. Diseases of economic plants. Plant diseases. Trees and Timber 399 juring the lower branches of large trees; serious damage, however, is not common. Damping-off {Fusarium sp.). — The general characters are those mentioned under damping-off. It is serious in. Fig. 211. — Cronartium ribicola on pine show- ing sporiferous pustules. After Colley. Vermont, New York, Missouri, and probably in many other states, killing the seedlings in nurseries as soon as they ap- pear above ground. The beds should be given all ventilation possible. A top-dressing of steriHzed sand sprinkled over the beds immediat
. Diseases of economic plants. Plant diseases. Trees and Timber 399 juring the lower branches of large trees; serious damage, however, is not common. Damping-off {Fusarium sp.). — The general characters are those mentioned under damping-off. It is serious in. Fig. 211. — Cronartium ribicola on pine show- ing sporiferous pustules. After Colley. Vermont, New York, Missouri, and probably in many other states, killing the seedlings in nurseries as soon as they ap- pear above ground. The beds should be given all ventilation possible. A top-dressing of steriHzed sand sprinkled over the beds immediately after germination resulted in 30 per cent of disease against 42 per cent in the untreated part. For dis- infection of soil, see p. 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
Size: 1331px × 1878px
Photo credit: © Paul Fearn / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1920, bookpublishernewyo, bookyear1921
