WebA whole-plant method for screening chrysanthemum cultivars for resistance to white rust is described, finding some cultivars showed some infection but were rated as practically immune or immune. SUMMARY A whole-plant method for screening chrysanthemum cultivars for resistance to white rust is described. Of 270 cultivars of the florists’ … WebMay 18, 2024 · Chrysanthemum White Rust, caused by the fungus Puccinia horiana P. Henn., is a quarantine significant pest in the United States (Title 7, Code of Federal Regulations, Part 319.37 and 319.74).Importation of certain Chrysanthemum (including Dendranthema), Leucanthemella, and Nipponanthemum species are prohibited from …
Identification of resistant sources in chrysanthemum to white rust ...
WebOct 1, 2012 · Chrysanthemum white rust (CWR) is a fungal disease of chrysanthemums caused by Pucciniahoriana that can cause severe damage, including complete crop loss … WebFeb 13, 2024 · chrysanthemum, (genus Chrysanthemum), genus of about 40 species of flowering plants in the aster family (Asteraceae), native primarily to subtropical and temperate areas of the Old World. … ratio\u0027s 58
How to Grow Chrysanthemums BBC Gardeners …
WebChrysanthemum 'Cathy's Rust' Plants : Chrysanthemum 'Emperor of China' Plants : Chrysanthemum 'Niche's October Glow' Plants ... Plants : Chrysanthemum x rubellum 'Clara Curtis' Plants : Chrysanthemum x superbum 'Becky' Plants : Chrysogonum virginianum 'Eco Lacquered Spider' Plants : Chrysogonum virginianum var. australe: … WebOct 1, 2024 · Chrysanthemum white rust caused by Puccinia horiana Henn. is a disease of economic importance worldwide. Forty-nine chrysanthemum genotypes were screened for white rust resistance in pot culture and amongst them, ten selected chrysanthemum genotypes were screened in vitro also. Pustules were visible 1 week after spraying of … http://www.hort.cornell.edu/4hplants/Flowers/Chrysanthemum.html ratio\\u0027s 56