Mustang® Maxx and Preemptor™ SC are trademarks of FMC Corporation. If you decide to use a fungicide be sure to leave a check strip and note the stage of the soybeans to determine if it was worth it. Generally, a significant yield response is achieved when foliar disease pressure is high; which goes back to the purpose of a fungicide… The very fact that it is used to kill something means it requires respectful and smart handling. In trials where disease was present a fungicide With produc ts that move into leaves, apply when conditions will promote slow drying to maximize uptake, such as calm, cloudy days and late afternoon to dusk. While picking up supposed health benefits from fungicides is the most debated claim for these products, Gauck says if you think it’s valid, this might be the time to do it. Hard work, dedication pave path for corn breeder, Farm like you mean it with these tillage tools, Midwest cooperatives continue pushing higher ethanol blends, What to expect from late-planted soybeans, Allowed HTML tags: . Fungicide and insecticide applications are often made as a preemptive strike against disease and pests because, once they’ve set in, yield loss is likely. All rights reserved. Fungicides might have best effect when applied in the early morning or at night, according to preliminary research data. Current conditions and sites where soybean rust have been observed can be found at sbrusa.net. Fungicides that were given a PFR Proven stamp in 2016 at the R3 application timing include: Priaxor®, Stratego® YLD, and Preemptor™ SC. Applying fungicides/insecticides one growth stage later increases the breakeven price to $10.91. It was still flowering, with pods of that size just starting to form. Or it could be aerially applied.”. To date, the only fungicide for corn that is PFR Proven is Headline AMP®. Industry Voice by Beck's Hybrids | Jul 01, 2017. Beck’s agronomists have concluded that missing the R3 application timing can cost farmers roughly $5.00/Bu! Related: What to expect from late-planted soybeans. Stratego® YLD is a registered trademark of Bayer CropScience LP. He saw a frogeye leaf spot lesion here and there, sometimes only one or two on a leaf. Informa Markets, a trading division of Informa PLC. 4. Keep an eye out for new PFR Proven products and practices this fall! The University of Nebraska conducted several on-farm trials with fungicides on soybeans and measured an average response of 1.2 to 1.8 bushels per acre for Headline and Quadris fungicides respectively. If you raise soybeans, you should be spraying at least some of your acres at R2 (full flower) to R3 (first pod) with a foliar fungicide like Headline, Evito, Quilt, Stratego YLD, or Domark. Farm Progress is part of the Informa Markets Division of Informa PLC. Are you going to spray fungicides? The best timing for chemical One pass of Trivapro works harder than a two pass of Priaxor ® and Headline AMP ®. If a product has been tested in PFR and found to provide yield gains and averages a positive ROI over a minimum of three years, then that product will earn the status of PFR Proven and should be something to consider trying on your farm. To answer these questions we conducted soybean fungicide trials at various locations in Iowa from 2008-2010. One variety of the two planted in the field was in full R3, with pods about one-quarter inch long at one of the four uppermost nodes. Source: Used with permission from Iowa State University Extension and Outreach from the publication Soybean Growth and Development, PM 1945. advantage when applied at a 5 oz./A. This site is operated by a business or businesses owned by Informa PLC and all copyright resides with them. Original publication date: 2004. Soybeans that have experienced hot dry, weather - drought like conditions- don’t spray. Does it ever pay to spray soybeans with fungicides? Each year, approximately 150 products are tested to provide farmers with the research needed to make the most profitable decisions for their farms. The other variety, due to genetics, was about five days behind, just entering R3. Steve Gauck says this plant is at the R3 stage. FUNGICIDE. Number 8860726. For the most part, he found minimal disease. Mode of action: This refers to how the fungicide affects the fungus. When it comes to preventing disease and insect pressure, it’s clear that timing is everything. “And if there was disease, damage might already be done.”. Informa Markets, a trading division of Informa PLC. The best time to fertilize fruit trees is in early spring. Yields have gone up significantly. Web page addresses and e-mail addresses turn into links automatically. If you are going to spray, R3 is the recommended time. To get the most curative (post-infection) … There is no risk of soybean rust for Nebraska's soybean crop this year. Once a disease has set in, it’s likely that yield will be lost, but the amount can be unclear. Maintain ground speed at 10 miles per hour or less. long, as show in the photo below. Fastac™ EC also has a pyrethroid active ingredient and has increased yields by 1.5 Bu./A. Most products need at least 4 hours. Fungicides are not systemic, so you need coverage on leaves.”, Why not wait until later? You should always garb protectively and follow the manufacturer’s instruction regarding mixing, application rates, and timing.Pesticide application timing for a Due to the success seen with R3 applications, this management practice was given a PFR Proven™ stamp in 2016. Priaxor is a combination of a strobilurin and carboxamide fungicide that four-year data has shown to provide a yield advantage of 3.8 Bu./A. In the case of corn, Beck’s PFR research has shown that applications at the VT growth stage will return the greatest ROI. “The theory is that the most productive nodes to produce pods and beans are in the middle part of the plant,” Gauck says. rate. 1Multiple fungicides are labeled for soybean rust only, powdery mildew, and Alternaria leaf spot, including tebuconazole (multiple products) and Laredo (myclobutanil). Fungicides might have best effect when applied in the early morning or at night, according to preliminary research data. If a grower intends to apply one fungicide application per year and flag leaf disease levels are low to moderate Bayer CropScience recommends waiting and applying at the head timing. One of the best times to apply fungicide to maximize any benefits for grain corn is during tasseling (VT) and into the silking (R1-R2) timing. He is a sales agronomist for Beck’s, based near Greensburg, Ind. It’s important to control disease and insect pressure at this growth stage because it’s at this stage that the soybean pods start to develop. Informa PLC's registered office is 5 Howick Place, London SW1P 1WG. Soybean Growth and Development Guide. “There were spray tracks already in the field, so you could apply with a high-clearance sprayer. Soybeans reach the R3 growth stage when least one pod at one of the four uppermost nodes on the plant is 3/16 in. To date, only two insecticides have been labeled as PFR Proven. 10 years ago you probably didn’t even think about using a fungicide in soybeans, but here’s what’s changed. ROI increase over three years. Fungicide prices have crashed (many farmers are using a half rate of fungicide now for $3 per acre). Registered in England and Wales. https://www.farmprogress.com/sites/all/themes/penton_subtheme_wallacesfarmer/images/logos/footer.png. Insect feeding creates an entry point for fungal diseases to spread, so if you’ve got bugs, hammer them at the same time by adding an insecticide to your tank mix and keep them from spreading into other fields. across the United States. “You want to protect them so there is maximum area to capture sunlight. Beck’s sponsors Soybean Watch ’19. Farm Progress is part of the Informa Markets Division of Informa PLC. So what about fungicide application timing? Fungicide and insecticide applications are often made as a preemptive strike against diseases and pests entering a soybean field. Please consult with your local Beck’s representative or trusted advisor for best management practices in your area. Fungicides that can move in the plant can be both preventative and curative. Some farmers may decide to throw in an insecticide to go along with the fungicide … Practical Farm Research (PFR)® and PFR Proven™ are trademarks of Beck’s Superior Hybrids, Inc. Priaxor® and Headline AMP® is a registered trademark of BASF. Applying fungicide at the R1 stage will provide better disease control, protect stalk integrity, improve harvest efficiency and reduce volunteer corn in the crop to follow, each providing significant value to the grower’s bottom line. Currently, there are only 12 PFR Proven soybean products that have consistently delivered a positive return on investment (ROI). During rainy periods, systemic fungicides perform better than protectant/contact fungicides since they are less susceptible to wash-off by rain, although eventually a portion of systemic fungicides also gets washed off by rain. Typically, it’s recommended to apply soybean fungicides at the R3 growth stage. Which application timing is best? A significant yield increase of 2.5 bu/acre was found for fungicide+insecticide applications in 2010/2011 (Table 1). This site is operated by a business or businesses owned by Informa PLC and all copyright resides with them. While picking up supposed health benefits from fungicides is the most debated claim for these products, Gauck says if you think it’s valid, this might be the time to do it. “The main reason to spray a fungicide in this field would be if you thought you could pick up health benefits that would help plants through stress,” Gauck says. “With a fungicide, it can be any droplet size, but typically we crank up our pressures when we spray fungicides to 40-50 psi, to try to get more penetration in the canopy,” he said. In other words, when at least half the field is tasseling, spraying fungicide will make the most money. and an ROI increase of $32.41/A. This same four-year data has shown that Preemptor SC, a product with a combined strobilurin and triazole fungicide, has produced a 3.8 Bu./A. “We had lots of Japanese beetles three weeks ago, but they haven’t found this field,” Gauck says. Getting to know FFA leadership, eastern region, Iowa Pork Congress cancels trade show segment due to pandemic, Direct payments boost net farm income 43%, applying fungicides and insecticides at the R3 growth stage, Allowed HTML tags: . There are two questions to answer soon about this year’s soybeans. Soybean Watch: Many fields are reaching the R3 stage this week. Time is often specified on the label. The field was planted June 12 and is in the reproductive stage. The other factor to consider as it relates to the time of day is the survivability of the droplets. However, the Purdue Corn and Soybean Field Guide reports that downy mildew seldom causes economic loss in soybeans. With little rain in the forecast, soybeans could face dry weather stress during the critical reproductive phase. Applying with a high-clearance sprayer would make it easier to leave untreated check strips so you could determine if spraying paid for itself this year. The general pod and leaf feeding insect pressure at the time of application in those tests was 1 insect per 2 feet of soybean row across the 8 environments. The following recommendations will improve spray coverage and fungicide performance: Apply 15 to 20 gallons of water per acre. “If you were going to apply fungicide in this field, you would want to do it soon,” Gauck concludes. Remember that R3 is the best time to spray fungicide on soybeans. Registered in England and Wales. “It becomes harder to get coverage down to lower leaves still associated with the lower most-important nodes,” he explains. Timing. Page 14. Contact fungicides such as chlorothalonil may also be labeled for use. Fungicides may work by damaging the cell membrane of the fungus, inhibiting an important process that the fungi, pinpointing a single or multiple processes in … For best post-infection activity, apply fungicides as soon as possible after an infection period, weather permitting. Otherwise, the field was close to being both disease- and insect-free. That means a separate application because Roundup or Liberty should be applied sooner than that. June 26, 2014, Ontario – Spraying soybeans with a foliar fungicide has not been common practice in Ontario. period. 5. PRO TIP: Consider adding an insecticide to your fungicide app. He didn’t find any green stinkbugs in the field. Lines and paragraphs break automatically. It’s interesting to note that, based on this multi-year research, if soybeans are sprayed just one growth stage earlier, the soybean price to breakeven rises to $11.50. Copyright © 2020. PFR Proven™ was developed in 2016 to identify the products and practices that are likely to be most profitable. Over the last 10 years, there has been increased interest in applying foliar fungicides to soybeans. Also, under these conditions stomates are more likely to be open, which should enhance uptake. BEST TIME FOR FUNGICIDE: If you’re going to spray a fungicide in soybeans, R3 is the time to do it. and shown a $13.61/A. Mustang® Maxx has shown an average yield increase of 3.8 Bu./A. over a six-year period. All rights reserved. at a 4 oz. Many university experts recommend it, and it has proved out in Beck’s Practical Farm Research plots. advantage when applying fungicides and insecticides at the R3 growth stage. Copyright © 2020. If you are going to spray, R3 is the recommended time. If so, when? Actually, they were forming at all of the four upper nodes. Apply granular fertilizer across the root zone around the time the leaf buds open. But what does R3 look like and why is this timing so important? Each plant disease has its … Stratego YLD is comprised of a combination of a triazole and a strobilurin that, when applied at a rate of 4 oz./A., has delivered a yield advantage of over 4.4 Bu./A. 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Responsible pesticide use in gardens is important, regardless of whether you use a chemical form or a homemade! … Know what ’ s representative or trusted advisor for best management in., he saw very little insect damage soybean indicates a positive and statistically significant yield response a. Get the most profitable decisions for their farms of Bayer CropScience LP flowering, pods! Of a strobilurin and carboxamide fungicide that four-year data has shown to provide yield... The fungus with a high-clearance sprayer that are likely to be most profitable rate of fungicide now for $ per... But shouldn ’ t be discounted completely ” he explains trademark of Bayer CropScience LP Why... Trading Division of Informa PLC and all copyright resides with them of action this! Sites throughout the Midwest to answer soon about this year ’ s PFR team delivers data... Sites where soybean rust for Nebraska 's soybean crop this year ’ 19 field within the last few.... 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