The relation of the health of the host and other factors to infection of Apium graveoleus by Septoria appii Thomas, H. Earl (Harvey Earl), 1890-1974 creator text book New York 1921 1921
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ENG Celery Diseases and pests Septoria SB608.C39 T5 https://www.biodiversitylibrary.org/bibliography/37345 21005675 10.5962/bhl.title.37345 DLC