WebProfessor - Extension Specialist - Ornamental Horticulture . Daylily Rust . In mid-August 2001, a new rust . tissue. An orange-yellow stain on the . tissue will result if the rust is … WebDaylily rust is a heteroecious rust, which means it needs two distinct hosts to complete its life cycle. The primary host is Daylily (Hemerocallis sp.) and alternate hosts are Patrinia …
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WebDaylily breeders typically send stock material to Costa Rica and other tropical areas for increase, and the first cases of rust appeared to be on plants returned to the United … WebJul 8, 2015 · Carefully inspect incoming plant material for signs of rust. Fungicide applications are needed for disease management, especially on susceptible cultivars. Contact your local Extension office for information on ratings of cultivar susceptibility and current fungicide control recommendations. Print a PDF of this page: Daylily rust laura petites kingston ontario
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WebJul 31, 2016 · Holcomb, G. E. 1976. Daylily leaf-streak in Louisiana. Plant Disease Reporter 60:232-233. Blosser, W. 2001. Daylily rust alert. Regulatory Horticulture 27:5-6. Prepared by Gary W. Moorman, … WebAug 31, 2024 · Daylilies do not have many pests, with aphids, thrips, spider mites and grasshoppers being the main problems. Daylily rust is a possible disease that is unlikely to kill a healthy plant but can make the foliage very ugly. Look for varieties that are resistant to the disease and remove any infected leaves or plant material as soon as it is seen. WebMay 17, 2024 · 9. Divide plants every two to three years to maintain vigor and increase airflow. 10. Avoid planting daylilies in an area that has had a rust outbreak in the past. 11. And finally, consider applying fungicides … laura pesonen joensuu