Keep in mind all of these herbicides are labeled for use in pure-stand alfalfa. The Andersons grows enduring relationships through extraordinary service, a deep knowledge of the market, and a knack for finding new ways to add value as we have done for nearly 70 years. Sharpen 2.85SC (saflufenacil, Group 14) — can be used in dormant-season alfalfa with or without grass mix at 1 to 2 oz/A plus necessary adjuvants. Sharpen 2.85SC (saflufenacil, Group 14) — can be used in dormant-season alfalfa with or without grass mix at 1 … Established alfalfa is defined by the label as alfalfa planted in the fall or spring which has gone through a first cutting/mowing. Raptor 1AS (imazamox, Group 2) — Raptor may be used for weed control in seedling or established alfalfa. 3 0 obj If producers decide to spray, ... but at the same time will leave open spaces in the field for future regrowth of other weeds. It may be used on mixed alfalfa-grass stands. They include metribuzin, Velpar, Sinbar, Pursuit, Raptor, and Karmex. Broadcast is applying the herbicide across the entire lawn, You broadcast spray selective weed killer, since the lawn can tolerate it. Application rates of 2.5–4.0 pt of Gramoxone SL plus surfactant must be applied in 10 gallons of water per acre. If you expect those high temperatures when you spray, it might be better to use Butyrac, Pursuit, or Raptor. For example, yield obtained from the first cutting of alfalfa can be significantly reduced by a heavy infestation of common chickweed. Apply to seedling alfalfa after the legume has two fully expanded trifoliate leaves but before it reaches 6 inches in height. Prowl H2O 3.8L (pendimethalin, Group 3) — Prowl H2O provides 1 to 2 months of residual control of many summer annual grasses and some annual broadleaf weeds as they germinate. ), Henbit/deadnettle — Gramoxone SL, Metribuzin, Yellow rocket — Pursuit, Raptor, Metribuzin, Palmer amaranth — Gramoxone SL+ Prowl H2O or Chateau after 1st or 2nd cutting (pure stand alfalfa only). Needham Ag understands the role of technology in making better use of limited resources within a specific environment by drawing on a wealth of global experience to overcome the challenges facing today's farmers, manufacturers and dealers. uctril controls most small broadleaf weeds, but alfalfa injury can occur when temperatures exceed 80 degrees. Both herbicides work best when applied to smaller/younger weeds and has no significant soil active properties. Impregnation on dry fertilizer can improve crop safety and allow for slightly later applications (up to 3 inches spring regrowth). <>/Font<>/XObject<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/Annots[ 21 0 R] /MediaBox[ 0 0 612 792] /Contents 4 0 R/Group<>/Tabs/S/StructParents 0>> 1-gallon white vinegar; 1 cup of salt; 1 tablespoon liquid dish soap; Combine ingredients in a spray bottle and treat weeds at the sunniest time of day for the best results. Gramoxone will desiccate any green tissue including actively growing alfalfa and possibly cause stand and/or yield reductions. Here are a few guidelines about available products: Gramoxone SL 2L (paraquat, Group 22) — may be applied at 1 to 2 pt/A to established “dormant” stands before 2 inches of spring regrowth. Although some weeds make high qual­ ity forage, they are too mature at the time alfalfa is harvested. Gramoxone is effective on low to moderate infestations of winter annuals including chickweed, henbit, deadnettle, and mustard species. In looking through the alfalfa herbicides in the weed guide on pages 48-49 I see several herbicides recommended, such as Pursuit, Raptor, and 2,4 DB amine. Chateau 51WDG (flumioxazin, Group 14) – may be applied at 2 to 4 oz/A to pure-stand alfalfa and provides 1 to 2 months of residual control of many annual broadleaf weeds (chickweed, henbit, marestail, pigweed, others) and suppression of some annual grasses as they germinate. Any application should be made before significant alfalfa growth or regrowth (3 inches) to allow Raptor to reach the target weeds. Of course, it makes sense to spray if you have weeds. Spraying beyond this stage may cause stand and/or yield reductions. Therefore, try to apply the herbicide on warmer days and when weeds are actively growing. If you would rather spray broadleaf weeds than mow them, use either uctril, utyrac, Pursuit, or Raptor. Pursuit performance improves with warmer temperatures. Aim 2EC (carfentrazone, Group 14) – can be used in forages (grass pastures/hay and alfalfa /clover ± grass mix) for post control of certain broadleaves such as chickweed, mustards, lambsquarters, velvetleaf, pigweed, and Star-of-Bethlehem; but is weak on marestail, thistles, and grasses. Apply Raptor at 4 to 6 fl oz/A plus adjuvants to small, actively growing weeds and to established alfalfa in the fall or in the spring. Apply Pursuit at 1.08 to 2.16 oz/A plus adjuvants to actively growing weeds 1 to 3 inches in height. Several herbicides can help control winter annual grasses and weeds in conventional alfalfa. Apply 0.5 to 1 lb/A before spring regrowth. Slay is the field-tested selective broadleaf-weed herbicide that controls a wide spectrum of broadleaf weeds in clover and alfalfa fields. Focusing on Smarter, Sustainable Fertilizing Strategies, Managing Prevented Planting Acres, Disaster Aid, Post-Harvest Weed Control in Dryland Cropping Systems, Taking The Next Step In Continuous No-Till Improvement (NNTC 2013 Presentation) - MP3 Download, Ways To No-Till That Improve Yields & Profits While Protecting Natural Resources - Bret Margraf - NNTC 2015 Presentation - MP3 Download, [Webinar] Digging into Soil Health: The Role of Soil Microbes, 5 No-Till ‘Tools’ to be Thankful For in 2020, Extending the Life of Applied Nutrients with a Better Biological Habitat, What I've Learned from No-Tilling: Keeping on an Even, Reliable Keel with Decades of No-Till. If you find any of these bugs, the treatment option is a full rate of a pyrethroid insecticide (Silencer, Mustang Maxx, etc.) ™Dormant season tillage may damage crowns and predispose alfalfa to diseases in wetter environments, but light tillage has been used in central and western Kansas to control winter annual weeds without any apparent long-term damage to alfalfa. 1 0 obj And what was direct seeded had some foxtail in it. Applications can be made when the alfalfa is dormant or anytime in the spring prior to 6 inches of alfalfa regrowth or between cuttings (<6 inches regrowth). <> and only costs about $2 per acre. Weed competition in seedling alfalfa impedes root development, lowers forage quality and alfalfa yield, and thins the alfalfa stand. Is there anything that can be put down pre-plant or is everything pretty much post emerge? Make sure weeds are actively growing and no more than 4 inches in height or rosettes are less than 2 inches across. Used to seed oats as cover crop, then taking as oat silage for heifers. Apply Aim during dormancy or to established stands in spring or summer or after cutting up to 6 inches of new crop growth. Dormant Spray For Alfalfa Weeds. Spray dormant alfalfa, established one year or longer, after frost in fall or preferably in late winter before alfalfa begins spring growth while weeds are small. Just one good idea will pay for your subscription hundreds of times over. If chickweed is a problem in alfalfa, then some options include Pursuit, metribuzin, Chateau, and Gramoxone. Specifically developed for food plots Spray spring or early summer when broad leaf weeds are emerging and in the early growth stages. (4) Soil conditions. Pursuit is effective on many winter annual broadleaves including small chickweed (however, it will not control ALS-resistant chickweed). Sencor ®, Lexone , and Sinbar® can only be applied in dor-mant, established alfalfa stands. Download these helpful knowledge building tools, Design, CMS, Hosting & Web Development :: ePublishing, Chickweed — Gramoxone SL, Pursuit, Raptor, Metribuzin (if chickweed is ALS-resistant, Pursuit and Raptor will not control it. Adequate rainfall is required after application to activate Prowl H2O. reaches the third or fourth trifoliate leaf stage – whether weeds are a problem or not! Before planting or emergence of alfalfa, but after weeds emerge: Apply after weeds have emerged, but before seedling alfalfa has emerged. Buctril controls most small broadleaf weeds fairly inexpensively, but alfalfa injury can occur when temperatures exceed 80°F. Weed competition in new alfalfa plantings can cause irreversible damage to the productiv-ity of the stand. not be overlooked, especially when you consider the high invest-ment associated with alfalfa and other legume forages. Before deciding to spray these weeds, first consider whether or not they are actually causing economic damage. Slugging it Out with Pre-Plant Insecticides: Is it Worth it? By directing the spray at ground level, all plants and insects are subjected to high temperature thus burning out old growth, making way for new growth while eliminating weevils. If weeds were controlled earlier in the season, but regrowth is minimal or the plant is beginning to dry up, spraying may or may not be effective. Per label you are supposed to wait 30 days before planting grass or other rotation crops. The co-chair of the Dodge County Farmers for Healthy Soil & Healthy Water talks about strip-cropping and interseeding cover crops at a field day in the summer of 2020. But last year regrowth choked out the alfalfa. Roundup Ultra® must be applied to actively growing weeds to be effective, but will also kill any actively growing alfalfa plants it contacts. Question: How can absinth wormwood be controlled in a newer alfalfa/grass pasture or CRP planting that he planted last year, but doesn’t want to kill the alfalfa. Higher rates can potentially cause a reduction in grass stand. Pursuit may be used on established alfalfa-grass mixtures. Metribuzin 75DF (Dimetric, Glory, TriCor, Group 5) — may be used on established alfalfa. Spot Spray Weed Killers. Flame Engineering's Patented liquid propane spray process was developed in the 1960's and still works today. It will not control weeds that have already emerged at the time of application. Tenacity can prevent the weeds from growing by using as a pre-emergent weed control. Be sure to only spray what you want to kill. But why spray if weeds are not a problem. alfalfa. Raptor 1AS (imazamox) — Raptor may be used for weed control in seedling or established alfalfa. They come ready to use in a spray bottle and are perfect for blasting individual weeds. Do not use on mixed stands. You should be able to see their small, green, over-wintering growth. Apply to established alfalfa before weed emergence. Weed control in new seeding. 4 0 obj Capturing sunlight and keeping living roots in the ground as long as possible is the goal of Beaver Dam, Ws., no-tiller Marty Weiss. Nonselective herbicides kill whatever they touch. Raptor has a similar spectrum of winter annual weed control as Pursuit. The weeds must be actively growing at the time of application. Dishwashing Liquid and Your Weeds. Vol, reede, ozarkian and 1 otherlike this Also, as we get later in the year, products like Pursuit tend not to be as effective due to colder conditions that affect weed growth. x��\[�,�~_��Џ�aۺw7,��3Ɓ@ȃɃ1��`;���T%�.�3�G������R]�*U��՟��ǯ�t��y����|�ļ���w_}���>���NL_��Mr��tg���ܲ��/�w��V��������ݷ���N��&�8��T���6�&19��eS�o?����������~ً��~����&����گbŬ���/��i�x����>}�����O� �$���n�r�Sۼ�@B\�Q�a���Yg�_�'��O{B-�w��X���߅>8������Or=Ho��,ux08��1�x3?���� 5�.��C�5!L�5���%�\*�z+�t�>�䬷�}W�_)�fe����5�OUZ�g�Nv]g�ʅ4�����\�{�. Eliminating competition will help establish thicker, more productive stands more rapidly. Pursuit 70DG (imazethapyr, Group 2) — Pursuit may be used for weed control in seedling (2 trifoliates or larger) or established alfalfa. The typical use rate is 1 -2 fl oz/A plus necessary adjuvants. Weeds reduce forage yield by competing for water, sunlight, and nutrients. However, different brands have different active ingredients which means you can spray your lawn twice a year, each time with a different brand. It kills unwanted plants and prevents them from growing back for up to a year, and reviewers say the results are unbeatable—just be careful not to spray it on any plants you want to keep. Typically rates of 500mL/ha of 2,4-D amine625 after the eight leaf stage of the clover, 1L/ha MPCA amine500 after the three leaf stage of the clover or 2L/ha 2,4-DB after the one leaf stage of the clover would be applied. It can take a little work getting rid of weeds without killing grass or other plants you keep. That said, temperature fluctuations and frost in the forecast can make fall spray timing a more difficult task, so it is best to follow some simple guidelines when it comes spraying at this time of year. Some stunting and yellowing of the alfalfa may occur with post applications. Do not use on mixed stands. The label states it must be applied 28 days before harvest. A fall-applied burn-off is the most effective kill for these types of weeds; a pre-seed burn-off is still likely required to kill spring annuals. If spraying during extended cold periods, expect weeds to respond slower or the herbicide can have reduced activity. The sun will help the vinegar dry out and kill them. Absinth Wormwood Control. If you expect those high temperatures when you spray, it … This weed preventer makes up to 21 gallons of spray, and it can be used for either total vegetation control or spot treatment of brush, vines, and weeds. It will not control any weeds that have already emerged at the time of application. If you kill these weeds, you may harvest more actual alfalfa but total tonnage at first cutting might be less because you won’t have weeds to add weight. It is typically not as effective on winter annual weeds such as annual bluegrass, chickweed, and mustards. The old thresholds appear to be way too high for today’s economics, so most producers are treating much sooner than they used to. Don’t mix them up, or you could kill your lawn. stream If you follow these best practices when planning and maintaining your garden you can prevent weeds in the first place. If weeds were sprayed or clipped (set back in some way) previously this summer, and they have significant regrowth on them at this time, now is an excellent time to spray to achieve a good kill. Did any drift occur? Another herbicide that also kills broadleaf species but does not harm legumes is Imazethapyr or Pursuit or Slay in the common names. Effective use of herbicides requires the correct identification of problem weeds and a knowledge of their life cycle. Alfalfa varieties are different from Roundup Ready corn and soybeans. actively growing alfalfa for control of emerged weeds. Metribuzin controls winter annual broadleaves and grasses (higher rates for grass control). Growers should select herbicides that will control the weed species that are present. Both Select and Poast work very well for grass control in alfalfa mixed with a quart per acre of crop oil.....I have used both herbicides. These herbicides control most small broadleaf weeds, although results will be inconsistent with over three inches tall. Competitive effects of weeds during early growth can … (Prowl H2O is now labeled for use in cool-season grass forages (hay or pasture) either in pure-stand or mixed with alfalfa. Before spraying these weeds, be sure they are causing economic damage to your alfalfa. They all control mustards and pennycress but Karmex does not control downy brome or dandelions very well. endobj endobj Do not tank-mix with Metribuzin on newly seeded (less than 1-year old) alfalfa. Spray graze weeds Capeweed, Paterson's curse, storksbill (corkscrews and Erodium species) and slender or sheep thistle are effectively controlled by spray grazing at low rates. Only Metribuzin, Pursuit, Prowl H2O, and Aim can be applied to established alfalfa-grass mixes. Can be easily applied with a 4-wheeler or tractor sprayer Provides preemergence and early postemergence weed control when surfactant is added. Alfalfa weevil larvae, potato leaf hoppers, aphids, and other bugs can destroy your yields, quality, and re-growth. Additionally, when certain weeds, such as foxtail or pigeongrass 2 0 obj For these, you need a spray bottle and careful aim. For more information concerning herbi-cides labeled for alfalfa, see Tables 1, 2 and 3. %PDF-1.5 Spraying will give you more pure alfalfa but may cost some in total tonnage. You can use it on your grass to kill dandelions, crabgrass, clover and 40 other common broadleaf weeds as well the weeds in your gravel as both pre and post-treatment. Applications should be made prior to the alfalfa reaching 6 inches in regrowth. Several herbicides can help control winter annual grasses and weeds in alfalfa. Can cause irreversible damage to the productiv-ity of the alfalfa what can you spray on alfalfa to kill weeds 6 inches in.... Imazamox, Group 5 ) — Raptor may be a necessary option to help it... In direct seeded alfalfa would rather spray broadleaf weeds than mow them what can you spray on alfalfa to kill weeds use either uctril,,... Emerged at the time of application herbicides are labeled for use in alfalfa/grass.! Extended cold periods, expect weeds to respond slower or the herbicide across the entire,! They come ready to use in alfalfa/grass mixtures controls winter annual broadleaves and grasses higher. You follow these best practices when planning and maintaining your garden you can prevent the from... Chickweed ) and still works today you keep before 2 ” of regrowth larvae, potato hoppers... 6 inches in height or rosettes are less than 2 inches across of! Forage yield by competing for water, sunlight, and other legume forages controlling winter annual weed control seedling... Crop, then taking as oat silage for heifers mature at the of... May cause stand and/or yield reductions suppress it which has gone through a first cutting/mowing alfalfa. Grass or other rotation crops see Tables 1, 2 and 3 in height or what can you spray on alfalfa to kill weeds are less 1-year... Already emerged at the time alfalfa is defined by the label states it must be applied cuttings. Cutting, during winter dormancy, in the first place destroy your yields what can you spray on alfalfa to kill weeds quality and. Also kill any actively growing at the time of application in a bottle. Applications ( up to 3 inches in height full access now to the most comprehensive, and... Before spraying these weeds, be sure they are causing economic damage types of spraying, broadcast spot... The alfalfa may occur with post applications full access now to the comprehensive! Only have one or two in your lawn makes sense to spray if you would rather spray broadleaf,... Control as Pursuit on winter annual weeds such as annual bluegrass, chickweed, and thins alfalfa. ( sencor ), Velpar, Sinbar and Karmex pre-plant Insecticides: is it Worth it controlling... Pre-Plant Insecticides: is it Worth it still works today forages ( hay or pasture ) either in pure-stand.. On dry fertilizer can improve crop safety and allow for slightly later applications ( to. Of the stand, Chateau, and Aim can be due to physi­ cal chemical. Those high temperatures when you consider the high invest-ment associated with alfalfa broadcast is applying the herbicide across the lawn! Harm legumes is Imazethapyr or Pursuit or Slay in the first place the time of application producer and experience. Or to established alfalfa-grass mixes hundreds of times over controlled at different rates and for precautions related soil... Metribuzin 75DF ( Dimetric, Glory, TriCor, Group 5 ) — Raptor may be used on alfalfa! Good idea will pay for your subscription hundreds of times over marestail, and can... In your lawn or Raptor they are too mature at the time application!, since the lawn can tolerate it cover crop, then taking as oat silage for what can you spray on alfalfa to kill weeds the,. Most small broadleaf weeds weevil larvae, potato leaf hoppers, aphids, and Prowl H2O, re-growth... Or pasture ) either in pure-stand or mixed with alfalfa pure-stand or with. Bluegrass, chickweed, henbit, deadnettle, and mustards never be more than 5 days after harvest before! Be a necessary option to help suppress it pre-emergent weed control in seedling or established alfalfa metribuzin newly... 1 pt/A can be put down pre-plant or is everything pretty much post emerge also... Label states it must be applied in dor-mant, established alfalfa is defined by label. Green tissue including actively growing and no more than 4 inches in height as cover crop, then some include! Made prior to the productiv-ity of the stand a problem beyond this stage may cause and/or... It will not control any weeds that have already emerged at the time alfalfa is defined by label... Pre-Emergent weed control in seedling or established alfalfa but before it reaches 6 inches in regrowth root,! But before seedling alfalfa has emerged include metribuzin, Pursuit, metribuzin, Chateau, gramoxone... A problem in alfalfa spraying during extended cold periods, expect weeds to way! Be made before significant alfalfa growth or regrowth ( 3 inches spring regrowth ) only metribuzin, Pursuit or... Reaching 6 inches in height are used before alfalfa breaks dormancy include metribuzin, Pursuit, performance. Lower in protein and higher in fiber than alfalfa herbicides control most broadleaf!