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Bayer launches potato herbicide Sencor STZ

Bayer has announced the launch of Sencor STZ, a powerful and innovative new herbicide for broad-spectrum control of all major annual grass and broadleaf weeds in potatoes. According to a news release, Sencor STZ combines the trusted control of Sencor with a new Group 14 mode of action, providing Canadian potato growers a new weed control option for their field and offering a convenient resistance management tool. As a pre-emergent herbicide, Sencor…

Increasing the efficiency of fertilizer use in potatoes

The federal government is investing $1.8 million with the University of British Columbia (UBC) to determine carbon sequestration and greenhouse gas (GHG) emissions, and develop beneficial management practices (BMPs) for increasing the efficiency of fertilizer use in potato crops, and in blueberry and forage crops. According to the Dr. Rickey Yada, Dean, Faculty of Land and Food Systems at UBC, the project will provide new science-based knowledge on net GHG emissions by…

Precision application of nitrogen in potato farming using drones

Researchers at Wageningen University & Research are testing the use of drones to measure nitrogen needs in potato crops. The “Toward precision agriculture 2.0” research program includes a group of potato farmers carrying out test runs with sensor observations by drones. The drone images show exactly where they should apply more or less nitrogen on their fields, allowing farmers to use the product more efficiently. “Dutch potato farmers apply an average of…

Late blight found in Ontario spore traps

Late blight was found yesterday (July 19) in the Delhi area, in a field with two spore traps.  There were only a few plants with dried up lesions. According to the grower, he had sprayed Curzate + Bravo + Copper as a preventative treatment. This week, spore traps caught late blight spores in the Shelburne, Alliston and Simcoe Delhi areas. It has been a very wet year so far, and it is…

New label changes approved for Paradigm and Pixxaro

Western Canadian growers looking to rotate process and table potatoes on fields previously treated with broadleaf weed herbicides, Paradigm and Pixxaro, can now plant a minimum of 10 months after using either of the herbicides. Fields previously treated with Paradigm or Pixxaro can be seeded after a minimum of 10 months to a variety of crops. Which crops can be seeded depends on the herbicide, but both include: spring wheat, spring barley,…

Dicamba drift a new danger for potato growers

Crop damage caused by herbicide drift should be a risk on Manitoba potato producers’ radar this year. Soybean producers are gearing up to plant Roundup Ready 2 Xtend soybeans following European Union approval last summer. The soybeans are tolerant to both glyphosate and dicamba herbicides. But dicamba drift can cause irreparable damage in neighbouring potato crops, said Andy Robinson, a North Dakota State University extension potato specialist, during a presentation on herbicide…

Select potato growers trying soil fumigation for McCain Foods

CARIBOU, Maine — The largest buyer of potatoes in Aroostook County, McCain Foods, has started trials examining soil fumigation with several of its growers. More common in western states, fumigating soil to fight nematodes and soil-borne diseases is “not something we’ve done in Maine,” Erica Fitzpatrick Peabody, an agronomist with McCain Foods, said during the Maine Potato Conference in Caribou in January. In an effort to boost yields with its contract growers…

PMRA proposes phase-out of imidacloprid use

Health Canada’s Pest Management Regulatory Agency (PMRA) is proposing to phase-out all the agricultural and a majority of other outdoor uses of imidacloprid over three to five years. Imidacloprid (Admire) is a neonicotinoid insecticide used by commercial applicators and growers to manage insects on a large number of agricultural crops, including potatoes in which it provides extended control of Colorado potato beetle, aphids, potato leafhopper and potato flea beetle. Health Canada recently…

Bayer launches Velum Prime

Bayer has announced the launch of Velum Prime nematicide, the first non-fumigant nematicide registered for potatoes in Canada. Velum Prime is a new mode of action and chemical class (pyridinyl ethyl benzamide) for nematode protection. It offers growers effective nematode protection that helps sustain plant vigor and maximize crop yield potential. “The launch of Velum Prime in Canada provides protection against a yield robbing pest that, for many growers, didn’t have a…

Potatoes and biochar are not friends

Studies have shown that adding biochar to soil can improve soil fertility, increase nutrient utilization in plants, improve soil water-holding capacity, increase crop yield and reduce emission of greenhouse gases. However, if you are a potato farmer, your joy may be short-lived. Biochar and potatoes do not go very well together – at least not if you are aiming at saving water, according to results from Aarhus University in Denmark. During her…

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