. Chestnut blight. Chestnut blight; Chestnut. March, 1912.] THE CHESTNUT BARK DISEASE, 211 report of the Zoological Society Merkel says, "It has spread to such an extent that today it is no exaggeration to say that 98 per cent of all the chestnut trees in the parks of this bor- ough are infected. The spread of this disease is so sudden that unless some radical measures are taken or a natural enemy of this fungus develops, it is safe to predict that not a live specimen of the American chestnut (Castanea dentata) w)ill be found two vears hence in the nei"hborhood of the Zoo-. PlG. 2.—A
. Chestnut blight. Chestnut blight; Chestnut. March, 1912.] THE CHESTNUT BARK DISEASE, 211 report of the Zoological Society Merkel says, "It has spread to such an extent that today it is no exaggeration to say that 98 per cent of all the chestnut trees in the parks of this bor- ough are infected. The spread of this disease is so sudden that unless some radical measures are taken or a natural enemy of this fungus develops, it is safe to predict that not a live specimen of the American chestnut (Castanea dentata) w)ill be found two vears hence in the nei"hborhood of the Zoo-. PlG. 2.—A beautilul grove a few years ago. but all chestnut dead now. logical Park". Valiant efforts were made to save trees which were not yet diseased by spraying them thoroughly with Bor- deaux mixture, while many which were only slightly diseased were pruned and repruned, but all of their endeavors availed nothing, and today those great parks are destitute of the chestnut trees. During the years 1905-6 Dr. Murrill studied the disease in laboratory, greenhouse and park. As a result of his studies he found it to be new and undescribed, tho a fungus similar. 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 1906-1960
Size: 1828px × 1367px
Photo credit: © Central Historic Books / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcolle, bookcollectionbiodiversity, booksubjectchestnutblight
