Integrated Pest Management

Uniformity of sprayer deposition needs improvement

Science Edition: Integrated Pest Management
The range in on-target spray deposition volume across the width of sprayers was unexpectedly large for this study. With each sprayer pass, some targets only received one third of the intended dose while others received triple the intended dose. “Characterizing turbulent spray deposition from self-propelled sprayers” Tom Wolf, Agrimetrix SaskCanola, Alberta Canola To find the...
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Genetics

Canola lines with corn genes yield more, have stronger stems

Science Edition: Genetics
CRISPR technology was used to generate a range of starch branching enzyme (SBE) mutants in canola. Sbe quadruple and sextuple mutants were used for expressing maize endosperm SBEI and effects on growth, morphology, flowering and yield determined. Introduction of corn SBEI into quadruple mutants (four canola genes edited) repeatedly led to increased total seed yield...
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Genetics

A new gene for blackleg resistance

Science Edition: Genetics
AAFC researchers completed the genetic mapping of blackleg resistance gene Rlm11. Rlm11 is effective against L. maculans isolates carrying the avirulence gene AvrLm11, which is found in 95 per cent of L. maculans isolates collected from Western Canadian canola farms. Canola lines with Rlm11 will enable canola farmers to effectively control the blackleg disease. “Introgression...
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Genetics

Researchers expand the spectrum of clubroot resistance

Science Edition: Genetics
Canola lines with a broad spectrum of clubroot resistance were developed, which are valuable for developing resistant cultivars by canola breeders. Additional developments can improve the ability to monitor changes in the clubroot pathogen race structure, as the pathogen evolves in canola fields on the Prairies. “Defining populations of P. brassicae with near isogenic B....
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Science

Canola meal a viable protein supplement for beef cattle

The study showed that canola meal, a high-quality protein source, may be more economically favourable than distillers’ grains when used as a feed supplement for beef cattle. “Comparing the protein source and frequency of supplementation of forage intake, competitive feeding interactions, and nutrient utilization for beef cattle fed low-quality forages” Gregory Penner, University of Saskatchewan...
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