. Fig. 65. — Young Niagara clusters attacked l)y downy-uiildew. After Lodeman. wrinkled, but does not become hard and dry, as in the case of the black-rot. The disease is usually more troublesome in the early part of the season than in autumn. Effective management requires early Bordeaux spraying, just before the blossoms open, and often it will be found advantageous to protect the leaves by two to five additional sprayings at intervals of about two weeks. This disease was noted in

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Keywords: ., bookcentury1900, bookdecade1920, bookpublishernewyo, bookyear1921