Diseases of plants induced by Diseases of plants induced by cryptogamic parasites; introduction to the study of pathogenic Fungi, slime-Fungi, bacteria, & Algae diseasesofplant00tube Year: 1897 CLADOSPORIUM. 511 CI. Scribnerianum Cav. (Jn leaves of Betula populifolia in America and Italy. CI. hypophyllum Fuck. On leaves of Ulmus campestris. CI. tuberum Cooke. In the tubers of Batatas edulis in Carolina, 3. Sect. Phragmosporae. 1. Suhsect. Micronemeae. Clasterosporium. Conidia brownish, cylindrical or spindle-shaped, and consisting of three or four cells. Clasterosporium amygdalearum (
Diseases of plants induced by Diseases of plants induced by cryptogamic parasites; introduction to the study of pathogenic Fungi, slime-Fungi, bacteria, & Algae diseasesofplant00tube Year: 1897 CLADOSPORIUM. 511 CI. Scribnerianum Cav. (Jn leaves of Betula populifolia in America and Italy. CI. hypophyllum Fuck. On leaves of Ulmus campestris. CI. tuberum Cooke. In the tubers of Batatas edulis in Carolina, 3. Sect. Phragmosporae. 1. Suhsect. Micronemeae. Clasterosporium. Conidia brownish, cylindrical or spindle-shaped, and consisting of three or four cells. Clasterosporium amygdalearum (Pass.) attacks the leaves of almond, peach, apricot, cherry, and plum. An intercellular mycelium has been found, and roundish dry spots with reddish margins are formed. Thereon tufts of short conidiophores are developed, bearing cylindrical, thick-walled, pluricellular conidia. CI. glomerulosum Sacc. {Sporidcsmium glom. Sacc, 1878, and Pleospora conglutinata Goebel, 1879). GoebeP first described this species as a parasite on Juniperiis communis. A colourless intercellular mycelium is present, and in consequence the needles turn brown, die, and fall off prematurely. On the upper side of the needle the mycelium emerges through the stomata, and forms dark-grey coils from which the grey, ovoid, pluricellular conidia are given off. Ceratophorum. Conidia brownish, spindle-shaped or cylindrical, three or more celled, cyu Sr'S'wiXLd the upper cell with terminal S'n'kaget' &trtiXne'r.)'*' '' bristles. C. setosum Kirch. Dark spots occurring on the leaves, petioles, and shoots of young plants of Cytisus Lahumum, etc., were found to enlarge and bring about death and defoliation. Kirchner found the leaf-tissue permeated by a colourless septate mycelium, which gives off conidia on both sides of the leaf. The conidia resembled those of Pestalozzia, but their cell-number Wurtemlmrg natia-wiss. Jahreshefte, 1879. Zeitiichrift f. Pflanzenkrankhtiten, 1892, p. 324.
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