Oilseed rape: four to follow tall but stiff-stemmed. Rated mid for Two mainstream and two both speed of autumn development specialist new Monsanto winter and earliness of spring growth, the oilseed rape varieties will join variety suits a wide range of drilling the European market-leading dates and matures relatively late. Dekalb UK portfolio at Cereals. DK Expansion is likely to be Together with a range of other valuable agronomic characters, all four popular with former growers of the first RLM 7 variety, Excel or, carry the core DK traits of vigorous before that, Winner, says Will. establishment, double phoma “It’s a veritable yield and oil resistance and pod-shatter resistance. machine with great vigour but DK Expedient and DK less rapid development than Expansion are the mainstream many of our varieties. As a tall, additions to the current fourlater-maturing type, it will really strong Dekalb 2017 stable. reward the best agronomic input East/West RL candidate DK and sufficient patience,” he adds. Expedient has a gross output rating Alongside these mainstream of 107 per cent of controls. It’s fast introductions, the UK clubrootto develop in the autumn, early resistant and Clearfield portfolios are to grow away in the spring and also being significantly expanded noticeably early in its maturity. with the launch of DK Pliny and A stem canker resistance of 8 DK Impressario CL respectively. and light leaf spot resistance of A major step forward for those 6 give the variety a particularly keen to build clubroot resistance solid agronomic profile. into modern oilseed rape growing, Currently in NL2 testing, DK Pliny brings all the benefits of DK Expansion stands out for a vigorous establishment, double gross output of 116 per cent phoma resistance and podof controls and oil content of shatter resistance together with 46 per cent in NL1 trials. competitive performance for One of the highest-output Brock LAMMA A5ever landscape_Layout 1 04/05/2017 13:39 Page 1 this increasingly important part varieties bred by Dekalb, it’s

of the UK market, says Will. “An East/West RL candidate, it’s showing a treated seed yield as high as the best currently Recommended clubroot-resistant variety together with the sort of agronomics previously only available in susceptible varieties,” he adds. “At a time when more and more growers are finding clubroot problems in land without any history of the disease, this is an especially timely development, not least for the fact that DK Pliny is also notably early to mature.” Adding to the choice of varieties tolerant to the herbicide imazamox, DK Impressario CL is another very timely introduction in meeting the escalating level of demand for the Clearfield production system. The area sown to Clearfield varieties more than doubled last season and considerable further expansion is foreseen over the coming seasons as growers reap the benefits of the greater weed control flexibility and reduced erucic acid contamination risk the system provides, as much as its ability to control problem cruciferous weeds.

Dekalb technical specialist Will VaughanFrance.

Will says: “DK Impressario CL stands out from the competition for providing the Clearfield trait in a well-rounded agronomic package comparable to mainstream Dekalb varieties, so growers can also be assured of the least production risk and the greatest flexibility in its management.” Seed of all four new varieties is likely to be available in limited quantities for planting this autumn, ahead of their main commercial introduction in 2018. ■ Stand 637.

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