Reference: http://www.agriculture.com/crops/pesticides/fungicides/Consider-potential-disease-pressures-in-making-fungicide-decisions_180-ar4286 Corn is starting to tassel in the Midwest, and that means the time to apply fungicides — to both corn and soybeans — is nearly upon us. You may have made the decision to use fungicides this year, but have you chosen the right ones?...
Reference: http://www.agriculture.com/crops/pesticides/fungicides/Proline-480-SC-fungicide-approved-for-canola_180-ar2617 Proline 480 SC fungicide, manufactured and marketed by Bayer CropScience, is now registered for use on canola. The new active ingredient is a member of the triazolinthione class of chemistry. It gives growers with a new option for control of Sclerotinia stem rot. “Canola growers...
Reference: http://www.agriculture.com/crops/pesticides/fungicides/Bayers-Stratego-fungicide-receives-Section-3-label-for-soybeans_180-ar2518 Growers have a new choice for managing soybean disease. The U.S. Environmental Protection Agency (EPA) has granted a Section 3 label registration for use of Stratego fungicide on soybeans. Stratego is approved to control alternaria leaf spot, frogeye leaf spot, anthracnose, septoria brown spot, cercospora...
Reference: http://www.agriculture.com/crops/pesticides/fungicides/DuPont-licenses-new-fungicide_180-ar2011 The recent temporary embargo on 40 Kansas wheat fields is still a reminder to observe fungicide preharvest intervals (PHI). In question were late applications of Quilt and Bumper, fungicides that require a waiting period between application and harvest. Quilt requires 45 days and Bumper 40...
Reference: http://www.agriculture.com/crops/pesticides/fungicides/Mancozeb-achieves-reregistration_180-ar30 Dow AgroSciences has announced that the widely used fungicide mancozeb, the active ingredient in Dithane, has achieved re-registration after a rigorous regulatory review. The Environmental Protection Agency (EPA) is requiring some label changes based on their review. Dow AgroSciences and other mancozeb registrants voluntarily withdrew...
Reference: http://www.agriculture.com/crops/pesticides/herbicides/whats-new-well-kind-of-new-in-cn-soybe_179-ar51550 Every year, marketing representatives of agricultural chemical companies extoll the virtues of “new” herbicides. When the shiny veneer of marketing spin is stripped away, though, just new formulations or combinations of existing herbicide sites of action result. The last truly new corn and soybeans herbicides...
Reference: http://www.agriculture.com/crops/pesticides/herbicides/monsto-wts-retraction-f-disputed-iarc_179-ar48082 Monsanto officials came out swinging at a teleconference today, with officials criticizing the World Health Organization’s (WHO) International Agency for Research on Cancer (IARC) reporting that glyphosate (Roundup’s active ingredient) is probably carcinogenic to humans. “It is not a new study,” says Phil Miller, Monsanto’s...
Reference: http://www.agriculture.com/crops/pesticides/herbicides/enlist-weed-control-system-aimed-at_179-ar49444 Farmers will likely have another weed management tool next year with Dow AgroSciences’s Enlist Weed Control System. “We are waiting for (full) regulatory approval, but we are ready to go,” says Ben Kaehler, U.S. sales leader for Dow AgroSciences. This year, Dow had a stewarded...
Reference: http://www.agriculture.com/crops/pesticides/herbicides/grow15-weed-magement-focus-of-rochester_179-ar49487 The University of Minnesota has several research sites where farmers can evaluate different weed control programs. The particularly challenging weed at the Rochester, Minnesota site is giant ragweed. “Giant ragweed is truly our main concern,” says Lisa Behnken, Extension educator at the University of Minnesota....
Reference: http://www.agriculture.com/crops/pesticides/herbicides/how-to-mage-palmer-amarth_179-ar51557 “We don’t need any more weed problems; we have enough of our own,” says Jeff Gunsolus, Extension weed scientist at the University of Minnesota. Palmer amaranth, the native desert Southwest weed, is why he’s concerned. The drought-tolerant weed shares characteristics with waterhemp, so knowing what...