Chrysanthemum white rust in diameter, but may turn brown as the tissue becomes necrotic. On the underside of the leaf, the spots develop into pink or white pustules that become prominent as the teliospores develop. Chrysanthemum white rust Chrysanthemum white rust is a disease of plants caused by the fungus Puccinia horiana that infects species of the genus "Chrysanthemum". Chrysanthemum white rust was first identified in Japan, although it is now established throughout Asia, Europe, South America. It has been found in the United States, Australia, and New Zealand on several occasions, but early detection and eradication efforts have prevented the disease from
Rust Craft Greeting Card Company Rust Craft Greeting Card Company The Rust Craft Greeting Card Company was an American greeting card, printing company and owner of television stations. It produced what is believed to be the first Christmas card. The company was founded in a bookstore in Kansas City, Missouri, in 1906 by its owner, Fred Winslow Rust. The first Christmas card was printed on heavy tan paper and included a brief message in two colors. The success of the Christmas card grew into a business letters, postcards, and greeting cards with envelopes. Rust revolutionized the use of the "French Fold," which turned a single