. Diseases of economic plants. Plant diseases. Trees and Timber 375 Mistletoe ^^^ (Phoradendron and Razoumofskyd). — While not generally considered pests, these parasites under favora- ble weather conditions may become so, especially upon trees. Fig. 197. — Trees infesteci with mistletoe. Courtesy of the School of Botany of the University of Texas. in lawns and parks. They usually attack the smaller branches of the trees, and thus cut off the nourishment from their tips and eventually cause these portions to die. The general effect is to spoil the beauty of the tree. On forest trees they cause

---

. Diseases of economic plants. Plant diseases. Trees and Timber 375 Mistletoe ^^^ (Phoradendron and Razoumofskyd). — While not generally considered pests, these parasites under favora- ble weather conditions may become so, especially upon trees. Fig. 197. — Trees infesteci with mistletoe. Courtesy of the School of Botany of the University of Texas. in lawns and parks. They usually attack the smaller branches of the trees, and thus cut off the nourishment from their tips and eventually cause these portions to die. The general effect is to spoil the beauty of the tree. On forest trees they cause small diameters, reduced height, and scraggy 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

---

Size: 1517px × 1647px
Photo credit: © Paul Fearn / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookauthorstevensf, bookcentury1900, bookdecade1920, bookyear1921