. Diseases of economic plants. Plant diseases. 200 DISEASJiS OF ECONOMIC PLANTS Since the spores are spread only when they are wet, hancUing or disturbing the vines in any way while the. Fie. 89. — Bean rust upon leaf and pods ; note the numerous sori upon both surfaces. After Beach. dew or rain is still upon them should be avoided. Seeds already bearing the fungus, , spotted seeds, should never be planted, since they not only raise sick plants,. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appea
. Diseases of economic plants. Plant diseases. 200 DISEASJiS OF ECONOMIC PLANTS Since the spores are spread only when they are wet, hancUing or disturbing the vines in any way while the. Fie. 89. — Bean rust upon leaf and pods ; note the numerous sori upon both surfaces. After Beach. dew or rain is still upon them should be avoided. Seeds already bearing the fungus, , spotted seeds, should never be planted, since they not only raise sick plants,. 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, 1871-1934; Hall, John Galentine, 1870-. New York, Macmillan
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Keywords: ., bookauthorstevensf, bookcentury1900, bookdecade1910, bookyear1910
