. Diseases of economic plants. Plant diseases. 252 Diseases of Economic Plants just above the roots and the failure of the plant to develop normally. Damping-off due to Thielavia or other fungi may occur in seed beds. The plants are attacked when very young, and. Fig. 137. — Tobacco roots showing effect of root-rot. * After Gilbert. death may result before they attain a height of more than 5-10 mm. In other cases of milder attack the roots alone are invaded and the plants stunted. The tips of the rootlets. Please note that these images are extracted from scanned page images that may have been


. Diseases of economic plants. Plant diseases. 252 Diseases of Economic Plants just above the roots and the failure of the plant to develop normally. Damping-off due to Thielavia or other fungi may occur in seed beds. The plants are attacked when very young, and. Fig. 137. — Tobacco roots showing effect of root-rot. * After Gilbert. death may result before they attain a height of more than 5-10 mm. In other cases of milder attack the roots alone are invaded and the plants stunted. The tips of the rootlets. 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 Stevens, Frank Lincoln, 1871- [from old catalog]; Hall, John Galentine, 1870- [from old catalog] joint author. New York, The Macmillan company


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Keywords: ., bookcentury1900, bookdecade1920, bookpublishernewyo, bookyear1921