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Using vegetables to boost canola yield

Using vegetables to boost canola yield

An Alberta researcher will look at which genes from broccoli, cauliflower and other plants can support hybrid canola

By Diego Flammini
Staff Writer
Farms.com

A University of Alberta scientist will be sifting through vegetable genes to find out which ones can help increase canola yield.

“We’ll be looking at the genes of cauliflower, broccoli, cabbage and kale to identify which genes from these vegetables can increase seed yield in hybrid canola,” Plant Scientist Habibur Rahman told Farms.com.

Those vegetables belong to a species of plant known as Brassica oleracea. Others in this group include Brussels sprouts, collard greens and Savoy cabbage.

Rahman’s previous work proved that Brassica oleracea plants can improve canola hybrids because they carry genes for traits like early flowering and high oil content.

This research is an expansion of his past findings.

“Now that we know these plants can support canola, we’re going to pinpoint which genes are responsible for these benefits and use them to create better canola hybrids,” Rahman said.

But farmers shouldn’t expect to have these hybrids available to them soon.

He expects to test produce some of these hybrids in 2024-25 and field test them in 2025.

“From there, industry partners will have to decide which ones they approve of and use the parent line in their breeding program,” Rahman said. “You’re probably looking at six years before some commercial availability.”


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Wheat Yields in USA and China Threatened by Heat Waves Breaking Enzymes

Video: Wheat Yields in USA and China Threatened by Heat Waves Breaking Enzymes

A new peer reviewed study looks at the generally unrecognized risk of heat waves surpassing the threshold for enzyme damage in wheat.

Most studies that look at crop failure in the main food growing regions (breadbaskets of the planet) look at temperatures and droughts in the historical records to assess present day risk. Since the climate system has changed, these historical based risk analysis studies underestimate the present-day risks.

What this new research study does is generate an ensemble of plausible scenarios for the present climate in terms of temperatures and precipitation, and looks at how many of these plausible scenarios exceed the enzyme-breaking temperature of 32.8 C for wheat, and exceed the high stress yield reducing temperature of 27.8 C for wheat. Also, the study considers the possibility of a compounded failure with heat waves in both regions simultaneously, this greatly reducing global wheat supply and causing severe shortages.

Results show that the likelihood (risk) of wheat crop failure with a one-in-hundred likelihood in 1981 has in today’s climate become increased by 16x in the USA winter wheat crop (to one-in-six) and by 6x in northeast China (to one-in-sixteen).

The risks determined in this new paper are much greater than that obtained in previous work that determines risk by analyzing historical climate patterns.

Clearly, since the climate system is rapidly changing, we cannot assume stationarity and calculate risk probabilities like we did traditionally before.

We are essentially on a new planet, with a new climate regime, and have to understand that everything is different now.