[Fruit culture] . Fig. 59 72 APPLE PESTS AND INJURIES §6 and as ntst. This disease is usually easily recognized by theyellowish orange-colored spots on the leaves. Although thespots occur also on the fruit and the twigs, the spots on theleaves are by far more common and more noticeable than arethose on the fruit or the twigs. The appearance of this diseaseon infected leaves and twigs is shown, in Fig. 59. The effectof the disease on the fruit is shown in Fig. 60. The fungus thatcauses this disease spends the winter on cedar trees, producingon them growths, or knots, known as cedar apples. In F


[Fruit culture] . Fig. 59 72 APPLE PESTS AND INJURIES §6 and as ntst. This disease is usually easily recognized by theyellowish orange-colored spots on the leaves. Although thespots occur also on the fruit and the twigs, the spots on theleaves are by far more common and more noticeable than arethose on the fruit or the twigs. The appearance of this diseaseon infected leaves and twigs is shown, in Fig. 59. The effectof the disease on the fruit is shown in Fig. 60. The fungus thatcauses this disease spends the winter on cedar trees, producingon them growths, or knots, known as cedar apples. In Fig. 61are shown cedar apples in three stages of maturity. In (a) isshown a cedar apple as it appears during early winter; duringthe spring these cedar apples or gall-like growths appear asshown in (6); and in (c) is shown the large gelatinous growth.


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Keywords: ., bookcentury1900, bookdecad, booksubjectfruitculture, bookyear1912