Ascochyta pisi, Peas, Western Australia
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THIS fungous disease of peas causes "black spot" and "stem rot" on affected plants. During the wet winter months the disease is often so severe that it is difficult to grow garden pea varieties satisfactorily; but in summer when hot, dry conditions usually prevail the disease is of little consequence.
Department of Agriculture, Western Australia
"Black spot of peas,"
Journal of the Department of Agriculture, Western Australia, Series 4: Vol. 7:
6, Article 9.
Available at: https://library.dpird.wa.gov.au/journal_agriculture4/vol7/iss6/9