. Fungi and fungicides; a practical manual, concerning the fungous diseases of cultivated plants and the means of preventing their ravages . FIG. 10. METHOD OF SPKAYIXG BUSHES. A fuller discussion of the subject of spraying willbe found in the authors little manual entitled S])rayingCrops. I^J^I^T I Fungi affecting Orchard Fruits. CO C•AU n< a QH so M PQ o< I-!O Oh < Ph FUNGI AFFECTING THE APPLE The Apple Scab Fusicladium dendriticum There is, jorobably, no fungous disease of fruits sofamiliar to the general public as the apple scab, or, as itis sometimes called, the black spot. This
. Fungi and fungicides; a practical manual, concerning the fungous diseases of cultivated plants and the means of preventing their ravages . FIG. 10. METHOD OF SPKAYIXG BUSHES. A fuller discussion of the subject of spraying willbe found in the authors little manual entitled S])rayingCrops. I^J^I^T I Fungi affecting Orchard Fruits. CO C•AU n< a QH so M PQ o< I-!O Oh < Ph FUNGI AFFECTING THE APPLE The Apple Scab Fusicladium dendriticum There is, jorobably, no fungous disease of fruits sofamiliar to the general public as the apple scab, or, as itis sometimes called, the black spot. This is due to a fungus which produces the well-known scabby spots upon thefruit, and also attacks the leavesand green shoots. It first ap-pears upon the leaves in theshape of smoky greenish spots,more or less circular in gradually enlarge, andfrequently several of them runtogether, so as to form goodsized blotches; as they growolder their color darkens, finallybecoming almost black. Theupper surface of the leaf is usu-ally affected. Sometimes the fungus de-ON A LEAF. velops SO rapidly on the expand- ing leaves in early spring as to blight them, dwarfingand killing the younger foliage. An instance of this,observed by Professor L. II. Bailey, is illustrated in 27
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectpathoge, bookyear1896
