Agricultural Bacteriology a Study of the Relation of Bacteria to Agriculture
Agricultural Bacteriology a Study of the Relation of Bacteria to Agriculture
H W Herbert William Conn
The book Agricultural Bacteriology a Study of the Relation of Bacteria to Agriculture was written by author H W Herbert William Conn Here you can read free online of Agricultural Bacteriology a Study of the Relation of Bacteria to Agriculture book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Agricultural Bacteriology a Study of the Relation of Bacteria to Agriculture a good or bad book?
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The conclusion reached was that these little bodies were parasitic microorganisms invading the root, producing a pathogenic effect upon the tissues, and causing the develop- ment of the tubercles. The next step was naturally the isola- tion of these little bodies and their careful study by more modern methods, to determine whether the conclusions reached were correct. Their isolation did not prove to be difficult. It was only necessary to remove a fresh tubercle at a certain stage of its growth..., carefully wash its surface to remove acci- dental soil bacteria, and then to inoculate culture media with the contents of the tubercle. The result was a growth of bac- teria in the culture media which could then be studied by ordinary bacteriological methods. The study of these bacteria proceeded rapidly and in a short time the organisms in question were so thoroughly isolated and carefully studied that their causal relation to the tubercles in question was demonstrated. That they produce the tuber- cles was proved readily enough by inoculation experiments.
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