Description: Purple blotch of onion

Cover Image

Purple blotch of onion (Macrosporium porri ell)

Main Author:	Angell, H. R.
Format:	Book
Language:	English
Published:	Washington [s.n.] 1929
Subjects:	Οπωροκηπευτικά

Item Description:	Ανάτυπο από: "Journal of Agricultural Research, vol.38, no.9

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