. Diseases of plants induced by cryptogamic parasites : introduction to the study of pathogenic Fungi, slime-Fungi, bacteria, & Algae . Plant diseases; Parasitic plants; Fungi. 384 UREDINEAE. spores grow on needles and twigs of Coniferae, the aecidia on the leaves of various Eosaeeae (Pomaceae). Five species occur in Germany, but there are many in America. Gymnosporangium clavariaeforme Jacquin. (Britain and America.) The mycelium of this species perennates in twigs of Juniperus communis. Infection is brought about by aecidiospores. In the following year a swelling of attacked places
. Diseases of plants induced by cryptogamic parasites : introduction to the study of pathogenic Fungi, slime-Fungi, bacteria, & Algae . Plant diseases; Parasitic plants; Fungi. 384 UREDINEAE. spores grow on needles and twigs of Coniferae, the aecidia on the leaves of various Eosaeeae (Pomaceae). Five species occur in Germany, but there are many in America. Gymnosporangium clavariaeforme Jacquin. (Britain and America.) The mycelium of this species perennates in twigs of Juniperus communis. Infection is brought about by aecidiospores. In the following year a swelling of attacked places is evident, and this increases till death of the host ensues. In spring, about the beginning of April, little Hght- yellow cone-like .structures break out on the swollen ilh Fig. 217.—Section through a swelling on a sixteen-year twig of J Juniper attacked by Gymnosporangium in its eighth year; three conical spore-cushions !u*e Indicated, also a cushion-scar with the scar-tissue. (After Woemle.). 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; Smith, William G. London ; New York [etc. ] : Longmans, Green & co.
Size: 1628px × 1534px
Photo credit: © Central Historic Books / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1890, bookpublisherl, booksubjectfungi
