. 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. 1668. Peach trees in Eastern Maryland. proves fatal. The cause is unknown. The remedy is to exterminate the trees as soon as the disease appears. The leaf curl has been the subject of more concern amongst Peach-growers during the past few years tlian any other disease, except the yellows. It has a decided prefe
. 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. 1668. Peach trees in Eastern Maryland. proves fatal. The cause is unknown. The remedy is to exterminate the trees as soon as the disease appears. The leaf curl has been the subject of more concern amongst Peach-growers during the past few years tlian any other disease, except the yellows. It has a decided preference for some varieties, particularly those with large, soft and dark-colored leaves. It is also influ- enced greatly by the season, although it is rarely wholly absent. A moderate attack does not perceptibly injure trees in full vigor. In many cases, however, the larger part of the leaves fall from the tree in June, and the fruit, deprived of nourishment, may also fall. Leaf curl, the curculio and lack of pollination are the chief causes of the "June drop" of Peaches. The leaves "curlj" or become puckered, early in the season, and soon die. Experiments have demonstrated that a thor- ough spraj^ing with full-strength Bordeaux mixture just before the buds swell in spring is very nearly a spe- cific. If long-continued wet weather follows, it may be advisable to spray again, when the petals have fallen, with Bordeaux mixture, consisting of 2 pounds of cop- per sulfate, 2 pounds of quick-lime, and 50 gallons of water. If the weather of April and early May is warm and dry, this second spraying will be unnecessary. For full account of Peach curl, see Newtou B. Pierce, Bull. 20, Div. Veg. Phys. and Path., U. S. Dept. Agric, 1900 (). "Little Peach " is a recent disease which has appeared in Michigan and western New York. It is ordinarily characterized by the Peaches remaining small and hard, the trees losing vigor and the leaves becoming small. Afte
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