. Cyclopedia of American horticulture, comprising suggestions for cultivation of horticultural plants, descriptions of the species of fruits, vegetables, flowers, and ornamental plants sold in the United States and Canada, together with geographical and biographical sketches. Gardening. 1486 QUINCE QUISQUALIS form of the fungus causing the familiar "cedar apple" on wild red cedai'S is one of the most common diseases, but is of less economic importance than leaf blight. Rust attacks the fruit, blotching it, and in some in- stances completely enveloping it in a peculiar orange-. 2057.
. Cyclopedia of American horticulture, comprising suggestions for cultivation of horticultural plants, descriptions of the species of fruits, vegetables, flowers, and ornamental plants sold in the United States and Canada, together with geographical and biographical sketches. Gardening. 1486 QUINCE QUISQUALIS form of the fungus causing the familiar "cedar apple" on wild red cedai'S is one of the most common diseases, but is of less economic importance than leaf blight. Rust attacks the fruit, blotching it, and in some in- stances completely enveloping it in a peculiar orange-. 2057. Quinces. colored fringe-like growth. The twigs are infested by the mycelium of the fungus, and show its presence by irregular swellings. Leaf blight and rust are best con- trolled by using Bordeaux mixture. Fire blight or pear blight is the most dangerous disease, because it is always prevalent to a greater or less extent and is very difiicult to control. As with the pear, of which it is an enemy of first importance, the only remedy is the hygienic one of preventing infection by destroying the infected part. This must be done promptly. All diseased branches and trees, if badly attacked, should be cutout and burned at once. As a matter of fact. Quinces are not ordinarily attacked in the limbs or on the trunks, so that the removal of the twigs or small branches often cuts out the diseased portions. The stem of the Quince tree is attacked by borers, â which can be controlled only by digging them out. The fruit is attacked by codlin moth; this is best treated wntb arsenical poisons applied in spray form. The Quince curculio is often very troublesome, causing the fruits to become knotty. The best remedy is to catch the insects by the jarring method (Fig. 2059), as the plum curculio is caught. Comparatively few varieties have been added to Quince lists in recent years. Bailey says in his bulletin on "'The Quince in Western New York" (Bulletin 80 of Cornell Experiment Stati
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