Obviously, treatments with more data points included will provide a more reliable estimate of the treatments efficacy over multiple environments, soil types, or years. CONVENTIONAL CORN Use a standard grass herbicide at the full rate. Occitanie, Niort, If youre having a major battle with waterhemp a few key points to keep in mind include the following: To get the longest residual control from soil-applied herbicide use in a premix, its important to have a high enough rate of the specific active ingredients. This topic has even greater importance as we get closer to the 2022 growing season and the uncertainty about the supply of many of our commonly used postemergence herbicides, particularly glyphosate and glufosinate. I have fields with a lot of waterhemp, giant ragweed, lambsquarters, morningglories, and marestail. There are, though, some tweaks in existing chemistries that have been recently been made, says Owen. The use of glyphosate alone should no longer be considered a viable burndown herbicide program. HGs 5 + 15+ 27) to enhance the foliar and residual activity (needed for late-emerging waterhemp) at the POST application timing. Herbicides containing active ingredients such as S-metolachlor (HG 15), acetochlor (HG15), pyroxasulfone (HG 15), or isoxaflutole (HG 27) have very good activity on foxtail species (giant, green, or yellow). We would also add that our colleagues at the University of Wisconsin and the University of Kentucky have also produced some very good material on waterhemp control, and these documents can be accessed at the links below: Residual Control of Waterhemp with Pre-emergence Herbicides in Soybean University of Wisconsin, Multi-SOA Pre-emergence Herbicides for Palmer Amaranth and Waterhemp Control University of Kentucky, 2023 Purdue University | An equal access/equal opportunity university | Copyright Complaints | Maintained by Pest&Crop newsletter. Make sure there's not any beans peeking through. etc. These existing sites of actions in many cases have resistance in existing weed populations, says Mike Owen, Iowa State University (ISU) Extension weed specialist. All Rights Reserved. Pound for Pound, anthem Maxx is the cheapest way to get zidua that I know of, Echo the cheapest pyroxasulfone price is in Anthem Maxx, IDC about the Cadet but it does help a little with burndown in notill. Thanks guys. 2150 Beardshear Hall Talk to your fertilizer rep and have them look at it. Prowl and metribuzin herbicide provided control in the mid 70s. West Lafayette, IN 47907, An equal access/equal opportunity university. Every time this week fierce had a commercial pop up on gas pump screeen at Kwik trip. I don't think you're supposed to use PPOs and illevo together. First gulp of water was nuclear to those beans. It does have a risk of injury to the beans, but usually at emergence with cool/wet weather..I've seen injury to the point of replanting..I've seen it work so good that only one post app was needed.darn good product. Delire Groupe Askol Avenue de Saint-Quentin, Tullins, Auvergne-Rhne Viewing a thread - Trouble with Fierce herbicide However, with the proliferation of premixed herbicide products, and some of the confusing marketing campaigns that we see, it can be difficult to pick a residual herbicide that best fits each weed control scenario. Ajouter un commentaire, Marseille, Acuron can be applied preemergence in all corn types listed. Provence-Alpes-Cte d'Azur, Quimper, Postemergence applications can be made to corn up to the V10 stage. Patrick. Owen notes most of Syngentas proprietary herbicides now have the Weed Science Society of America (WSSA) mode of action herbicide group numbers and revised resistance management language included in the label. It provides burndown and residual control of some annual broadleaf and grass weeds. Use rate range is from 14 to 24 ounces per, depending on soil texture and organic matter. If you had cold and wet weather made it worse. When combined with another herbicide that has activity on waterhemp as shown with all of the premixes, control is 88% or greater and probably reflects the control with the other active ingredient once we get to this 28-day rating. What rate did you use? The max rate of Zidua SC is 5 oz on Medium soils. If you dont have it on your farm today the chances are you will at some point in the future. "With weed control being a key hurdle year after year, we continue to recommend using multiple effective modes of action in weed-management systems," says John Pawlak, Valent product development manager, in a company news release. Thinking about using Fierce this year and was trying to decide XLT version or not. Fierce MTZ Herbicide | Valent If necessary, a late postemergence rescue treatment of Cobra can be used. HERBICIDE-TOLERANT CORN If you can spray Roundup or Liberty post-emerge to clean up escape grasses and broadleaves, you have the flexibility to use one of the combination broadleaf/grass herbicides pre-emerge to take two really good shots at problem broadleaf weeds. You can have cheap chemical or good weed control. Think I'll go with straight Fierce+Metribuzin, is 3 oz and 4 oz enough for each. As noted in Figure 1, all of the Group 15 herbicides provide acceptable control at 28 days after treatment. Fierce MTZ contains three effective modes of action that include metribuzin, flumioxazin, and pyroxasulfone. Verdict powered by Kixor herbicide | FBN Obtenir des directions, Aujourd'hui: This may be a potential strategy to stretch glyphosate and glufosinate over more acres under soybean in 2022. In an effort to reduce some of the confusion around all of the herbicide premixes available, we broke up the data into smaller pieces by showing efficacy data for premixes containing flumioxazin (Valor), sulfentrazone (Authority/Spartan), metribuzin (Sencor/Tricor), and the group 15 herbicides in separate figures. Does the residual hold up? All Rights Reserved. Apply 1 pint per acre of 2,4-D ester (4 lb gal formulations) to keep the preplant interval to 7 days, rates higher than that will lengthen the planting interval. Adding metribuzin to Fierce is a good idea. They did replant some. The first field I sprayed with Fierce I had some issues with Hypro tips with the small filters in them. Was going to maybe add metribuzin either way so how much does classic help with these weeds. Warrant Ultra does not have activity on emerged weeds at application time. Been running full rate Fierce and MTZ, been bullet proof so far to come back just once later post. A key thing to keep in mind when buying these premixes is that in many cases they contain lower rates of specific active ingredients. Posted 6/5/2014 20:34 (#3904068 - in reply to #3903809) Subject: RE: Trouble with Fierce herbicide. Revulin/Realm Q, which contains rimsulfuron (for grasses) and mesotrione (for broadleaves) is another option that can be used for broad-spectrum weed control in corn. Shouldn't have much vol. HG 1 herbicides (Select/Select Max, Assure II etc.) Soybean Cyst Nematode: The Greatest Threat to NY Soybean Production is Here to Stay. Looks like they were sprayed with Cobra when it was 100 deg! Glyphosate resistant and multiple resistant (Group 9 and Group2) marestail is spreading across New York State and may already be on your farm. Thinking back to the late 80's, I remember what a blessing Pursuit was to replace Classic, as it didn't stunt the beans as bad, especially along gravel roads where lime dust had the pH very high. Valor is cheaper and but watch crop injury as others have said. State & National Extension Partners. Flexstar (Group 14) and Flexstar GT (Groups 9 and 14) labels now include an adjuvant statement that requires adjuvant products to meet the standards of the Chemical Producers and Distributors Association certification program. Acuron may also be applied in split application. I wouldn't single out fierce many PPO's causing some issues. When planning a weed control program for soybeans, we recommend a broad-spectrum preemergence herbicide, followed by a postemergence herbicide program that contains a residual herbicide as well. Theme: Amalie Lite designed by Anariel Design. For POST applications, herbicide programs based on HG 27 will be essential to achieve broad-spectrum weed control (Figure 3). The purpose of this article is to share some of the results we have generated in our research program over the last several years regarding the efficacy of single active ingredient, and multiple active ingredient premix herbicide products for waterhemp control. Viewing a thread - fierce herbicide Will be using it again for 100% of bean acres. Flu-Rimuron by Red Eagle (Generic substitute for Valor XLT) $29.50 / lb. Farmers weigh to replant or not to replant, USDA Crop Progress Report| April 24, 2023. Fierce EZ by Valent: $406.80 / gal. If it were me I would use straight fierce and spike with sencor. Prowl, on the other hand, is much less water-soluble and the control values will hang around 70 to 80% for around four to six weeks. You should look into a cost comparison of fierce xlt vs valor xlt spiked with fierce. Good residual. Corn Grain Yield Estimation with Drones Timing is Key! Viewing a thread - fierce herbicide Just wondering the performance for the guys that have used Fierce herbicide. Marestail can be either a summer annual or winter annual. Had very good control. This product can be applied preemergence and postemergence before soybeans reach growth stage R2 and control many annual grass and broadleaf weeds. Please refer to the previous ICM article (Jha et al. EPA Approves Liquid Formulation of Fierce MTZ Herbicide Did you have anything tank mixed with the Fierce? We have known for over 2 decades that there are a couple of active ingredients that have consistently provided good control of waterhemp, and have been positioned in the marketplace to go on those acres. King City, Mo. Read the product label before using any herbicide. Figure 1. Soybean injury?? We need to use burndown herbicide programs with more than one effective site of action to delay the development of resistant weeds and provide the best control. Use rate range is from 14 to 24 ounces per, depending on soil texture and organic matter. Lessons were learned. The criteria that we placed on including data in this set was at least four observations from a specific herbicide. In Roundup Ready 2 Xtend (dicamba tolerant) soybeans apply a postemergence application of XtendiMax, Engenia, FeXapan, Tavium. Fierce MTZ by Valent: $181.10 / gal. Viewing a thread - Fierce herbicide Cinch does not control emerged weeds. * Capreno from Bayer Crop Science is a premix of tembotrione (Group 27, HPPD inhibitor) and thiencarbazone-methyl (Group 2, ALS inhibitor). Clean fields improve your yield potential. can be used to achieve broadleaf weed control. Preplant or pre-emergence? Once resistant marestail gets any taller than 6 inches it becomes very difficult to control. Auvergne-Rhne-Alpes 38210 Waterhemp control with single active ingredient herbicides at 28 days after application. Since waterhemp continues to infest more acres in the eastern cornbelt, it has become more important to target this weed as a driver weed as we select soil residual herbicides for soybean. Leave this field blank. Futures: at least 10 minute delayed. If you have heavy grass or waterhemp I would want a bit higher rate of Zidua. Its a premix of dry mesotrione (Group 27, HPPD inhibitor), nicosulfuron (Group 2, ALS inhibitor), and a safener. Jusqu' prsent, les critiques n'ont pas t ajoutes. In addition, we know there are some other herbicides that have provided some control of waterhemp such as pendimethalin (Prowl), saflufenacil (Sharpen), fomesafen (one of the components in Prefix). These active ingredients include flumioxazin (Valor), sulfentrazone (Authority/Spartan), metribuzin (Sencor/Tricor), and the group 15 herbicides metolachlor (Dual), acetochlor (Warrant), pyroxasulfone (Zidua), and dimethenamid (Outlook). However, with a shortage of glyphosate or glufosinate, there are relatively limited POST herbicide options for broadleaf weed control in soybean. You cant have both, Some old pricing there. Fierce MTZ premix contains three effective active ingredients with different modes of action for waterhemp control (flumioxazin, pyroxasulfone, and metribuzin).
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