. Fungous diseases of plants : with chapters on physiology, culture methods and technique . Fungi in agriculture. 126 FUNGOUS DISEASES OF PLANTS the blossoms the following spring. With the return of growing conditions, fermentation may be set up and beads of the gummy exudation produced. Since the beads contain countless quantities of the bacillus, insects readily spread it to some blossoms; thence it is promptly carried by bees to greater distances. The organism,. Fl|3- 33- Pear Fruit infested with the Blight Organism; Beads exuded in Moist Chamber. (Photograph by H. H. Whetzel) however, is n
. Fungous diseases of plants : with chapters on physiology, culture methods and technique . Fungi in agriculture. 126 FUNGOUS DISEASES OF PLANTS the blossoms the following spring. With the return of growing conditions, fermentation may be set up and beads of the gummy exudation produced. Since the beads contain countless quantities of the bacillus, insects readily spread it to some blossoms; thence it is promptly carried by bees to greater distances. The organism,. Fl|3- 33- Pear Fruit infested with the Blight Organism; Beads exuded in Moist Chamber. (Photograph by H. H. Whetzel) however, is not very resistant to conditions. It is killed by very brief exposure to sunlight and by a period of drying. This latter, however, seems remarkable, in view of the general experience that no amount of cold can act unfavorably upon this organism. It is possible, however, that the effect of cold in the absence of mois- ture may be as disastrous as drying out. The characteristics of this organism according to Whetzel are as follows:. 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 Duggar, Benjamin M. (Benjamin Minge), 1872-1956. Boston ; New York : Ginn
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