. Diseases of plants induced by cryptogamic parasites; introduction to the study of pathogenic Fungi, slime-Fungi, bacteria, & Algae. Plant diseases; Parasitic plants; Fungi. PLASMODIOPHORA. 527 mentary condition and twisted course of the vessels, and an accumulation of transitory starch in the tissues. [The methods at our disposal for combating this parasite all work indirectly. Its spores seem to retain their vitality for two, three, or more years, hence one very evident measure is not to plant the same crop in succession on land which has been attacked. As, however, all Cruciferae are l
. Diseases of plants induced by cryptogamic parasites; introduction to the study of pathogenic Fungi, slime-Fungi, bacteria, & Algae. Plant diseases; Parasitic plants; Fungi. PLASMODIOPHORA. 527 mentary condition and twisted course of the vessels, and an accumulation of transitory starch in the tissues. [The methods at our disposal for combating this parasite all work indirectly. Its spores seem to retain their vitality for two, three, or more years, hence one very evident measure is not to plant the same crop in succession on land which has been attacked. As, however, all Cruciferae are liable to injury from this source,. Fig. 317.—Plasuwdiojihora bra-uicm. on Turnip. (After Worouin.) neither would it be advisable to let say, turnips follow cabbage or kohl rabi on infected land. For the same reason weeds belonging to the order Cruciferae should not be allowed to obtain a footing near land where plants liable to " finger and toe" are under cultivation. In Scotland, where turnips are necessary in all crop-rotations, a four-year rotation does not give complete exemption from this disease, nor is five years. 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.
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Keywords: ., bookcentury1800, bookdecade1890, bookpublisherl, booksubjectfungi
