Erysiphaceae sentence example

erysiphaceae
  • This includes two chief families, Erysiphaceae and Perisporiaceae.
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  • The Erysiphaceae are a sharply marked group of forms which live as parasites.
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  • It has been shown especially in the Uredineae and Erysiphaceae that many forms which can hardly be distinguished morphologically, or which cannot be differentiated at all by structural characters, are not reall y homogeneous but consist of a number of forms which are se se s g sharply distinguishable by their infecting power.
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  • A similar specialization has been observed by Marshall Ward in the Puccinia parasitic on species of Bromus, and by Neger, Marchal and especially Salmon in the Erysiphaceae.
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