. Diseases of plants induced by cryptogamic parasites; introduction to the study of pathogenic Fungi, slime-Fungi, bacteria, & Algae. Plant diseases; Parasitic plants; Fungi. 320 USTILAGINEAE. side of the leaf. The black spore-masses are formed in the rind-parenchyma, and sometimes in the pith; they are set free by rupture of the epidermis. In autunm the symptoms are different. The plants appear normally developed, and have no coatinj,' of conidia; dark swollen spots, however, appear on the leaves and leaf-petioles, in consequence of the massing of black spore-balls in the par- enchyma und
. Diseases of plants induced by cryptogamic parasites; introduction to the study of pathogenic Fungi, slime-Fungi, bacteria, & Algae. Plant diseases; Parasitic plants; Fungi. 320 USTILAGINEAE. side of the leaf. The black spore-masses are formed in the rind-parenchyma, and sometimes in the pith; they are set free by rupture of the epidermis. In autunm the symptoms are different. The plants appear normally developed, and have no coatinj,' of conidia; dark swollen spots, however, appear on the leaves and leaf-petioles, in consequence of the massing of black spore-balls in the par- enchyma under the epidermis. The summer mycelium consists of colourless irregularly branched and slightly septate hyphae occupying the intercellular. 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 Tubeuf, Karl, freiherr von, 1862-1941. London, New York [etc. ] : Longmans, Green & co.
Size: 1186px × 2107px
Photo credit: © Paul Fearn / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1890, bookpublisherl, booksubjectfungi
