单词	powdery mildew
释义	powdery mildew noun 1 : an ascomycetous fungus (family Erysiphaceae) producing abundant powdery conidia on the host 2 : a plant disease caused by a powdery mildew Example Sentences Recent Examples on the Web For more on powdery mildew in dogwood, refer to this publication. oregonlive, 16 July 2022 Lilac bushes like plenty of sun, but give them a little space between plants (and not right up against the house) to let air circulate and reduce the risk of powdery mildew developing. Arricca Sansone, Country Living, 24 June 2022 New growth is usually stunted, curled, or distorted on a plant with powdery mildew. Megan Hughes, Better Homes & Gardens, 2 June 2022 Jeana is supposed to have excellent resistance to powdery mildew. Janet B. Carson, Arkansas Online, 7 Aug. 2022 Sweet peas are susceptible to powdery mildew, a fungal disease that can infect crowded plants or those growing in damp shady places. oregonlive, 9 Mar. 2022 This type of impatiens is more disease resistant than other kinds of impatiens, which have succumbed to powdery mildew in recent years. Arricca Sansone, Country Living, 24 June 2022 Downside: Some types are susceptible to powdery mildew, a devastating disease that kills the plants and overwinters in the soil for years! Lauren Smith Mcdonough, House Beautiful, 25 May 2022 This crowding can impede circulation and encourage powdery mildew, a common problem with older varieties of lilac. Beth Botts, Chicago Tribune, 21 May 2022 See More Word History First Known Use 1889, in the meaning defined at sense 1
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