Sunday, October 21, 2018

Kielder oilseed rape shows worth in first year

October 1, 2018 by  
Filed under Crops

Winter oilseed rape variety Kielder has proved its worth in its first year since arriving on the AHDB recommended list, says Spalding-based breeder Elsoms Seeds.

Although the scope of its AHDB recommendation was for the north of England, Kielder has proved to be a success story as fare south as Oxfordshire. Samuel Clarke grew the crop alongside Elgar, another well established OSR variety also bred by Elsoms.

“I’ve had previous success with Elgar so the decision to try Kielder from the same stable was not a particularly difficult one,” he says. “I also grew Flamingo and tried some Clearfield varieties to eradicate a build up of cruciferous weeds on some of my fields.”

Mr Clarke drilled Kielder in the first week of September last year at the recommended rate of 60 seeds/sq.m and was impressed at how quickly it established. Flea beetle is sometimes an issue so it was reassuring to have a variety which displayed such excellent early vigour, he says.

Crop management

Early crop management was relatively straightforward with the crop receiving 165k/ha of diammonium phosphate (DAP) followed by a phoma spray and a light leaf spot spray during the late autumn and early winter period.

“Despite the cold snaps and heavy snowfall during February and March the crop seemed to cope extremely well,” says Mr Clarke. “Although it wasn’t as early to flower as some other varieties that’s not necessarily a bad sign.”

Looking back at his field notes, Mr Clarke recalls that it flowered three days later than comparable varieties drilled at the same time. The flowering period itself was a little longer but there was no cause for concern in either observation and the variety flowered at an even rate.

“The spring vigour enabled me to save costs on applying any specific plant growth regulator (PGR) sprays but for insurance we did add a PGR to one of the two later flowering fungicides we applied after our spring stem extension fungicide.”

Challenging year

In a challenging season weather-wise, the final yield of 3.65t/ha was deemed an excellent result given the hot, dry summer which followed the late spring.

“We grew the Kielder crop on a chalky clay loam over chalk in conditions that can often make it tricky to establish a good seedbed, particularly in a dry autumn. But the soil retains moisture quite well which possibly helped during the recent dry spell running up to harvest.”

In terms of market potential, United Oilseeds seed manager Beckii Gibbs says Kielder offers excellent vigour in both autumn and spring. “With a very high gross output of 107% and oil content of 46.3% there are some big positives for bonus potential for growers.”

Speak Your Mind

Tell us what you're thinking...
and oh, if you want a pic to show with your comment, go get a gravatar!

 
barbour pas cher barbour pas cher barbour pas cher barbour pas cher barbour pas cher golden goose saldi golden goose saldi golden goose saldi golden goose saldi golden goose saldi doudoune moncler pas cher doudoune moncler pas cher doudoune moncler pas cher doudoune moncler pas cher doudoune moncler pas cher moncler outlet online moncler outlet online moncler outlet online moncler outlet online moncler outlet online