Researchers Crack Genetic Code Determining Leaf Shape in Cotton

Researchers know that the variation in leaf shapes can mean big differences in a farmer’s bottom line. Now, a new discovery gives plant breeders key genetic information they need to develop crop varieties that make the most of these leaf-shape differences.

In a paper published Dec. 20 in the Proceedings of the National Academy of Sciences, NC State researchers and colleagues from the Danforth Plant Science Center, the U.S. Department of Agriculture and Cotton Incorporated describe how they used genomic and molecular tools to find the location of the DNA sequence that determines major leaf shapes in upland cotton.

The researchers also describe how they manipulated the genetic code to alter the shape of a cotton plant’s leaves in potentially beneficial ways.

This discovery represents a significant step toward developing cotton varieties that produce higher yields at less cost to the farmers, said Vasu Kuraparthy, an associate professor with NC State’s Department of Crop and Soil Sciences and the project’s principal investigator.

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