Early seedling management of Roundup Ready alfalfa is somewhat different than with regular alfalfa. Growth regulator herbicides such as 2,4-D and dicamba are the most common herbicides for removing alfalfa prior to crop rotation in no-till conditions. Measures to reduce the potential of developing glyphosate-resistant weeds can include crop rotation, herbicide rotation, proper herbicide rate, proper herbicide timing, and alternative weed control methods such as tillage and mowing. Did any drift occur? If they are at a threshold level, you may want to tank mix an insecticide with the Glyphosate to kill the weevil and have two or … Roundup Ready alfalfa should also be removed by similar methods. If necessary, the spring application should be made when weeds are actively growing but less than 4 inches tall. With the broadest application timing window plus excellent crop safety, Roundup Ready Alfalfa requires minimal waiting — only 5 days before grazing or harvest. Late summer seedings may have glyphosate applied in the fall or spring to control weeds. However, in plants that are Roundup Ready, a modified EPSP synthase is unaffected by glyphosate and allows the plant to continue growing. 1992. Fortunately, if you treat your alfalfa as soon as possible during upcoming spring-like weather, you can have cleaner, healthier alfalfa at first cutting. What you definitely want to check the alfalfa for is weevil activity. The importance of this herbicide application is two-fold. ... Making Your Alfalfa Better #791 (Air Date 6/2/13) - Duration: 6:35. Roundup Ready alfalfa incorporates genetic resistance to the herbicide glyphosate (Roundup, Touchdown, Glyphomax, etc.) Eliminating competition will help establish thicker, more productive stands more rapidly. Roundup Ready Alfalfa spraying - posted in Alfalfa/Hay: I have a field of RR alfalfa. Roundup Ready soybeans patent expired in 2014. Roundup Ready technology has been successfully incorporated into alfalfa and is scheduled for commercial release in 2005. ALFALFA WITH ROUNDUP READY GENE - ANNUAL WEEDS General Information SEED POTATO PRECAUTION Potatoes grown for seed are very sensitive to glyphosate at extremely low concentrations. Currently, there are no herbicides labeled for use in new alfalfa-grass seedings, so Roundup Ready alfalfa may be an option. In the Northeast, alfalfa is often seeded with a grass in a mixed stand. Results may differ with variations in alfalfa size, temperature, and rainfall. Therefore, with alfalfa, management practices will not only affect the first harvest of the crop, but will also affect subsequent harvests within the life of the alfalfa stand. Alfalfa is also used for greenchop and silage in many areas. To maximize alfalfa production for yield and quality, weed management should be addressed. Weed Science 21:400-401. However, when glyphosate is applied to seedling alfalfa, the removal of the nulls has no impact on the future production of the stand. If you take care of your part of this process, then the special seed coating plus excellent weed control with no crop injury that you get with Roundup, and a little cooperation from Mother Nature, will give you good stands from less seed. Jung, J.G. See All Pest, Disease and Weed Identification, See All Beer, Hard Cider, and Distilled Spirits, See All Community Planning and Engagement, 22 to 44 fl. Progressive Cattle magazine captures the essence of the cattle producer and ranching experience. Similar to other Roundup Ready crops on the market today such as corn and soybean, a single bacterial gene that modifies 5-enolpruvylshikimate-3-phosphate (EPSP) synthase has been inserted into the alfalfa plant to allow resistance to glyphosate. In addition, due to the unique cropping practices do not plant Genuity Roundup Ready Alfalfa in Imperial County, California, pending import approval in China and until Monsanto grants expressed permission for such planting. Once herbicide-resistant weeds become established within a field, the herbicide becomes ineffective against those weeds that are resistant. The 3 to 5 trifoliate stage recommendation applies to both spring and late summer seeded alfalfa crops. These herbicides tend to cause less injury to your alfalfa. If your alfalfa variety is Roundup Ready, you can spray almost any time without hurting your alfalfa. 2,4-D and dicamba can be applied in the fall or spring prior to corn but should be applied to alfalfa that is actively growing with at least 10 inches of spring growth or 6 inches of post-harvest regrowth. This year I was thinking of planting them in roundup ready alfalfa figuring I could atleast spray roundup over the summer to keep the broad leaf weeds and grass down, and then maybe go back to clover in a year or two. If the alfalfa isn’t a Roundup Ready variety, glyphosate can be applied 36 hours or longer before harvesting. into the alfalfa plant. Martin. You can mix 44 oz of Glyphosate in your 26 gallon spray tank and use a surfactant if you desire, but it is not necessary. Dicamba may range from zero to 30 days. If weeds get more than 3 inches tall or alfalfa begins to form a canopy, weed control may not be as effective. 1 Labeled for seedling alfalfa only.2 Select and Poast Plus also labeled for grass control in alfalfa. Follow label guidelines.2 Herbicide should be applied to alfalfa with at least 10 inches of spring growth or after 6 inches of alfalfa regrowth. Date:26-Mar-12. It’s common to want to take a first cutting before killing an alfalfa stand and planting the field to a different crop. Specifically, a combination of 1 pt/acre of 2,4-D plus 1 pt/acre of dicamba (0.5 lb ae/acre of each) is the most effective control for Roundup Ready alfalfa; the combination of 2,4-D and dicamba is more reliable and effective than either herbicide alone (Table 3). Characteristics of alfalfa hay quality grades based on the relative feed value index. The rest is about 6 inches tall. Unlike annual cropping systems, alfalfa management differs greatly due to its perennial habit of growth. Vol is correct about weed control in Roundup Ready alfalfa using 22 oz. When rotating into other crops, some additional consideration should be made for removal of Roundup Ready alfalfa. Roundup Ready® (GENRR) alfalfa, which enables growers to apply glyphosate agricultural herbicides up to 5 days before cutting for unsurpassed weed control with excellent crop safety. Although Roundup Ready alfalfa can be an excellent option for weed control in alfalfa, it may not be appropriate for all situations. Roundup Ready alfalfa is a potential solution for historically weedy fields that are to be planted to alfalfa. The effectiveness of glyphosate and other herbicides on common alfalfa weeds are described in Table 1. Linn, and N.P. For perennial weed problems, glyphosate should be applied during early fall. 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 . The introduction of Roundup Ready alfalfa provides a new option for weed management in alfalfa. In a small area that hadn’t been sprayed, alfalfa was 8–12 inches taller than where glyphosate had been applied. Any comments with alfalfa or recurring weeds in clover would help. Roundup Ready alfalfa should be seeded at typical rates while the seedbed may be prepared through tillage or if suitable, through no-till. That's all there is to it. Similar to other Roundup Ready crops on the market today such as corn and soybean, a single bacterial gene that modifies 5-enolpruvylshikimate-3-phosphate (EPSP) synthase has been inserted into the alfalfa plant to allow resistance to glyphosate. Ratings are based on labeled application rates and alfalfa size or growth stage. Once conventional alfalfa starts growing, you can't control these weeds very well without hurting your alfalfa. In particular, alfalfa-grass mixtures and alfalfa seeded with companion or nurse crops are generally not suitable. Glyphosate, of course, is not effective in the control of Roundup Ready alfalfa; however, glyphosate alone is also not an effective means for control of conventional alfalfa. 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