Archive image from page 238 of Cyclopedia of American horticulture, comprising. 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, and a synopsis of the vegetable kingdom cyclopediaofamer02bail Year: 1906 -',/ X. f. 615. To illu , is to be cut away. 616. Tree-form trainine of Currant. the insects have scattered over the bushes. The im- ported and native Currant borers also
Archive image from page 238 of Cyclopedia of American horticulture, comprising. 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, and a synopsis of the vegetable kingdom cyclopediaofamer02bail Year: 1906 -',/ X. f. 615. To illu , is to be cut away. 616. Tree-form trainine of Currant. the insects have scattered over the bushes. The im- ported and native Currant borers also cause damage. They can only be controlled by cutting out and destroying infested canes early in spring, before the perfect insects emerge. The Currant fly {Epochra Cajiadeyisis) some- times causes serious injury to the fruit, depositing its egg just beneath the skin, where the presence of the larva causes the fruit to turn red and fall prematurely. No practicable remedy has yet been suggested. Among fungous diseases, there are several which prey upon the leaves, causing them to fall prematurely, but they all yield to thorough treatment with fungicides. The Cur- rant tubercle, a disease which has recently proved inju- rious in New York and New Jersey, threatens to be a serious enemy and a difficult one to fight. It is first shown by wilting of the leaves and pre- mature coloring of the fruit. The clusters are , small and straggling, and, together with the â leaves, soon shrivel and fall, which is followed ' by the death of the canes. Digging and burn- ing affected plants is the only rem- edy thus far suggested. The dis- ease may be transmitted in appar- ently healthy cuttings, so that flelds known to be affected SX/ should not be used as source from which .' ' Z- to propagate. The treatment of black Currants does not differ materially from that of reds, ex cept that the plants being larger, require somewhat more room The fruit, though pes sessing a most un le prunine of a C
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