At Agrii, seed technical manager, David Leaper sees the Recommended List as a good starting point for evaluating OSR varieties.
Eight (42%) of the 19 varieties making-up three quarters of this season’s winter OSR plantings have never been on the AHDB Recommended List.
Following in the footsteps of DK Extrovert and DK Exalte for beyond-the-RL genetic strength and ability is the latest variety from the Dekalb programme, DK Exstar.
Official output ratings are not something Scottish Borders grower, David Fuller-Shapcott of Sweethope Farm just outside Kelso considers important in his OSR variety selection
West Country grower, Chris Tanswell and his son, Ian are re-doubling their efforts to ensure reliable OSR establishment in the face of growing pressures from flea beetle.
The pace of all-round winter OSR variety improvement is being stepped-up massively through far more sophisticated use and application of DNA information at DEKALB’s much expanded and European breeding centre in Boissay to the south west of Paris.
August is the most important month of the oilseed rape year for Bo Jensen and his Agro Alliancen team near Ringe on Funen in central Denmark – both in planting and harvesting.
Organic oilseed rape may not have immediate appeal to most UK growers. But the 40ha, Danish manager, Bent Jensen grows annually at Strandegard Estate near Faxe on Zeeland are a real eye-opener – not least for the lessons they can offer conventional producers.
Field-scale variety trialling is a key element in manager, Lars Baeksted’s drive to improve oilseed rape performance across the 250 ha he grows on the Ovedskloster estate near Sjobo in southern Sweden.
Benchmarking their production systems against one another and other OSR growers across the country through the ADAS Oilseeds YEN competition is helping two forward-looking producers in the Scottish Borders fine-tune their improvement efforts.