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Restriction of Neonicotinoid Uses to Take Effect in 2021

In April, the Pest Management Regulatory Agency (PMRA), a division of Health Canada, released its final decisions on the pollinator re-evaluations of three neonicotinoid insecticides: clothianidin (Clutch), imidacloprid (Admire), and thiamethoxam (Cruiser, Actara). Health Canada determined that the continued registration of imidacloprid, clothianidin, or thiamethoxam products are acceptable; however, certain uses have been cancelled to address possible risks to pollinators. Many of these cancelled uses affect Canadian fruit and vegetable growers. Bees…

From our Desk

What’s Old is New Again: Practical CPB Insecticide Resistance Management

  As growers head into another production season, some are concerned about Colorado potato beetle populations and rising neonic insecticide resistance.  Ian MacRae, a professor and extension entomologist at the University of Minnesota, offered some practical insecticide resistance management steps at Manitoba Potato Production Days in January in Brandon. MacRae kicked off the conference presentations with a talk about Colorado potato beetle management in a post-neonic world.  The bottom line is we’re…

Going Without Mancozeb

Canadian potato farmers could be facing higher production costs with the potential loss of a key weapon against late blight. Mancozeb is a relatively inexpensive, Group M fungicide that’s used extensively in Canada to combat late blight and early blight, with some growers applying the chemical up to 10 times per season on their potato fields. The broad-spectrum fungicide is currently under review by Health Canada’s Pest Management Regulatory Agency due to…

What’s the Best Choice for Orondis Potato Gold Usage?

In 2017, a very wet year, potato growers who used Orondis for late blight were very pleased with the performance of this fungicide.This year, potato growers can continue using Orondis for late blight during the season, as long as it has not been applied in-furrow at planting for pink rot control. What factors should be taken into consideration to decide on the application timing of Orondis? Orondis Potato Gold has been registered as…

New Tools for the CPB Toolbox

A study being conducted by researchers at Agriculture and Agri-Food Canada’s London Research and Development Centre could soon provide Canadian potato growers with new insight on how to fight one of the industry’s most troublesome pests — the Colorado potato beetle. The five-year study is officially known as the Development of Regional Management Strategies and Decision-Making Tools for Control of the Colorado Potato Beetle. Work on the project began this past summer…

Syngenta Launches Orondis Gold Potato Fungicide

Syngenta Canada Inc. has launched Orondis® Gold Potato fungicide for suppression of pink rot and Pythium leak in potatoes. Pink rot is a devastating soil-borne disease that thrives in wet, poorly drained soils and can survive in soil for up to seven years. Just a few infected potatoes entering the storage bin can result in substantial losses, infecting healthy tubers and compromising marketable yield. That’s why proactive management of the disease is…

Netherlands to Provide Around 1 Million Euros for Potato Impact Cluster in Bangladesh

The government of the Netherlands and Dutch businesses have inked an agreement to undertake a “potato impact cluster” project in Bangladesh. The Netherlands Enterprise Agency (RVO) and a consortium of Dutch businesses joined hands to share their experience and best practices with potato farmers in Bangladesh to improve supply chain in potato sector of Bangladesh. An amount of Euro 900,000 has been allocated for this three-year project, said the Bangladesh Embassy in…

In-Furrow Pink Rot Fungicide Control Active in September?

Most of you probably know that Orondis Gold Potato fungicide, a co-pack containing Orondis and Ridomil (active ingredients oxathiapiprolin and metalaxyl-M), will be available this spring to suppress pink rot and Pythium leak.  The registration is for in-furrow application, but pink rot usually develops at the end of the season.  Will Orondis applied mid-May still be active in September? My colleagues across the border always do a good job evaluating fungicides before…

BASF Launches Critical Insecticide for Use in Canadian Soybeans and Potatoes

Canadian farmers have a new tool to protect their soybean and potato crops in 2019 with the launch of BASF’s Sefina™ insecticide. Sefina utilizes a unique mode of action, Group 9D active ingredient Inscalis™, to quickly halt aphid feeding, reducing production losses and virus transmission. In research and commercial trials across Canada and the United States, Sefina showed extended control of up to three weeks against additional aphid pests that have, over time, developed resistance to other insecticides. “Canadian…

Soil Tilling, Mulching Key To China’s Potato Crop

When you think of China, do you think of potatoes? Maybe not, but in the Loess Plateau region of northwestern China, potato is the main food crop. Even though it is such an important crop there, potato yields are lower than they could be. The area has a dry climate with uneven precipitation. Droughts are common, especially in the spring when crops are just starting to emerge. If soil moisture was more…

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