she published 45 scientific papers on stem rust fungi and 11 research summaries. in 1929, she became a charter member of the canadian phytopathological society and became one of the editors for the journal "phytopathology". newton identified physiologically distinct races of "puccinia graminis" and focused on determining their genetic structure, physiology, origin, and life cycle. she investigated stripe rust on wheat and barley and wheat leaf rust, and the environmental factors on disease expression in wheat plants. she also researched the genetic structure of wheat rust pathogens.