. The fungi which cause plant disease . Plant diseases; Fungi. 40 THE FUNGI WHICH CAUSE PLANT DISEASE structans. Harding and Morse, however, believe it specifically identical with B. carotovorus. See p. 42. B. atrosepticus v. Hall,^^ was isolated from ducts of potatoes affected with black leg. B. avenas, Manns.^^ This is the symbiont of Pseudomonas avenae. See p. 23. (Group number ) A very actively motile bacillus, short, rod-shaped with rounded ends, to 1 x to 2 Fig. 20.—Plate culture of B. avenae, on nutrient glucose agar, four days at 30°C. After Manns. Gram negati
. The fungi which cause plant disease . Plant diseases; Fungi. 40 THE FUNGI WHICH CAUSE PLANT DISEASE structans. Harding and Morse, however, believe it specifically identical with B. carotovorus. See p. 42. B. atrosepticus v. Hall,^^ was isolated from ducts of potatoes affected with black leg. B. avenas, Manns.^^ This is the symbiont of Pseudomonas avenae. See p. 23. (Group number ) A very actively motile bacillus, short, rod-shaped with rounded ends, to 1 x to 2 Fig. 20.—Plate culture of B. avenae, on nutrient glucose agar, four days at 30°C. After Manns. Gram negative; endospores not observed; flagella many, diffuse, long, undulate; growth on agar stroke rapid, filiform, white, glistening, later somewhat dull, margin smooth, gro\vth rather opaque, turning yellow third day; gelatine not liquefied; broth clouded and on the second day showing heavy yellow precipitate; milk coagulated at end of two weeks with extrusion of whej^; agar colonies round, entire, surface smooth, slightly raised. No gas in dextrose, saccharose, lactose, maltose, or glycerins. Indol production moderate; nitrates reduced to nitrites. T. D. P. 10 min., 60°; Opt. 20-30°. 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. New York : Macmillan
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectfungi, bookyear1913
