Speed breeding: Researchers show wheat, canola and other key crops can be bred 6 generations per year

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Speed breeding: University of Queensland's Dr Lee Hickey is working with UK researchers to speed breed a variety of important food crops.

Pioneering new technology is set to accelerate the global quest for crop improvement in a development which echoes the Green Revolution of the post war period.

The speed-breeding platform developed by teams at the John Innes Centre, University of Queensland and University of Sydney, uses a glasshouse or an artificial environment with enhanced lighting to create intense day-long regimes to speed up the search for better performing crops.

Using the technique, the team has achieved wheat generation from seed to seed in just 8 weeks. These results appear in Nature Plants.

This means that it is now possible to grow as many as 6 generations of wheat every year – a threefold increase on the shuttle-breeding techniques currently used by breeders and researchers.

Dr Brande Wulff of the John Innes Centre, Norwich, a lead author on the paper, explains why speed is of the essence:

“Globally, we face a huge challenge in breeding higher yielding and more resilient crops. Being able to cycle through more generations in less time, will allow us to more rapidly create and test genetic combinations and find the best combinations for different environments.”

The international team also prove that the speed breeding technique can be used for a range of important crops. They have achieved up to 6 generations per year for bread wheat, durum wheat, barley, pea, and chickpea; and four generations for canola (a form of rapeseed). This is a significant increase compared with widely used commercial breeding techniques.

Read full, original post: Speed Breeding Technique Sows Seeds of New Green Revolution

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