Controlling blossom blight challenging in alfalfa Dec 7, 2012 News. UC IPM Pest Management Guidelines: Alfalfa UC ANR Publication 3430. Good quality large squares alfalfa. PDF | Dodder is a troublesome parasitic weed in alfalfa hay fields. Potential to reduce non fibrous carbohydrate (NFC) of dairy rations – Too much readily fermentable carbohydrate can reduce milk production through acute or sub acute rumen acidosis. 308-962-6399 70DG Apply overtop in seedling or established alfalfa to control several annual broadleaf weeds and some annual grasses. There is no preharvest or pre-grazing interval for Prowl H2O-treated grass forage, green chop, silage, hay, or pasture. Million dollar question right? Not labeled for use in alfalfa establishment Do not apply less than 50 days prior to alfalfa harvest. By applying glyphosate according to the size of the weed, and not the crop, weeds can be controlled early in the life of the alfalfa stand before they compete with and damage the crop, a problem that exists with conventional alfalfa herbicide programs. Broadcast seed perennial forages and drill small grains and Italian/annual ryegrass. For seedling alfalfa, Prowl H2O can be applied at 1–2 pt per acre once alfalfa has reached the second trifoliate stage of development but prior to reaching 6 inches in growth. 2AS or 1.44-2.16 ozs. Lack of effective weed control during stand establishment can dramatically reduce alfalfa yield, and result in poor stands, regardless of seeding rate. CONTROLLING WEEDS IN A GRASS-LEGUME MIXTURE Mark J. Renz1 Weeds can affect the establishment of any perennial system, especially forages. For example Hoy et al. Controlling Field Sandbur (Grassbur) in Turfgrass. I have also taken many calls from customers asking about their yellow hay fields. For the next time you plan to seed a new field into alfalfa and if there is some lighter soil. Grass and weed control in your conventional alfalfa field can still be controlled successfully with certain herbicides labled for alfalfa. There is no preharvest or pre-grazing interval for Prowl H2O-treated grass forage, green chop, silage, hay, or pasture. SPEDIZIONE GRATUITA su ordini idonei Most producers often conclude that alfalfa-grass provides more consistent yields of high-quality forage than alfalfa that's directly seeded alone. As little as 10 to 20 percent alfalfa in a mixture may increase grass production when alfalfa seed is properly inoculated; however, there must be at least 70 percent alfalfa in the mixture Alfalfa, Seedling or Established Pursuit 2AS or 70DG (Imazethapyr) 0.063-0.094 lb. Grass/alfalfa mixtures have higher total fiber than alfalfa alone which may be needed in some high corn silage rations. As warmer weather approaches, start thinking about controlling winter annual weeds (especially common chickweed) in alfalfa. So, how do you reduce the amount of foxtail and other weedy grasses in your hay? Pursuit is labeled at a rate of 1.08 to 2.16 oz/A for use in established alfalfa and alfalfa-grass mixtures and can be effective when applied on curly dock seedlings. CONTROLLING SUMMER GRASSES IN ALFALFA Wet soils in alfalfa fields right after cutting will certainly do one thing. Keep in mind, once the temperature rises and alfalfa starts breaking dormancy, it can quickly grow beyond the growth stage to safely spray some of these products. The use of Roundup Ready alfalfa allows glyphosate (Roundup) to be applied to emerged alfalfa at any growth stage without the risk of crop damage. Spring applications of labeled herbicides are effective in controlling wild carrot seedlings in other crops. Broadcast applications of 29-13-3-4 fertilizer at the rate of 335 pounds per acre (lbs./ac.) How to control weeds in my clover plot? “Grasses love nitrogen, and alfalfa is usually not … James A. McAfee, Ph.D. Monitor soil potassium levels. Print. The fiber of grasses is more digestible than alfalfa. However, some Melanoplus mexicanus grasshoppers did move from adjacent range land into the alfalfa, where they were destroyed by the residual action of the sprays. we have a field of alfalfa and orchard grass, the first two cutting this spring and summer were nice hay, but now at the end of july, the field is full of johnson grass. Managing tips Only keep stands three to four years. “Avoid using nitrogen fertilizers in alfalfa, especially if you have grass weeds as a problem,” he says. in each of three years increased productivity of desirable forage by an average of 76 per cent. The alfalfa he says controlling SUMMER grasses in alfalfa Wet soils in (! Dodder is a troublesome parasitic weed in alfalfa fields right after cutting will certainly one! 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