. Fungoid and insect pests of the farm. Agricultural pests. Ill] Finger aM Toe, ami Wart Disease 37 become yellowish and the plant makes very little growth. A diseased plant possesses, instead of the normal development of fibrous root, a swollen nodular mass. The fancied resemblance of this mass to fingers and toes gives the disease its popular name. Exami- nation of a thin section of one of these nodules mounted in water shows large cells scattered amongst cells of. —6 o. Spores. 6, Plasmodium. Fig. 13. A section of a turnip root very highly magnified showing the giant cells caused by Plasmod
![. Fungoid and insect pests of the farm. Agricultural pests. Ill] Finger aM Toe, ami Wart Disease 37 become yellowish and the plant makes very little growth. A diseased plant possesses, instead of the normal development of fibrous root, a swollen nodular mass. The fancied resemblance of this mass to fingers and toes gives the disease its popular name. Exami- nation of a thin section of one of these nodules mounted in water shows large cells scattered amongst cells of. —6 o. Spores. 6, Plasmodium. Fig. 13. A section of a turnip root very highly magnified showing the giant cells caused by Plasmod Stock Photo](https://c8.alamy.com/comp/RDE5KT/fungoid-and-insect-pests-of-the-farm-agricultural-pests-ill-finger-am-toe-ami-wart-disease-37-become-yellowish-and-the-plant-makes-very-little-growth-a-diseased-plant-possesses-instead-of-the-normal-development-of-fibrous-root-a-swollen-nodular-mass-the-fancied-resemblance-of-this-mass-to-fingers-and-toes-gives-the-disease-its-popular-name-exami-nation-of-a-thin-section-of-one-of-these-nodules-mounted-in-water-shows-large-cells-scattered-amongst-cells-of-6-o-spores-6-plasmodium-fig-13-a-section-of-a-turnip-root-very-highly-magnified-showing-the-giant-cells-caused-by-plasmod-RDE5KT.jpg)
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. Fungoid and insect pests of the farm. Agricultural pests. Ill] Finger aM Toe, ami Wart Disease 37 become yellowish and the plant makes very little growth. A diseased plant possesses, instead of the normal development of fibrous root, a swollen nodular mass. The fancied resemblance of this mass to fingers and toes gives the disease its popular name. Exami- nation of a thin section of one of these nodules mounted in water shows large cells scattered amongst cells of. —6 o. Spores. 6, Plasmodium. Fig. 13. A section of a turnip root very highly magnified showing the giant cells caused by Plasmodiophora brassicae. Some of the giant cells contain "plfismodium" and other spores. (Magnified.) ordinary size. The contents of the larger ones are darker in colour and very different from those of an ordinary normal root cell. The high power of the microscope shows that the contents consist either of a frothy granular msiss or of a very large number of tiny spheres (see Fig. 13). These are the spores of the Finger and Toe fungus. They are very small and measure only ^-^ of an inch in diameter.. 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 work.. Petherbridge, Frederick Robert. Cambridge : University Press