. Chestnut blight. Chestnut blight; Chestnut. 10 FARMERS BULLETIN 1641 sac. Under suitable conditions the sacs escape through the neck of the flask. When free the sacs burst in miniature explosions, tlirow- ing the spores into the air. Thus freed the spores are carried by air currents often to great ' horns of tlir chestnut-blight tungus. About times natural The enormous numbers in which both types of blight spores are produced, together with the fact that they"are adapted for different methods of dissemination, give insight into one aspect of the dif
. Chestnut blight. Chestnut blight; Chestnut. 10 FARMERS BULLETIN 1641 sac. Under suitable conditions the sacs escape through the neck of the flask. When free the sacs burst in miniature explosions, tlirow- ing the spores into the air. Thus freed the spores are carried by air currents often to great ' horns of tlir chestnut-blight tungus. About times natural The enormous numbers in which both types of blight spores are produced, together with the fact that they"are adapted for different methods of dissemination, give insight into one aspect of the diffi- cu ty ot halting such a foreign invader once it becomes widely estab- lishetl and begins its 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
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Keywords: ., bookcollectionbiodiversity, bookleafn, booksubjectchestnutblight
