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DK Extremus

The Outstanding Newcomer

DK Extremus is a very high yielding hybrid with high oil content 

Key Traits

Double Phoma Resistance

Double Phoma Resistance
"The combination of the RLM7 gene and Polygenic resistance provides durable protection against Phoma and outstanding resistance to the yield damaging stem canker."

Pod Shatter Resistance

Pod Shatter Resistance
Genetic resistance that minimises yield loss and volunteer issues caused by seed-shedding up to, and during, harvest

Vigorous Establishment

Vigorous Establishment
The ability to establish robust, well rooted plants that are best able to cope with challenging UK conditions.

Early spring regrowth

Early Spring Regrowth
Early restart to growth after winter to help with escape from insects and pests..

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Recommendations for Growers

  • Medium-Rapid Autumn growth habit – suitable for early drilling to early September
  • Seed rate should target an even plant stand of 25-30 plants/m2 in spring
  • Double phoma resistance means phoma leaf spot thresholds for treatment may not be met until later in the autumn if at all.
  • Light Leaf Spot should be monitored but strong resistance reduces the risk of severe infections.
  • Ensure the Green Area Index is accurately determined at the start of spring growth to guide appropriate nitrogen rates for optimal canopy size. Lodging risk with DK Exclaim is low but there may be a benefit from PGR use to optimise the canopy structure.
  • Pod Shatter Resistance reduces the risk of seed losses approaching and during harvest and will protect the crop where harvest is delayed
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Testimony

Richard Wainwright from North Yorkshire talks about their standout variety, DK Exclaim

 

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