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With the increase in rainfall, I’ve been getting a lot of calls about when it’s too late to plant rice. I personally wouldn’t plant any after June 10th because cool nights will shut it down in the fall. Plant hybrid rice and keep it moving along, don’t let it sit too long pre-flood! Hang in there, we will get it in.
Pre-emerge herbicide works.
Pictured below are adjacent corn fields planted within 6 hours of each other on April 13th.
Pictured below are soybeans sprayed 26 days ago with the 3 Pre Program.
Scout Well! Be Profitable!
We get many questions about spraying in the Enlist system or the Xtend system. For a list of the nozzles developed for these technologies and the approved tankmix partners and additives, check the respective websites as they are updated each week.
*Note: Dicamba products require training certification and RUP license
Delivering a nutrient package and PGR to your crop right now will ensure quicker growth in low GDU (growing degree units) periods, like what’s happening presently in the Midwest. Several growers in the area have been using a combination of Smart Quatro (at 1 pint to 1 qt) and MegaGro L (at 2 oz) to perk up the crop.
With the rain we’ve gotten in the past couple days, it’s a great time to see where your drainage issues are. Once you find the bad spots, think about how it can be fixed – maybe with above ground ditching or tiling. Tiling is something that gets overlooked in our area and is something to consider on your farm!
The slow growth pace evident in many local fields is giving farmers a unique opportunity this spring. The lengthened emergence window has magnified stand issues and allowed ample time for digging and investigating. Although soil conditions were rather beautiful, I’d encourage everyone go back into a few fields this week and start digging up irregularities. Take pictures or notes and identify a couple more spring preparation watch outs to try and establish that picket fence stand.
Take extra precaution when spraying this year because there are many different soybean traits out there. Be mindful of what you have planted as well as your neighbors. You don’t want to take a chance and end up having drift issues. Use a good drift control agent such as Lockamba or Sedate Max.
Additives can make or break a tank mix. Make sure you know the ones you need. Impact likes MSO when it is alone, while Callisto and Laudis like crop oil. If you don’t get the right tankmix your chemical will likely not perform as you planned.
Corn spraying should start in most situations when we dry out. Be sure to look at what weeds you have to make sure your planned spray will cover that spectrum.
Now is a good time to spray insecticide around your property. Many bugs like wood ticks, ants, and spiders are starting to get active. By spraying a product like Talstar P (bifenthrin) around your yard, landscaping, foundation soffits and downspouts you will kill or repel these pests. Talstar P has the same active ingredient as Brigade and Capture but is in a water-based formulation that has almost no odor, and it does not require a RUP license to buy it. It’s for sale in Minnesota, check your state for labeling.
Checking the rainfast times before spraying is a good idea if there is any rain in the forecast. Go to the website “AgPhD.com” and look under the resources tab. It has information about storage, application, and rainfast times for multiple chemicals.
Be sure to have adequate amounts of zinc in your soil. Zinc plays a big part in moisture uptake in the plant and improves overall plant health and vigor.
I have been getting a lot of questions on how tall of corn TripleFLEX can be sprayed on. The answer is 11”. Same goes for anything with Harness or Surpass in it.
No crop scouting report available.
Now it the time to be scouting your fields. We are seeing weeds starting to come (primarily lambsquarters), and stopping them in the 2-4” range is much easier. Any of the HPPD’s (such as Callisto) will do a nice job on lambsquarters in corn. In soybeans, Roundup, Liberty, Enlist One, and Xtendimax all do a very good job in the appropriate traited fields.
As crops emerge be mindful of neighboring crops as you spray. It’s a great idea to put drift control in each tank. Nozzle type, herbicide type, and wind direction are obviously spray drift factors as well. I recommend 5 oz of Latch for drift control and canopy penetration.
No crop scouting report available.
If you had planned on spraying your soybean with herbicides such as Valor or Authority products but they have already emerged, you need to use a different plan and spray post-emerge. We have had good success with Warrant as a residual along with Roundup.
As you are switching back and forth between spraying soybeans and corn make sure you are thoroughly washing out each time. The triple rinse is the best way to ensure you get all the residue out. Start by rinsing out the tank with water and spray it out. Then rinse with water and 1 pint of Erase per 100 gallons of water and spray it out. Lastly, spray it out with water one more time.
This week will be a great week to start scouting for weeds and making plans for your post-emerge application.
Scouting crops is extremely important. Knowing what is out there for emerging weeds will help determine what needs to happen with your post-spraying options on both corn and soybeans. Check your fields carefully and consult your agronomist on options specific for your situation.
Post-emerge applications on corn will begin here later this week. Weed control is the top priority, but don’t forget another important thing to go in the tank at this time. Diseases such as anthracnose and other stalk rots infect corn plants as early as VE -V5, so now is a good time to add a fungicide to the tank to improve plant health and lower the severity of these diseases.
There are many options and almost all can be tank mixed with your post-herbicides. Some economical options are Acadia at 3 oz and Aquila XL at 6 oz.
V3-V5 is a busy time for corn as well as the farm. Corn is determining how big the ear is going to be, and you are probably gearing up for a second herbicide pass. Consider adding a fungicide with the herbicide to ensure optimal plant health.
Dandelions and thistle in the yard can easily be controlled with products like Trimec. It often takes just 3-5 oz per gallon of water to do the job. Be careful around gardens and flowers as Trimec can harm them.
A good option for controlling volunteer canola and kochia with residual ahead of soybeans and field peas is Authority Supreme at 5.8 oz. This requires rain for activation.
Crusting is a major factor in our area this year. A rotary hoe is a good tool to help break this crust, but a nice 0.25” rain is really the best option. Do some digs and monitor stand. It’s very possible certain area of the field could need a replant.
As soybean acres get planted, it is important to make sure you are scouting your fields before applying your pre. If your soybeans are cracking the ground, switch to a group 15 such as Warrant, Outlook, Zidua, or Dual.
I have been getting a lot of questions on controlling weeds and crabgrass in lawns. With tough to control weeds like clover and field bindweed, Trimec 992 is a good option. With crabgrass use products like Drive XLR8 or Quinclorac 75 DF.
If you had prevent planting and cover crops last year, some pre’s could be weak on holding certain types of volunteer cover crops. Scout your fields early, as I would expect you may need to spray post earlier than most years.
Some pre-emerge herbicides are starting to lose their strength, especially on early planted corn. Now is the time to start preparing for post-emerge spraying. Be sure to use multiple effective modes of action to control the wide spectrum of weeds.
I am seeing some grass and thistle pressure 4 weeks after spraying pre’s. I recommend using a product like DiFlexx for the thistle pressure and glyphosate for the grass.
Some spraying is getting delayed and weeds could get out of control. I recommend Status at 5 oz an acre as a good rescue option for corn.
Corn posts are beginning to be applied, so it is important to be scouting your fields for what weeds are out there. Taking notes of what weeds there are, and the size of them, will create the best method for weed control.
If you are planting beans and get a lot of treated seed at one time, and are unsure of the weather, you can add an extender to the seed treatment to give you a bigger window to get the seed in the ground.
If your soybeans are out of the ground and you missed getting a pre-emerge residual product applied, there are still some options. Pursuit and Anthem Maxx are good options that will give you burndown and good residual for grass and small seeded broadleaves.
Corn is emerging and growing fast. Now is the time to take a tissue sample to see how the crop is doing. If issues are found, we can correct them early with another top-dress application or feed that plant with a foliar spray.
It is getting time to spray small grains. Be sure to include a fungicide with your herbicide program. Fungicides are relatively inexpensive and tankmix easily with most herbicides.
When rinsing out your spray tank between chemistries, make sure you are adding a tank cleaner to the tank for the most effective clean out. I like Erase at 1 pint per 100 gallons of water.
A few acres are being transitioned into conventional corn. With that being said, make sure to use a full rate of a group 15 herbicide like Harness. Grass control is your biggest priority right now!
Be sure you are getting out and doing stand counts. With the cold weather, and now the heavy rains occurring in the area, some of the early planted corn never emerged especially in the poorly drained areas.
Continue to take soil samples for nitrogen in your corn. Continuous rain fall can drive nitrogen through your soil profile. Sidedressing 28% might be necessary.
Conditions in our area right now are conducive to disease. Make sure you are checking all crops for any signs or symptoms on leaves and stalks. Most times once a disease is found it’s too late and damage is irreversible.
No crop scouting report available.
If you have been using Valor SX for your soybean pre herbicide and don’t care for dry products, you can now get Valor EZ that is liquid and use the same rates.
If you planted wheat and are looking for an early fungicide, consider using Stratego. Stratego will help control tan spot and help in suppressing rust.
The second spraying of chem fallow is starting in a few areas. Adding a second mode, and even a third mode, of action with your RT3 will help with weeds like marestail and Russian thistle. 2,4-D at 8-10 oz with Aim at 0.5-1 oz is a good option. Just be sure to spray before the marestail bolts.
For those tough weeds in spring wheat, Huskie is a great herbicide option that will have excellent control on Russian thistle, prickly lettuce, Jim Hill mustard and marestail in the rosette stage. We have seen great results with the addition of 1 lb an acre of AMS.