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This Farm Grows Nematodes


Mitchum explained these research efforts as part of The SCN Coalition’s “Let’s Talk Todes” video series. You can find the short videos here: https://www.thescncoalition.com/…

According to Mitchum, 30 years ago it was only known that SCN genes were dominant or recessive — that they could be inherited. “Three decades later, we have the genetic and molecular tools to not only sequence the nematode genome, but sequence a wide variety of SCN populations,” she said. “The Tode Farm is being used to compare the genomes to pinpoint the genes for virulence.”

With genetic blueprints in hand, scientists now have the opportunity to exploit this rich collection of genetic resources to identify the virulence genes SCN uses to reproduce on resistant varieties, she noted.

“More importantly, the door is now open to developing a molecular diagnostic tool to determine the virulence of field populations and prescribe the best type of resistance for growers to plant.

“For prescriptive management to become a reality for growers, we need to integrate our knowledge of the genetics of plant resistance genes with the knowledge of the SCN virulence genes,” she said.

Take a video tour of the Tode Farm here: https://www.youtube.com/…

Find more SCN information: www.thescncoalition.com

Read more about why SCN resistance isn’t enough protection: https://www.dtnpf.com/…

Learn how SCN is spreading: https://www.dtnpf.com/…

As well as here: https://www.dtnpf.com/…

Pamela Smith can be reached at pamela.smith@dtn.com

Follow her on Twitter @PamSmithDTN



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