Fungi and fungicides; a practical manual, concerning the fungous diseases of cultivated plants and the means of preventing their ravages . which should be stillgreen, young cob and kernels, and the mass of silks—is reduced to a moist state of corruption, though notill-scented. The parts lose their normal rigid, or turgidquality, appear as if wilted, and are packed closelytogether, if not actually adhering by the gummy exuda-tion from the tissues. Very often these ears subse-quently become moldy, penetrated through and through 212 FUi^Gl AND FUXGICIDES by a close, very white, felt-like fungus.


Fungi and fungicides; a practical manual, concerning the fungous diseases of cultivated plants and the means of preventing their ravages . which should be stillgreen, young cob and kernels, and the mass of silks—is reduced to a moist state of corruption, though notill-scented. The parts lose their normal rigid, or turgidquality, appear as if wilted, and are packed closelytogether, if not actually adhering by the gummy exuda-tion from the tissues. Very often these ears subse-quently become moldy, penetrated through and through 212 FUi^Gl AND FUXGICIDES by a close, very white, felt-like fungus. Possibly thisfungus sometimes makes its inroads into the ear withoutthe bacteria as forerunners ; but from present knowledgeit seems probable that it is a secondary intruder. Thesemoldy ears are, in certain seasons, very numerous, andare readily recognized by the liusker, as well as by thebuyer, Avhen the loads are sent to market. Microscopic Characters.—When placed under avery high power of the microscope, the juices fromaffected portions of corn plants are seen to be swarmingwith minute bacteria. These bacteria, when magnified. FIG. 87. BACTERIA OF CORN DISEASE. nearly three thousand times, resemble Fig. 87. Eachindividual measures less than one-twenty-five thousandthof an inch in length. They frequently form jelly-likemasses on the inside of the leaf, these masses consistingof the bacteria themselves held together by the mucilag-inous substance they exude. THE BACTERIAL DISEASE OF C0R;N^ 213 Possible Effect on Cattle.—Investigations madein Nebraska^ by Dr. F. S. Billings, indicate the proba-bility, and, in the opinion of Dr. B., the certainty, thatwhen cattle eat corn affected by this disease the germspresent may cause the illness, and sometimes the deathof the animals. He calls it the Cornstalk Disease inCattle, and concludes an elaborate report of his investi-gations with this statement; When cattle becomeunaccountably ill immediately after having been turnedinto a s


Size: 1581px × 1581px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1800, bookdecade1890, booksubjectpathoge, bookyear1896