$("form.frog_reply_form").submit(function(e) { We have the "Early Sunrise" Coreopsis and every year we get a powdery-mildew-looking substace all over the leaves. This is the first report of powdery mildew on leaves of Coreopsis sp., an ornamental plant, caused by the anamorph of Podosphaera sp. Especially in the realm of tender perennial and annual coreopsis, there are now so many different colors and patterns to choose from. Summary Coreopsis ‘Sweet Marmalade’ has flowers that start out dark peach and fade lighter as they age. What made it so helpful? If the area is too damp and overcrowded, it can be affected by blight or powdery mildew. type: "POST", (adsbygoogle = window.adsbygoogle || []).push({}); if ($(window).width() > 1024) { This plant is dormant in the winter season. To our knowledge, this is the first report of powdery mildew caused by Oidium anamorph of E. arcuata on lanceleaf coreopsis (C. lanceolata) in Korea or elsewhere in the world. … $("#replyform-"+pid).slideDown(); Powdery mildew spores are air-disseminated and subsequently infect leaves and stems of plants under humid conditions. function Frog_Reply(pid) { Symptoms are similar on other succulents. }, © 1972 - 2020 National Gardening Association, Times are presented in US Central Standard Time, Today's site banner is by EscondidoCal and is called "Roselle ". View Show abstract ‘Moonlight’ was prone to severe powdery mildew infections in late summer. They cover leaves with a white or ash-gray powdery mold. ... Annuals/Perennials commonly troubled by … $.ajax({ Cooperative Extension prohibits discrimination and harassment on the basis of race, color, national origin, age, sex (including pregnancy), disability, religion, sexual orientation, gender identity, and veteran status. document.write('
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