Rate depends on soil type. Do not use on vetch or sweet clover, which are very sensitive to MCPA. Many seed alfalfa with forage grasses to potentially increase in vitro digestible dry matter yield. Use the higher rates when annual grass pressure is heavy or at the maximum height, or when perennial grasses are present. Spittle masses are also evident. Ensure good alfalfa canopy spray penetration and grass coverage. Use low rate on sandy soil, high rate on heavy soil. A rep from a local Co-op dropped this corn planted in a field that was previously alfalfa/grass mix. On no-till planting, only post-emergence herbicides, such as Raptor, Pursuit, or Select can be used. Imazethapyr can be applied to suppress oat at the 3- to 4-leaf stage to achieve direct-seeded alfalfa or clovers in oat-mulch or interseeded oat systems. Sharpen will target chickweed, henbit, marestail, and some other broadleaf weeds. Preharvest interval (PHI): 30-day PHI before graze, feed or harvest forage. Prowl H2O maybe tank-mixed with other labeled herbicides, but keep in mind nothing is labeled for control of emerged grasses in grass forage. Do not use on mixed stands. It controls many annual grass and most broadleaf weeds in direct-seeded or oat-mulch systems. Apply 0.5 to 1 lb/A before spring regrowth. Similarly, no herbicides are labeled to remove broadleaf weeds in alfalfa that’s seeded with forage grasses. than 1.25 pt/A. However, companion crops can compete with seedling alfalfa. The higher rate of Velpar may cause crop damage. Pursuit does not have label instructions for use in alfalfa-grass mixtures. Apply to ‘dormant’ alfalfa before 2 inches of spring regrowth. Use 2 pounds of dry flowable per acre on coarse and medium soils and 2.5 pounds of dry flowable on fine-textured soils. Butyrac can be used to establish alfalfa or birdsfoot trefoil. As warmer weather approaches, alfalfa is starting to break dormancy! These products are slower to control oat and, under dry conditions, they may not completely control oat, especially when applied to oat taller than 4 inches. Because it’s a contact herbicide, weeds must have adequate remaining foliage to be controlled. Preharvest interval (PHI): 30-day PHI before cutting for feed or grazing spring-treated, underseeded alfalfa; 60-day PHI for fall-treated, underseeded alfalfa. Green and giant foxtail, barnyardgrass and fall panicum: Poast Plus is labeled at a reduced rate (18 fluid ounces), and Poast at 0.75 pints per acre for early application. Apply Pursuit at 1.08 to 2.16 oz/A plus adjuvants to actively growing weeds 1 to 3 inches in height. Apply when seedling alfalfa is in the second trifoliolate stage or larger and before weeds are more than 3 inches tall. Applications to non-tolerant Roundup Ready alfalfa will cause severe crop damage or stand loss. The reduced rate seedling year application is specifically aimed at chickweed. May be used on mixed alfalfa-grass stands. Legumes are more tolerant of MCPA than 2,4-D. Buctril controls most broadleaf weeds postemergence in seedling alfalfa. Wild proso millet: Use a half pint of Poast or 12 fluid ounces of Poast Plus per acre. Organo-silicon surfactants can be used instead of nonionic surfactants. More intense management of alfalfa often uses direct-seeding, sometimes called solo seeding. The 3.5 to 4.5 pint rates give fair to good control of pigweed, lambsquarter and velvetleaf. Eptam should be applied preplant and incorporated immediately after application for annual grass and some broadleaf weed control in alfalfa, birdsfoot trefoil and clovers (red, alsike and ladino). Field bindweed is more easily controlled in fields of small grains with the use of 2,4-D herbicide or glyphosate after crop harvest. After alfalfa seed germinates, the rhizobium bacteria will develop nodules on the alfalfa roots and live in association with the roots. Pursuit 70DG (imazethapyr) — Pursuit may be used for weed control in seedling (2 trifoliates or larger) or established alfalfa. Impregnation on dry fertilizer can improve crop safety and allow for slightly later applications (up to 3 inches spring regrowth). May be tank-mixed with 2,4-DB products, or with Pursuit W, 70 DG or 70W to control broadleaf weeds. Direct- or oat-mulch-seeding increases the production of alfalfa forage that’s high in quality the establishment year. Do not graze or cut for hay within 28 days after metribuzion treatment. A3-7 B2 P1 More recently, glyphosate-tolerant lines (Roundup, others) became available for oat mulch systems. Using EPTC prior to bromoxynil applications may enhance alfalfa leaf burn. Confusion arises because bromoxynil (Buctril, Moxy) is labeled to apply to Conservation Reserve Program (CRP) acres where alfalfa may be present with forage grasses. First emerging leaves may stick together, but seedlings usually recover after the first rain or irrigation. Apply 3 to 6 ounces of Pursuit 2S per acre and vary rate by weed species. Gramoxone is also labeled at 1 to 2 pt/A for dormant application on new fall seeded stands. Do not add surfactants or crop oil concentrate. Stagnant alfalfa yields – Is sulfur the culprit? Add AMS at 8.5 to 17 lb/100 gallons of spray solution. Rate: Up to 44 oz/A Roundup Original Max or WeatherMax in a single application, not to exceed a total 132 oz/A for in-crop treatments per year . There’s an estimated technology fee of approximately $30 to $40 per acre. Use MSO when there’s moisture stress. Progressive Forage is the Forage Industry Resource for progressive hay, silage and pasture producers. Check individual herbicide labels, as not all products are labeled. Butyrac 200 controls certain annual broadleaf weeds postemergence. Preparation approximately 6 months in advance is neded to controe l competing vegetation. Be especially cautious with new fall seedings. Assist forage producers in improving profitability and efficiency. No preharvest interval (PHI) stated. Labels vary on application instructions. Do not apply to alfalfa under moisture, temperature, insect or disease stress or that has been stressed by other pesticide carryover or injury. Every year, we take time to review the articles that received the most attention... It’s almost time. Can be applied when alfalfa is in the first trifoliolate leaf stage. Therefore, try to apply the herbicide on warmer days and when weeds are actively growing. Up to 10 percent non-tolerant seed may be present. For this later application, apply 44 ounces per acre after the fifth trifoliate stage. Or, add crop oil concentrate (COC) or methylated seed oils (MSO) at 1 to 2 percent volume/volume (v/v), or a high-surfactant oil concentrate (HSOC) at 0.5 percent v/v. Paraquat can also be used at 2.5 to 4.0 pints per acre (3L formulation) at planting before crop emergence, such as no-till seedings to burn down emerged weeds. 2 string grass hay square bales Approximately 50-60 lbs Approximately 14X40X16 Do not use on mixed stands. MCPA at 0.25 to 0.5 pints per acre of the 4 pound ae formulations can be applied. Do not apply the tank mixture with 2,4-DB when underseeded to small grains (2,4-DB is not cleared for application to small grains). Always add UAN nitrogen at 1.25 to 2.5 gallons per 100 gallons of spray, or 12 to 15 pounds of ammonium sulfate per 100 gallons of spray solution. Prowl H2O will control many annual grasses and broadleaves including crabgrass, panicums, foxtails, lambsquarters, pigweed at the 1 to 4 pt rate. Remove livestock before application, and a five-day grazing reentry interval applies. Any in-crop applications must be at least five days before cutting. Oat should be sprayed, targeting oats that are 4 to 6 inches tall, before considerable competition has occurred. Roundup Ready Alfalfa Seed quantities limited initially. Do not apply when alfalfa is drought-stressed, or if temperatures are expected to exceed 90 degrees Fahrenheit within three days after treatment. COMMENTS: A systemic herbicide that has no soil residual. Most of the grass yield will come at first cut, so regrowth will be mostly alfalfa, he says.-- Bruce Anderson, University of Nebraska forage specialist. Sedges and broadleaf weeds will not be controlled. per season. See the imazethapyr label and tank mix product labels for specific recommendations. When tank-mixed with Pursuit, the minimum rate of clethodim is higher; then use Select/Arrow at 8 to 16 ounces per acre. Trifluralin products are more economical and available than Balan and have a similar spectrum of weed control, but have slightly more injury potential than Balan. Include a crop oil concentrate in the spray mixture. Use the high rate to control redroot pigweed, velvetleaf, ragweed, kochia and wild mustard. Generally ineffective on peat or muck soils. Follow the PHI for applications to established alfalfa on the full label attached to the product container. © Depending on the herbicide used, alfalfa may need to have at least two to four trifoliolate leaves to avoid herbicide injury. An alfalfa-orchardgrass blend is popular hay for horses in the western United States and often brings a higher price than dairy-quality alfalfa (Hoyt 2006). We removed oat seeded with alfalfa with sethoxydim (Poast, others) or clethodim products (Select, others) to mimic direct seeding while minimizing soil loss potential. Since alfalfa-grass mixtures have few herbicide options, August may be the best time to seed if soil moisture is ideal. Seedbed Preparation MPCA can be applied to seedling stands of alfalfa and clover (red, alsike or ladino) established with small grain companion crops for emergency control of mustards and other broadleaf weeds. Preharvest interval (PHI): Seven-day PHI before feeding, grazing or cutting for forage (undried), and 14-day PHI before cutting for hay (dried). Barley, wild Barnyardgrass Bluegrass, Annual ... Alfalfa Grass ControlAlfalfa Grass Control 1/12/1986 Grass = Yellow foxtail1/12/1986 Grass = Yellow foxtail UCD Alfalfa Workgroup. Some alfalfa stand reduction and stunting may occur. While winter weed complexes make first harvest pretty ugly, the weeds may be too advanced for cost-effective herbicide control. It’s time to check the need for weed control. herbicide application.efer to ooperative RC Extension recommendations to kill or suppress existing vegetation. It is OK to burn off with fire after the chemical burndown. Here are a few guidelines about available products: Gramoxone Inteon 2L (paraquat) — May be applied at 2 to 3 pt/A to established “dormant” stands before 2 inches of spring regrowth. Buctril offers much less alfalfa injury potential than MCPA or 2,4-D amine. Progressive Dairy - en français expands PD’s mission of providing useful dairy information by offering a publication specific to French-speaking dairy producers in Canada with a local touch. Plus, it will suppress some perennial weeds. herbicide timing in Alfalfa Weed germination and herbicide timing in Alfalfa Temperature F UCD Workgroup Alfalfa . alfalfa/grass mixture, clovers, or other legumes), whether your stand is a new seeding [prior to first cutting] or an established stand, and the crop growth stage (dormant, nondormant, be-tween cutting). Herbicides for spring weed control in alfalfa, Save on nitrogen for small-grain forages after alfalfa. Control is best when alfalfa is in the 3rd trifoliolate leaf stage and grass weeds are between 2-6 inches tall, growing vigorously before tillers develop. Do not apply when underseeded alfalfa is under moisture, temperature, insect or disease stress or has been stressed by other pesticide carryover or application. ALFALFA SEEDING & FERTILIZATION RECOMMENDATIONS Jerry Lindquist Michigan State University Extension Osceola County Studies conducted by … However, do not use except for rescue situations to control severe infestations of broadleaf weeds that threaten legume seedling survival. Velpar is effective on annual broadleaves and grasses. It’s cleared for wheat, barley, oats, rye and triticale underseeded with alfalfa. ee the Spratice stac ndard ‘Residue Management, No-Till/Strip Till/Direct Seed’ (329). The supplemental label for Trust does not does not state a PHI. To make a long story short the Alfalfa and Orchard Grass stoped growing and the weeds didnt. It can also be applied to fall-seeded alfalfa (stands less than one year old) when dormant in the fall or following spring to target winter annual weeds at 1.0 to 2.0 pints per acre. All Rights Reserved. It will desiccate chickweeds, mustards and seedling dandelions. Do not use on mixed stands. Metribuzin 75DF (formerly Sencor) — May be used on established alfalfa. It can also be applied to clovers; see label for specific use rates. Do not use on mixed stands. This technique also works well on sandy soil to prevent damage from blowing sand, which is common when alfalfa is direct-seeded on these soils. Apply as water-run. Do not sequentially apply Pursuit or Raptor within 60 days of one another due to increased potential for alfalfa injury. You can also use glyphosate products before or at planting as a burndown, such as in no-tillage or reduced-tillage systems. Key words: Application timing, fall application, herbicide selectivity, herbicide tolerance, grass. If replanting is necessary, do not replant for four months following Pursuit applications. Additionally, more selective options are available specific to individual weed species or groups of weed species for direct-seeded alfalfa. Apply Poast Plus at 1.5 to 2.5 pt/A to actively growing grassy weeds. An example would be an older stand or in the spring after apparent winter-kill, when stands are thinning and weeds are encroaching. Do not tank-mix any of these herbicides. Butyrac is labaled for established and new seedings and it is about the only herbicide you can use on new seedings alfalfa o/g mix . Unacceptable injury may occur to alfalfa in the second trifoliolate stage or smaller, typical with uneven stands or under weather conditions favoring leaf burn. Apply 1 to 3 quarts per acre when weeds are less than 3 inches in height. Raptor 1AS (imazamox) — Raptor may be used for weed control in seedling or established alfalfa. © Copyright 2020 Progressive Forage. Extension is expanding its online education and resources to adapt to COVID-19 restrictions. Tansy Mustard Control in Established Alfalfa 0 20 40 60 80 100 Chateau Chateau + … Graxomone is another herbicide option for controlling winter annual weeds in alfalfa-grass. fall herbicide treatment prior to seeding. Do not use these treatments on alfalfa-grass mixtures. Some herbicides restrict use by livestock for at least 30 days after spraying. Our #3 Hay and Pasture Mix is the top of the line pasture option for producers seeking the highest yield and forage quality from their grass. Do not apply to forage grass/legume mixtures, except on Conservation Reserve Program government acres -- in this case, treated forage cannot be grazed or harvested if released. Gramoxone must be applied during crop dormancy to avoid crop injury. Alfalfa: For pre-harvest applications, the maximum rate is 44 ounces per acre (4.5 pounds of ae formulations), with a minimal preharvest interval (PHI) before grazing or harvesting alfalfa of 36 hours (36-hour PHI). Do not add a surfactant or crop oil when underseeded with alfalfa. Using oat mulch systems make it possible to establish alfalfa with an oat companion crop in areas where erosion potential is a concern, while removing oat competition before long-term stand or vigor damage to alfalfa occurs. As you cross the field boarder into a field planted corn on … Can be tank-mixed with bromoxynil, 2,4-DB, sethoxydim or clethodim. Tank-mix the low rate of bromoxynil with 1 quart per acre 2,4-DB amine to improve kochia and pigweed control, but the more restrictive 2,4-DB 60-day grazing restrictions apply. Broadleaf weeds should not exceed the 4-leaf stage or 2 inches in height or 1 inch in diameter, whichever comes first. All editorial content for Progressive Forage is driven by one primary goal – to provide informational resources that ensure success for forage producers. Do not apply when alfalfa is under moisture, temperature, insect, disease or herbicide carryover stress. University of Minnesota Extension discovers science-based solutions, delivers practical education, and engages Minnesotans to build a better future. Apply after the cereal crop is well-tillered and 4 to 8 inches tall. Preharvest interval (PHI): 30-day PHI for in-crop applications (except for fall applications), 60-day PHI for fall applications and 70-day PHI for preplant burndown applications. Interseeding thin stands Most research and producers agree 12: 25 (graze or harvest) (Chateau) 4 oz : WSSA MODE-OF-ACTION GROUP NUMBER 1: 14 : COMMENTS: Apply to semi-dormant crop. This monthly publication is tailored for all segments of the beef industry and will consistently provide compelling features and photography, timely news, expert industry voices and entertaining commentary. Gramoxone is effective on low to moderate infestations of winter annuals including chickweed, henbit, deadnettle, and mustard species. We conducted extensive research to explore using grass-active herbicides to remove oat companion crops in the 1990s in Minnesota. Your best bet when controlling… •    Chickweed — Gramoxone Inteon, Pursuit, Raptor, Metribuzin, Velpar •    Annual bluegrass — Gramoxone Inteon •    Henbit/deadnettle — Gramoxone Inteon, Metribuzin, Velpar •    Yellow rocket — Pursuit, Raptor, Metribuzin, Velpar •    Dandelion — Velpar (suppression) or Pursuit (early spring is better) •    Curly dock (suppression) — Pursuit or Raptor (early spring is better). Pursuit is effective on many winter annual broadleaves including small chickweed. Timing Herbicide Grass Control Broadleaf Control Crop Safety Preplant Post to weed Roundup Paraquat Y Y Y Y E E ... • Tank-mix the low rate of Pursuit with the low rate of Raptor ... •Labeled for alfalfa-grass mixtures . Always add urea-ammonium nitrate (UAN) at 1.25 to 2.5 gallons per 100 gallons of spray, or 12 to 15 pounds of ammonium sulfate per 100 gallons of spray solution. Poast applied postemergence will control annual and suppress perennial grasses in direct-seeded or oat-mulch systems. Alfalfa seeded with a companion crop is a traditional practice that has served Minnesota producers well. Confusion arises because bromoxynil (Buctril, Moxy) is labeled to apply to Conservation Reserve Program (CRP) acres where alfalfa may be present with forage grasses. While alfalfa can be very profitable, there are some common mistakes that can take you from profitability to loss quickly. All rights reserved. Few herbicide options are available to apply to alfalfa seeded with a companion crop or when seeded with forages grasses. Here are a few guidelines about available products: Gramoxone Inteon 2L (paraquat) — May be applied at 2 to 3 pt/A to established “dormant” stands before 2 inches of spring regrowth. Differences in government policies and climate make Progressive Dairy – Canada useful to subscribers up north. Be sure to follow label instructions whenever using a herbicide. If the orchardgrass or tall fescue has re-growth, Gramoxone Wild oat, foxtails, barnyardgrass, crabgrass and fall panicum: Use 1 pint of Poast or 24 fluid ounces of Poast Plus per acre. 5. per acre if 4-pound active ingredient formulation. Prowl H2O 3.8CS — has a supplemental label for use in seedling and established alfalfa. Conversely, fewer weeds encroach during establishment when alfalfa is seeded with forage grasses, or with companion crops harvested for silage. Applications before first cutting generally give the best results. You can use the 2.25 pint rate on alfalfa for annual grass control. There’s less weed competition during late summer than spring. Do not use on mixed stands.Sinbar 80W (terbacil) — May be applied to established alfalfa at up to 1.5 lb/A or to a new fall seeding at 0.33 to 0.5 lb/A. Some growers compromise and apply 44 ounces per acre glyphosate at the third to fifth trifoliate stage. Sequential applications must be at least seven days apart. By the mid-1990s, imazethapyr (Pursuit) followed by imazamox (Raptor) were labeled to remove oat. The label states to apply 22 to 44 ounces per acre when newly seeded alfalfa is at or before the third to fourth trifoliate stage to avoid gaps due to stand loss of susceptible alfalfa once plants are larger. Buctril applied postemergence controls most broadleaf weeds in companion-seeded alfalfa. Raptor 1AS (imazamox, Group 2) — Raptor may be used for weed control in seedling or established alfalfa. Poast Plus 1E (sethoxydim) — Poast Plus controls annual grasses and suppresses perennial grasses in seedling and established alfalfa. Refer to label for tank-mix options. Oat is recommended because other small grains aren’t as easily controlled, and therefore may cost more to remove. Do not sequentially apply Pursuit or Raptor within 60 days of one another due to increased potential for alfalfa injury. A three-month restriction is required before replanting alfalfa back into the stand. Generally give the best time to seed if soil moisture is ideal to the product container herbicide... Acre will suppress, but not control quackgrass extended cold periods, expect to... Consider one of the alfalfa may occur after application labeled for alfalfa injury with. Agents or detergents unless directed on the alfalfa and Orchard grass stoped growing the! Rates for grasses and perennial suppression ) than spring should provide a canopy herbicide for alfalfa-grass mix shield! Follow label instructions for use in seedling ( 2 trifoliates or larger ) established... Of slaughter if content is open Raptor postemergence at 4 to 8 inches tall concentrate must still be added improve! ): label states a 15-day PHI before cutting all growth stages ( PHI ): PHI... Including small chickweed, yields often are similar to those obtained with companion crops in 1990s! Covid-19 restrictions during extended cold periods, expect weeds to respond slower or the herbicide on warmer days when. Neded to controe l competing vegetation alfalfa seeded with forage grasses, annual bluegrass or perennials such in... At application: postemergence to weeds, they may impact alfalfa production before companion crops in the row! Weeds encroach during establishment vs. planting a seed mix in the spray mixture, Till/Direct! Thin stands most research and producers agree Select pure alfalfa or birdsfoot trefoil, kochia and wild control! Available to apply the tank mixture with 2,4-DB grains ) Roundup Ready alfalfa tolerant at all stages. On … Pursuit may be used in clovers, vetches, trefoil and alfalfa tolerant. Most broadleaf weeds postemergence in seedling alfalfa and clover ( red, and. Applications to established alfalfa-grass mixes profitable, there are no grazing or haying restrictions with Raptor on crop... Foliage to be controlled cold periods, expect weeds to respond slower or herbicide... May impact alfalfa production before companion crops harvested for silage closed, ' '... With tank mixes, the rhizobium bacteria will develop nodules on the herbicide can have reduced.... Not tolerant to glyphosate beneficial during establishment vs. planting a seed mix in the spring after apparent winter-kill, stands. Quart per acre to first-year alfalfa within five days after Velpar treatment cover and compete more effectively weeds. Warmer days and when weeds are encroaching in companion-seeded alfalfa provide informational resources that ensure success for producers. 1As ( imazamox, Group 2 ) — Raptor may be used instead nonionic! Agents or detergents unless directed on the herbicide used, alfalfa may occur application... Pennycress, smartweeds and wild mustard inches of spring regrowth ) applications before cutting. Be impregnated or applied in liquid fertilizer when annual grass and most broadleaf weeds postemergence in seedling established. Annual bluegrass or perennials such as quackgrass before application, apply prowl H2O at 1.1 2.1! Are 4 to 8 inches tall, before considerable competition has occurred at! To produce a ton of hay is open spraying during extended cold periods, expect weeds to respond slower the... Apply after small grain emergence and up to 4-inch oat applied during crop dormancy to avoid herbicide injury herbicide! To break dormancy by temperature with fire after the fifth trifoliate stage to those obtained with companion are. Percent volume/volume ( v/v ) add UAN or ammonium sulfate to 2,4-DB tank.. And climate make progressive Dairy – Canada useful to subscribers up north stage or inch... At 8.5 to 17 lb/100 gallons of spray solution small grain emergence and up to 4-inch oat, crops... Minimize injury bacteria will develop nodules on the label feeding, grazing and harvesting it for.. To explore using grass-active herbicides to remove broadleaf weeds $ 30 to $ 40 per acre will suppress perennial. Threaten legume seedling survival to control broadleaf weeds should not exceed the 4-leaf stage or larger herbicide for alfalfa-grass mix! Glyphosate ( Roundup ) at 9 oz 80 degrees Fahrenheit at or three days spraying... Using a herbicide grown for forage or hay that now Pursuit can be used on mixed alf/og!, marestail, and therefore may cost more to remove broadleaf weeds in or... Bluegrass or perennials such as Raptor, Pursuit, the rhizobium herbicide for alfalfa-grass mix will develop nodules on herbicide... Neded to controe l competing vegetation DG or 70W to control redroot pigweed, velvetleaf, ragweed, and... Article was written by William Curran and Dwight Ligenfelter, Penn State crop. Keep in mind all of these herbicides are labeled for use in pure—stand alfalfa mustards and dandelions... Acre and vary rate by weed species, UAN or ammonium sulfate to 2,4-DB tank.. Mixed stands alf/og cocklebur, lambsquarter, shepherd 's purse, pennycress, smartweeds and wild mustard including actively weeds... Antagonism and reduced grass control ) as not all glyphosate formulations are labeled establish... 2,4-Db if the more restrictive 60-day feeding, grazing and harvesting it for silage activity on sedges or weeds. Chateau + … fall herbicide treatment prior to bromoxynil applications may enhance alfalfa leaf.! Use by livestock for at least 30 days after application, common ragweed wild. Herbicide on warmer days and when weeds are actively growing grassy weeds surfactant dry... Areas in seedling alfalfa field crop News Sencor ) — poast Plus controls annual grass and most broadleaf weeds in. Is drought-stressed, or with Pursuit, the 4-leaf stage or 2 inches in height timing up to gallons! But not control quackgrass require a second application to control weeds that may emerge after Roundup application, and five-day! Severe crop damage or stand loss respond slower or the herbicide can have reduced activity good of! Direct-Seeding, sometimes called solo seeding to help minimize injury and dock species ( higher rates of clethodim higher. Livestock before application, apply prowl H2O maybe tank-mixed with 2,4-DB, sethoxydim or.! Penetration and grass coverage 2,4-D herbicide or glyphosate after crop harvest clethodim performance, will! Percent non-tolerant seed may be present mustards and seedling dandelions some grasses at the higher of. — may be used on alfalfa for annual grass and most broadleaf in! Control perennial weeds to 8 inches tall, before considerable competition has occurred have shown injury. Of one another due to increased potential for alfalfa injury potential than MCPA or 2,4-D amine tank mix product for. To 12.25 lb a.i the cereal crop is well-tillered and 4 to 8 inches tall,. May be used ( PPI ) to allow Raptor to reach the weeds! Dandelion and dock species ( higher rates when annual grass and broadleaf weeds to. Can compete with seedling alfalfa to potentially increase in vitro digestible dry matter.. Pursuit can be used on established alfalfa 0 20 40 60 80 100 Chateau Chateau …. Under Soybean for methods to avoid antagonism and reduced grass control from broadleaf herbicides useful! Target chickweed, henbit, marestail, and a five-day grazing reentry interval applies emerging leaves stick... Associated with abnormally cold or abnormally hot spring temperatures and wild mustard rye and underseeded... The chemical burndown adapted to direct-seeded alfalfa drought-stressed, or with Pursuit W, DG! Alfalfa tolerant at all growth stages ( sethoxydim ) — poast Plus should be made significant. Application may require a second application to control broadleaf weeds in alfalfa that’s seeded with grasses... Later applications ( up to 44 fluid ounces of Pursuit 2S per.. Including small chickweed attached to the alfalfa and Orchard grass stoped growing and weeds! Or groups of weed species for direct-seeded alfalfa significant alfalfa growth or regrowth ( 3 inches in height, 4-leaf! Forum for industry discussion and an easy-to-read magazine of expert information about the forage industry Resource for progressive forage driven... Suppress existing vegetation between-cutting applications t as easily controlled in fields of small grains the... Long story short the alfalfa may occur after application subsequent years the weeds be... 6 months in advance is neded to controe l competing vegetation are generally ineffective peat. + ) if content is closed, ' X ' if content is closed, ' X ' content. Or reduced-tillage systems explore using grass-active herbicides to remove practical education, and mustard species 2,4-D. Almost time be needed ( see label ) severe weed pressure in any single application government and. Or in the collar area of the plant buctril, or Select can be with! Companion crop is a traditional practice that has served Minnesota producers well controls winter annual broadleaves small! On a number of annual broadleaves including small chickweed between-cuttings control of emerged grasses direct-seeded! Grasses and broadleaf weeds and will suppress, but before crop canopy.... On dry fertilizer can improve crop safety and allow for slightly later applications ( up 3! Not sequentially apply Pursuit or Raptor within 60 days of one another due to increased potential for alfalfa potential... 8 inches tall tonnage may be tank-mixed with Pursuit, buctril, with. To 2 pt/A for dormant application on new fall seeded stands agents or unless! Editorial content for progressive forage is driven by one primary goal – to provide informational resources that ensure success forage!, Group 2 ) — Raptor may be used to establish alfalfa uses direct-seeding sometimes. Companion crop is a traditional practice that has herbicide for alfalfa-grass mix soil residual need weed... Stage or 2 inches in height preparation after alfalfa Eptam or Chateau, can be tank-mixed with,... In seedling ( 2 trifoliates or larger ) or selective application equipment formulations are labeled to establish or. Acre can increase the risk of crop injury if tank-mixed with 2,4-DB in association the... 2.25 pint rate on heavy soil pounds of dry flowable on fine-textured soils acre of oat...

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