Once more than four feet tall, modern wheat – the type grown in - TopicsExpress



          

Once more than four feet tall, modern wheat – the type grown in 99 percent of wheat fields around the world – is now a stocky two-foot-tall plant with an unusually large seed head. Dr. Davis says accomplishing this involved crossing wheat with non-wheat grasses to introduce altogether new genes, using techniques like irradiation of wheat seeds and embryos with chemicals, gamma rays, and high-dose X-rays to induce mutations.
Posted on: Thu, 06 Mar 2014 23:07:39 +0000

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