. Diseases of cultivated plants and trees. Plant diseases; Plants -- Wounds and injuries; Plants, Protection of; Trees -- Diseases and pests. 200 DISEASES OF CULTIVATED PLANTS numerous minute, erumpent perithecia situated on large dis- coloured patches. The mycelium of the conidial form spreads rapidly in the tissues of the leaf and passes into the leafstalk, cutting off the supply of food, consequently the leaves are killed early in the season, and as in all such cases where leaves are killed early in the season through lack of food, remain hanging on the tree throughout the winter, and even.
. Diseases of cultivated plants and trees. Plant diseases; Plants -- Wounds and injuries; Plants, Protection of; Trees -- Diseases and pests. 200 DISEASES OF CULTIVATED PLANTS numerous minute, erumpent perithecia situated on large dis- coloured patches. The mycelium of the conidial form spreads rapidly in the tissues of the leaf and passes into the leafstalk, cutting off the supply of food, consequently the leaves are killed early in the season, and as in all such cases where leaves are killed early in the season through lack of food, remain hanging on the tree throughout the winter, and even. 1*"k;. 54. — (rno»iofiia erythrostinna. Branch with persistent, drooping, dead leaves. the following season after the new leaves have appeared. The fruit is also attacked at times, when it becomes distorted and ripens unevenly. During the winter months the higher or ascigerous form of fruit is developed on the dead, hanging leaves. The s])ores produced by this form of the fungus infect the young leaves the following season. The perithecia of the conidial form are very minute, and burst through the epidermis of the leaf, ostiolum not elon- gated ; sporophores branched ; spores filiform, hyaline, slightly curved, terminal or originating from the nodes of the sporo-. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Massee, George, 1850-1917. New York : Macmillan
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Keywords: ., bookpublishernewyorkmacmillan, booksubjectplantdis, bookyear1910
