Productive orcharding, modern methods of growing and marketing fruit . n the fruit it is apt to bescattered rather uniformly over the entire surface, while thescab is confined to one side of the fruit. The blotch also makesa less compact growth on the areas affected. It produces cankers 168 DISEASES OF FRUIT TREES upon the twigs and branches and peculiar light brown spotsupon the leaves. It Vvorks later in the season than the scab,necessitating, where serious, one or two sprayings after the lastspraying for scab. Cankers.—There are a number of diseases which attack thetwigs, branches and even
Productive orcharding, modern methods of growing and marketing fruit . n the fruit it is apt to bescattered rather uniformly over the entire surface, while thescab is confined to one side of the fruit. The blotch also makesa less compact growth on the areas affected. It produces cankers 168 DISEASES OF FRUIT TREES upon the twigs and branches and peculiar light brown spotsupon the leaves. It Vvorks later in the season than the scab,necessitating, where serious, one or two sprayings after the lastspraying for scab. Cankers.—There are a number of diseases which attack thetwigs, branches and even the trunks of apple trees (and lessfrequently of pears and quinces), producing ugly roughenedbrown areas. Sometimes the diseased section is very well de-fined with a distinct line marking its boundary where the dis-eased tissue has shrunken and broken away from the adjoininghealthy tissue. In other cases, as the European canker, thereare many concentric rings or folds where the tree has repeatedlyattempted to heal over the wound and each time the fungus has, m-^:..
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectfruitculture, bookyea
