(ProvenSeed.ca)

Canola program stacks genes against new clubroot

Rather than send out a canola variety with a single source of resistance against clubroot — especially the disease’s most recent pathotype — Agrium’s CPS division has stacked several sources into the new hybrids it’s sending for testing this summer. Crop Production Services on Monday announced its “next generation” of Argentine canola hybrids shows “high […] Read more

(Alberta Farmer Express photo by Jennifer Blair)

Clubroots beating all resistant canolas across Alta.

A study of 27 canola fields across Alberta has found 16 infected with clubroot pathotypes able to cause “high levels” of the disease — in canola plants with clubroot-resistant genetics. What’s more, the clubroot pathogen isolated from “many” of the infected fields in the study was virulent on all clubroot-resistant canola cultivars, the Canola Council of Canada […] Read more


CS2000, shown here in field trials in August 2014, is billed as having “intermediate” resistance to the recently-discovered clubroot pathotype 5x. (BehindTheSeeds.ca)

Against clubroot, ‘I’-rated canola sits between ‘R’ and ‘S’

A new canola variety billed with “intermediate” reaction against a new pathotype of clubroot is being placed in the zone between “resistant” and “susceptible.” Canterra Seeds, the Winnipeg firm marketing the new CS2000 hybrid variety, clarified its claim for the seed in a statement on a company blog Wednesday, granting many growers may be seeing the […] Read more