the sprayer, adding an insecticide is very easy to do. If aphids are the only problem bugs in the field, consider products like Sefina or Transform that only kill soybean aphids. This way the beneficial insects will still be there.

-Jordan Swanson

Crops are starting to come around with the recent heat. With that heat, we are beginning to see pockets of insects in various crops, so be sure to check your fields regularly. One worrisome insect we are seeing pop up all over is aphids. Aphids are showing up in packets all across the valley right now and with the crop potential and current markets, we need every bushel we can get. If you are seeing aphids in your soybean fields, a great insecticide option for aphids is Ridgeback at 13.8 oz which gives you two modes of action!

-David Suda

FINLEY, ND

OLIVIA, MN

Always be on the lookout for powdery mildew in your field peas. The heavy morning dew and higher humidity keep the leaves wet throughout much of the day, dramatically increasing disease risk. Fungicide needs to be applied at the first sign of disease on the lower leaves if not before. Powdery mildew can rob you of an average of 5-24 bushels and up to 35 bushels in extreme cases. 5.7 oz of Proline is a very effective means of control if applied early.

-Michael Manz

GRAFTON, ND

OLIVIA, MN

The optimal time for fungicide application is once blooming begins for crops such as canola, soybeans, and dry beans. Applications made at R2 or before row closure are optimal. There are many products available to help fight disease.

-Brian Sieben

HILLSBORO, ND

OLIVIA, MN

Soybean Aphids are starting to show up in areas. We recommend scouting on field edges as well as next to wooded areas first to see if there is pressure out there. Once again, this year it appears that a good seed treatment with insecticide is curbing the pressure initially. Foliar insecticide treatments are cheap, around $2, so it is important to scout your fields and stay on top of them.

-Jake Backer

Be on the lookout for aphids. Make sure you are especially checking your soybean fields for aphids as we have been starting to see them pop up around the countryside. The treated beans seem to be holding strong yet so I would recommend keeping a closer eye on the untreated beans. As far as treatments go there are quite a few options that vary from $2/acre up to $11/acre depending on what you’re targeting. Most farmers typically go with a Silencer or bifenthrin product, which ranges from $2-$4/acre.

-Colton Miller

HURDSFIELD, ND

OLIVIA, MN

Check out pinto beans and soybeans as they are likely ready for a pass of fungicide. There are many great products like Endura, Delaro, and Propulse. Rates will vary depending on white mold pressure. Use 20 gal per acre to get great coverage and the best protection. On this pass, using a natural program as well like Nutex and Amass will add to flowering. With such great moisture let’s set more pods by aiding the plant through pollination.

-Chad Weckerly

NEW ROCKFORD, ND

OLIVIA, MN

Growers are seeing a lot of yellow soybeans in our area. It’s a great idea to get out and get some tissue and soil samples to see if it is Iron Deficiency Chlorosis (IDC). If your tests come back that it is IDC, I would recommend coming over the top with Soy Green to green things up. Keep in mind that tissue tests may be high in ferric iron that is unavailable. If your soil pH is over 7, this is likely what’s happening. Applying available iron in the ferrous form is the immediate solution.

-Eric Johnson

With the late planting date and excess moisture this year, many growers are just gearing up to do a late-season application of glyphosate and glufosinate in our area. Many soybeans are beginning to flower. With this application, the chances of damaging the flowers on the plant are increased significantly. Growers using a product like Amass with this application have noticed significantly reduced herbicide damage on the soybean flowers thus helping maintain yield potential.

-Michael Johnston

WILTON, ND

OLIVIA, MN

Now is the time to be on the lookout for threatening insect populations. Soybean aphids, which usually come a little bit later in the season, have already been found in the state of ND (in pockets) at treatable levels. If aphids are the only insect pest that needs to be controlled in your soybeans, then we would recommend a targeted product like Transform, which would minimize flare-ups of spider mites that often follow applications of broad-spectrum insecticides. If you do have additional threatening insect populations (like grasshoppers) present, then an inexpensive broad-spectrum insecticide like Silencer might be your best choice. Incidentally, if grasshoppers are your only concern, then we would recommend another narrow-spectrum (i.e. more “targeted”) insecticide known as Dimilin. As all of these products (and most other insecticides) are restricted-use products, so please exercise care by reading and following all label instructions and precautions.

-Steve Dvorak

SOUTH DAKOTA

ABERDEEN, SD

ABERDEEN, SD

OLIVIA, MN

Walk your corn fields to make sure you don’t have any nutrient deficiencies like the nitrogen-deficient leaf pictured here. With the high amounts of rainfall and fall nitrogen application in this field, a tassel application of N-response is needed.

-Ryan Brick

BALTIC, SD

OLIVIA, MN

We have found soybean aphids in the area this past week. As of now, there are less than 5 per plant and only random plants on the edges of the field. The economic threshold for aphids is often said to be 250 per plant, but we recommend spraying before this point for a couple of reasons. First of all, treatment costs $2 per acre and it doesn’t take much injury to justify that. Next, under favorable conditions, aphid populations can double in 2-3 days. If you are not proactive, the population can quickly go over the threshold. You should also take into consideration that there are likely other insects present that are causing damage. Many of the soybeans are in the early to late R2 stage, so an insecticide application will match up with the foliar fertilizer and fungicide applications. I would encourage you to scout your fields to identify if any insects are present.

-Joe Schieffer

If you are worried about disease this year, applying a fungicide is probably a good idea. Fungicides are good at preventing disease but will not get back any yield that was lost already if the disease is present. Spray your fungicide early and go for maximum coverage for the best results.

-Dylan LeBrun

Soybean aphids are everywhere and they are super small. Get out and check your fields, but likely you will have them. If you do and want to spray something easy on beneficials, use Transform or Sefina. Otherwise, you can use Silencer that is cheaper and more broad spectrum (to control other insects like grasshoppers, Japanese beetles, etc.).

-Zach Hefty

CENTERVILLE, SD

OLIVIA, MN

Be scouting for insects in your fields this week! We have been seeing grape colapsis and aphids in corn in addition to corn rootworm beetles. Between all the insects, you may be at the threshold for injury even if not with just one of them.

-Matthew Petersen

FREEMAN, SD

OLIVIA, MN

A lot of soybeans in the area are reaching the R2-R3 growth stage. If you plan on spraying a fungicide on your soybeans for general plant health or disease prevention, now would be a great time to be making that application. Also, make sure to get out and check these fields for bug pressure before applying your fungicide. If pests are present and an insecticide is needed, a generic pyrethroid is an effective option that you can add to your fungicide pass for cheap.

-Blayne Martinez

Be on the lookout for grasshoppers moving out of ditches and pastures into crop ground. We are seeing good control with Bifenthrin at 6.4 oz.

-Conner Edelman

GROTON, SD

OLIVIA, MN

When making these late-season herbicide or fungicide applications to your field, scout beforehand for bugs. An insecticide can be easily added to most tank mixes for a few bucks. It’s more cost-effective to apply that insecticide while you’re already making the trip across the acres.

-Hayden Simon

HURON, SD

OLIVIA, MN

Soybeans are close to the perfect timing for a fungicide application. Ideally, we’d like to see the plant at R3, which is seeing a 3/16” pod at 1 of the 4 most upper nodes on the plant.

-Kyle Wiese

KIMBALL, SD

OLIVIA, MN

Final herbicide passes are made in beans and milo. With some hotter temps forecasted in the next couple of weeks, throwing in a stress mitigator such as WeatherKing will help protect against any potential yield loss.

-Tyson Serr

Be aware of favorable conditions for disease in your field corn. Apply a fungicide product like Stratego YLD before the disease appears at 5 oz/acre. VT – R3 is considered the developmental window where the most yield loss is likely to occur. Scout your fields regularly.

-Jeremy Nedved

Fungicide timing is getting close for soybeans. R3 (first pod) is the ideal timing. There are several great options for fungicides.

-Mike Erickson

ROSCOE, SD

OLIVIA, MN

If you have sprayed Glufosinate lately and it yellows up the top leaves, that is normal and can happen when beans get larger and get closer to the R2 growth stage. They will grow out of it in a couple of days so no need to panic.

-Micah Hanson

WATERTOWN, SD

OLIVIA, MN

Keep staging your soybeans. This week there will likely be a lot of soybean fields switching from R1 (beginning flower) to R2 (full flower) if they have not already. This is important since Enlist One is labeled only through R1.

-Preston Barragan

WASHINGTON

HURDSFIELD, ND

FARMINGTON, WA

OLIVIA, MN

Crop scouting report unavailable