. Fig. 33.—Exoascuspruni. i, portion of a branch bearing diseased plums ; 2. a diseased i^luin cut in two. Reduced. and closely resemble crows' nests in appearance, although sometimes much larger in size. The formation of these brooms takes place as follows, according to Smith :— ' I find that a broom results from a prolific development of small twigs on one or a few knotty, swollen parts of a branch. Each central knot we may regard as the position of the bud which was first infected, and from which the broom system took its origin. As one result of the attack of the fungus, the greater number
. Fig. 33.—Exoascuspruni. i, portion of a branch bearing diseased plums ; 2. a diseased i^luin cut in two. Reduced. and closely resemble crows' nests in appearance, although sometimes much larger in size. The formation of these brooms takes place as follows, according to Smith :— ' I find that a broom results from a prolific development of small twigs on one or a few knotty, swollen parts of a branch. Each central knot we may regard as the position of the bud which was first infected, and from which the broom system took its origin. As one result of the attack of the fungus, the greater number of the buds in the axils of the scales of the infected bud have grown out as twigs, but not into well-
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Keywords: ., bookpublishernewyorkmacmillan, booksubjectplantdis, bookyear1910
