Category: Pests

New residual herbicide tackles resistant weeds

Canadian corn and soybean growers have a new tool to tackle resistant and tough-to-control weeds. Zidua SC, a new Group 15 herbicide from BASF, will be available in 2018. Deven Esqueda, BASF corn and soybeans crop manager, says the herbicide is labelled for use in herbicide-tolerant soybeans and field corn. With the active ingredient pyroxasulfone,… Read more »

Soybean School: Why are plant leaves turning red?

Cold nighttime temperatures in recent weeks across Ontario are causing soybean plants to shut down. That’s one of the reasons why many growers are seeing oddly coloured leaves throughout their soybean crops. In this Real Agriculture Soybean School episode, Pride Seeds agronomist Dan Foster explains that in many instances the bronze and reddish leaves growers… Read more »

Corn School: Evaluating late-season northern corn leaf blight control

With late planting and slow maturity, much of Ontario’s corn crop may be in for a challenge as leaf diseases arrive in fields across the province. In this episode of RealAgriculture Corn School, we catch up with Ontario Ministry of Agriculture, Rood and Rural Affairs (OMAFRA) field pathologist Albert Tenuta in his leaf disease nursery… Read more »

Clubroot confirmed in northwest Saskatchewan

SaskCanola is letting canola growers in the northwest part of the province know clubroot disease has been found at high levels in the region. “We’ve been advised that one new field in the northwest region of the province is heavily infested with clubroot,” says Janice Tranberg, executive director, in a statement issued Monday. “In response… Read more »

Soybean School: No payback for white mould revenge spraying

White mould is showing up in soybean fields across Ontario, especially in areas that have consistently seen wet weather and moderate temperatures throughout the summer. In this episode of RealAgriculture Soybean School, OMAFRA plant pathologist Albert Tenuta explains that the fungicide timing for optimal control of white mould is as flowers emerge at the R1… Read more »

Clubroot found in Alberta’s Peace region

Alberta’s Peace region has taken flack over the years for its tight canola rotations. The snow-canola-snow rotation was once a laughing matter, but after today’s announcement the joke is no longer funny. The Canola Council of Canada has announced that clubroot has been discovered in the southeast corner of the northern Alberta region. This changes… Read more »

Corn School: Could 2017 be another vomitoxin year?

A late-maturing crop, difficult environmental conditions, significant insect pressure and potential for late-season leaf disease…although too early to tell – this growing list of factors could lead to another year of high vomitoxin levels in the Ontario corn crop. In this episode of RealAgriculture Corn School, OMAFRA plant pathologist Albert Tenuta takes a look at the… Read more »

Soybean School: Pre + post = successful IP weed control

What’s the best herbicide program for food-grade, non-GMO, identity preserved soybeans? It’s a common question OMAFRA weed specialist Mike Cowbrough gets from growers and we have the answer on this edition of RealAgriculture Soybean School. Cowbrough says there’s no magical herbicide that can handle all the challenges food-grade soybeans face during the growing season. But… Read more »

Pulse School: Lygus bugs in fababeans

Lygus bugs are known for attacking canola, alfalfa and sunflowers (you can probably blame the lygus for that gross seed), but they can also be a significant pest in fababeans — especially after their canola food source is harvested. In general, lygus bug species like to feed on the reproductive parts of plants. “Similar to… Read more »

Canola School: Weather aids arrival of diamondback moths

Numbers of diamondback moths have increased in Western Canada over the past couple of weeks, in part due to the dry weather and strong winds. In some areas where the canola is still in late bloom, they are causing a fair amount of damage. Héctor Cárcamo, entomologist with Agriculture and Agri-Food Canada, says the key to… Read more »

Soybean School: Getting fungicide timing right

A stretch of sunny, dry weather in Ontario has soybeans on the comeback trail. That also means that soybean fungicide timing is sneaking up on many growers as the crop picks up steam in mid July. In this edition of RealAgriculture Soybean School, BASF agronomist Ken Currah takes a closer look at the soybean fungicide… Read more »

Corn School: Managing western bean cutworm

It’s lining up to be a big corn pest year and the insect to watch for in the weeks ahead is western bean cutworm (WBC). In this edition of RealAgriculture Corn School, OMAFRA entomologist Tracey Baute explains that late planting across Ontario has left the young corn crop more susceptible to an increased number of… Read more »

Corn School: Fungicide strategies for 2017

When it comes to plant development and yield potential, Ontario’s corn crop is all over the map. With pollination quickly approaching, many growers are now wrestling with fungicide strategies for a highly variable crop. In this episode of RealAgriculture Corn School, BASF agronomist Ken Currah reviews the struggles of the 2017 crop and discusses where,… Read more »

Watch for these weedy invaders in Ontario

You’ve probably seen and heard reports of the impact invasive weeds like waterhemp and palmer amaranth could have on Ontario crops. While these two heavyweights tend to capture the headlines, there’s a host of other invaders also looking to find a home in your fields. At the recent Southwest Crop Diagnostic Day, Ridgetown College, University… Read more »

Wheat School: A new tool for assessing fusarium head blight risk

Fusarium, fusarium, fusarium. It’s certainly on many minds right now, with fungicide season underway and all too fresh memories of fusarium-infected grain from 2016 Since you can’t really scout for the disease, we have to use models, such as the brand new risk tool launched by the Alberta Wheat Commission and the Alberta Climate Information… Read more »