The California fruits and how to grow them; . The black scale (Saissetia oleae).. Black scale in mass form. Soft Orange Scale (Coccus Hcsperidwn).—This scale is a pestof citrus trees the world over. The scale is ovoid, a little wider atone end than the other; length, from one- twelfth to one-seventh ofan inch; color, dark brown on convex part, and a lighter brown sur-rounding margin; it has two indentations on each side, and one onposterior end. This scale prefers to collect on the under sides ofthe leaves along the midrib, the upper sides being covered withsmut. It fortunately is usually held
The California fruits and how to grow them; . The black scale (Saissetia oleae).. Black scale in mass form. Soft Orange Scale (Coccus Hcsperidwn).—This scale is a pestof citrus trees the world over. The scale is ovoid, a little wider atone end than the other; length, from one- twelfth to one-seventh ofan inch; color, dark brown on convex part, and a lighter brown sur-rounding margin; it has two indentations on each side, and one onposterior end. This scale prefers to collect on the under sides ofthe leaves along the midrib, the upper sides being covered withsmut. It fortunately is usually held in check by natural agencies. Brown Apricot Scale.—The apricot tree, though defying themost ruinous scales of some other trees, is beset by certain black scale is one and the brown apricot scale another. Thebrown apricot scale {Eulecanium Armeniacum) is boat-shaped; whenreaching maturity, wrinkled; the color is a shiny brown, darker inthe center, lighter at the edges. A full-sized scale has a length ofa quarter of an inch, and a width of one-eighth of an inch.
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectfruitculture, bookyea
