weeds Archives - Page 5 of 16

As part of a series of weed abundance surveys, 2,277 fields across Saskatchewan were surveyed in 2019 and 2021. That data was used to provide metrics such as the frequency and density with which weed species can occur in a region after post-emergence herbicide application.

Herbicide-resistant weed update for Saskatchewan

Your biggest herbicide-resistant weed threats for 2023 based on the latest survey results

By Jim Timlick April 3, 2023

As any farmer will attest to, herbicide-resistant weeds are a growing concern on the Canadian Prairies. In fact, it’s estimated they cost farmers in Western Canada as much as $530 million annually in lost yields and alternative weed management practices. Charles Geddes, a research scientist with Agriculture and Agri-Food Canada (AAFC), who specializes in weed […] Read more

The first step in weed management is knowing what weed species you have in your fields.

Crops, Wheat & Chaff

Take an integrated management approach on problem weeds

Q & A with an expert

By Nathan Trowell March 31, 2023

Q: A dead weed is a good weed, so how do we better control and kill weeds in our crops? A: Implementing an integrated pest management strategy that incorporates best practices will help manage weeds. Pesticide use in agriculture allows us to grow more food, but it’s not a bulletproof solution to weed management. The […] Read more

Manufactured in Saskatoon, Sask., the Redekop Seed Control Unit can be fitted onto the back of a combine to provide harvest weed seed control.

Equipment, Features

Use multiple strategies to control weeds in your crops

Rising herbicide resistance means it’s time to broaden your weed control arsenal with chemical, mechanical and non-chemical methods

By Mark Halsall March 27, 2023

Herbicides have long been the go-to solution for Prairie grain producers fighting weed infestations. Over time, it has led to widespread resistance development in many weed species and a shrinking list of chemical options for controlling pervasive weeds like kochia and wild oats that have become resistant to multiple modes of action in recent years. […] Read more

Soybean growers in the Prairies should adopt prevention methods like those for clubroot as soon as possible to prevent major soybean crop yield losses.

Columns, Crops

Present and future plant disease and weed issues in the Prairies, Part 2

By Ieuan Evans March 21, 2023

It’s farm equipment that does the bulk of disease spread

In Part I of this discussion on plant disease and weed issues, I explored clubroot of canola. Now for the other nine listed and destructive disease and weed issues on my top 10 list. All nine of these disease and weed issues move from cropland to cropland in exactly the same way as clubroot of […] Read more

Crops, Wheat & Chaff

How to improve pre-seed herbicide applications

Q & A with an expert

By Ernie Nycholat March 16, 2023

Q: How can I improve weed control in my crops? A: There is a constant demand to improve overall weed control in our crops. Pre-seed herbicides are the initial application providing the base for that growing season. Growers battle change across the weed spectrum combined with the challenge of weed resistance management. Producers often ask, […] Read more

If your cropland is presently clubroot-free, keep it that way. Do not allow any mud-carrying equipment of any kind on your cropland other than your own farm equipment. Plant resistant varieties and keep the land clubroot-free to enhance your financial future.

Columns, Crops

Present and future plant disease and weed issues in the Prairies, Part 1

Disease prevention works if you follow standard crop biosecurity procedures

By Ieuan Evans March 6, 2023

Here are 10 of the more important disease and weed issues in Western Canada, but I could easily add 10 more. 1. Clubroot of canola2. Cereal cyst nematode3. Soybean cyst nematode4. Aphanomyces root rot of peas and lentils5. Verticillium wilt of canola6. Sudden death syndrome of soybean7. Potato cyst nematode8. Potato powdery scab9. Sclerotinia white […] Read more

It’s not just a matter of new resistant weeds turning up, weeds that already have resistance are also spreading out.

Columns, Crops, Editor's column

Editor’s Column: Outside-the-box weed control

By Mark Halsall March 1, 2023

It’s a frequent refrain on the Canadian Prairies — herbicide-resistant weeds are a growing problem that every farmer needs to take seriously. The alarm bells have been going off for some time, so most everyone in Canadian ag knows this by now. An example of that is a Canola Digest article from Jan. 6, 2023, on […] Read more

The green-on-green spray technology displayed here allows weeds to be detected and sprayed in a growing crop. Sprayer expert Tom Wolfe put spot spraying right up there in his list of top three transformative technologies during a recent presentation at the Manitoba Agronomists Conference.

Editor's column, Wheat & Chaff

Editor’s Column: Where the action is

By Mark Halsall February 10, 2023

There is no question spot sprayers are a hot topic in agriculture right now. As Scott Garvey reports in his article in our February 7, 2023 issue of Grainews, a new robotic spot sprayer called Solix from Solinftec, which is headquartered in São Paulo, Brazil, and in West Lafayette, Ind., could be available to Canadian […] Read more

Features, News

New herbicides and fungicides for 2023

Products to control key broadleaf and grassy weeds plus a new fungicide seed treatment designation

By Treena Hein January 31, 2023

Brand new herbicides from Gowan, Nufarm and more, plus a new fungicide seed treatment designation to control early season aphanomyces root rot in peas and lentils are heading your way in 2023. Please note, only brand new products released this year are included. Click here for a review of last year’s new offerings. BASF Voraxor […] Read more

Soybean field infested with soybean cyst nematodes.

Features

Plant parasites

Some soil nematodes can harm your crops. Here are the ones to watch for

By Treena Hein January 20, 2023

Some soil nematodes are beneficial, providing important soil health benefits for crops. However, there are some that can negatively affect pulses and other crops. According to Mario Tenuta, a University of Manitoba soil scientist, harmful soil nematodes can reduce yields by siphoning off the contents of roots and stems, robbing the plants of energy and […] Read more

U.S. livestock: Cattle futures higher on screwworm news

Trade mission heads for Japan as Canada becomes the country’s top pork supplier

U.S. grains: Soybeans drop on lack of Chinese demand, wheat hits contract lows

GFM Network News