leaf rust
noun
: a rust disease of plants and especially of wheat that affects primarily the leaves
Example Sentences
Recent Examples on the Web Coffee production still takes place on the Indonesian island today, despite a coffee leaf rust disease outbreak in the 1800s that decimated the industry. 
New York Times, 21 Jan. 2022 In the 1870s coffee leaf rust, Hemileia vastatrix, wiped out coffee plants in all of South Asia, completely reordering the colonial agriculture of India and Sri Lanka and transferring coffee production to Central and South America. Maryn Mckenna, Scientific American, 19 May 2021 Beyond alleged counterfeiters, his nemeses are rats, invasive plants, twig- and berry-boring beetles and coffee leaf rust, a predatory fungus from 19th century Africa that reached the Big Island last fall. Los Angeles Times, 17 Mar. 2021 But in her research, Aime has been building what is effectively a genetic atlas of coffee-leaf rust, made up of genomic analyses of thousands of fungal samples. Maryn Mckenna, The Atlantic, 16 Sep. 2020 The plants are infected with coffee-leaf rust, a devastating fungus. Maryn Mckenna, The Atlantic, 16 Sep. 2020 Coffee leaf rust is one of the biggest threats to coffee production, but a team of ecologists may have found its potent natural enemy: the Asian trampsnail. Jonathan Wolfe, New York Times, 11 Mar. 2020 That was when Professor Perfecto and two other ecologists, Zachary Hajian-Forooshani and John Vandermeer, visited the area trying to understand why the region had not been as severely hit by coffee leaf rust as Central America and Mexico. Maria Cramer, New York Times, 11 Mar. 2020 And the complexities of the coffee bean — and the leaf rust that's threatening to wipe out coffee farms worldwide — make coffee as interesting of a crop as any other. Fox News, 20 Mar. 2018 See More
New York Times, 21 Jan. 2022 In the 1870s coffee leaf rust, Hemileia vastatrix, wiped out coffee plants in all of South Asia, completely reordering the colonial agriculture of India and Sri Lanka and transferring coffee production to Central and South America. Maryn Mckenna, Scientific American, 19 May 2021 Beyond alleged counterfeiters, his nemeses are rats, invasive plants, twig- and berry-boring beetles and coffee leaf rust, a predatory fungus from 19th century Africa that reached the Big Island last fall. Los Angeles Times, 17 Mar. 2021 But in her research, Aime has been building what is effectively a genetic atlas of coffee-leaf rust, made up of genomic analyses of thousands of fungal samples. Maryn Mckenna, The Atlantic, 16 Sep. 2020 The plants are infected with coffee-leaf rust, a devastating fungus. Maryn Mckenna, The Atlantic, 16 Sep. 2020 Coffee leaf rust is one of the biggest threats to coffee production, but a team of ecologists may have found its potent natural enemy: the Asian trampsnail. Jonathan Wolfe, New York Times, 11 Mar. 2020 That was when Professor Perfecto and two other ecologists, Zachary Hajian-Forooshani and John Vandermeer, visited the area trying to understand why the region had not been as severely hit by coffee leaf rust as Central America and Mexico. Maria Cramer, New York Times, 11 Mar. 2020 And the complexities of the coffee bean — and the leaf rust that's threatening to wipe out coffee farms worldwide — make coffee as interesting of a crop as any other. Fox News, 20 Mar. 2018 See More Word History
First Known Use
1859, in the meaning defined above