. FiG. 4. — Stems of young greenhouse tomato plants damped- off frcm attacks of Corticium. After Humbert. rium. The fungus which causes this condition ma}^ often be seen as a weft of myceHum around the base of the diseased plant, or even creeping over the ground to some distance.

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Keywords: ., bookcentury1900, bookdecade1920, bookpublishernewyo, bookyear1921