By Kelsey Peterson, 2019-2022 Rockey FFAR Fellow

Punctuating the dust and dryness in my research plots is the sound of brown leaves scraping together – a sound typically heard in October when leaves begin to die on purpose as plants prepare for the winter. In July, however, the scrape of brown leaf on brown leaf is not good and the noise has nothing to do with the dry heat. Plants making this noise are infected – much like you would assume a person with a rattly cough is not well. Infections from pathogens – like rust – aptly named due to the amber, brown color of their reproductive pustules – push themselves into plant cells and leech on plant nutrients until the tissue dies.

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