File:Parasitism of pythium debaryanum hesse on the potato tuber 415.jpg
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Summary
| Description |
English: PLATE
37 PHYSIOLOGICAL STUDY OF THE PARASITISM OF PYTHIUM DEBARYANUM HESSE ON THE POTATO TUBER by Lon A. Hawkins and Rodney B. Harvey, Journal of Agricultural Research voi. xviii, no. 5 Photographs enlarged from portions of a motion photomicrograph, showing the method of cell wall penetration by Pythium hyphae. A. — Shows the hypha growing against the potato cell wall. Sufficient pressure has already been applied to cause the hypha to bend. Notice that this bending increases in later photographs. B. — A little later stage than A. C. — The tip has broken through as a small tube D. — Penetration is complete. Notice the constriction of the hypha at the point where it penetrates the potato cell wall. |
| Date | |
| Source |
https://archive.org/stream/journalofagricul18unit/journalofagricul18unit Journal of agricultural research |
| Author | Lon A. Hawkins, Rodney b. Harvey, United States. Dept. of Agriculture; Association of American Agricultural Colleges and Experiment Stations; Association of Land-Grant Colleges and Universities; Association of Land-Grant Colleges |
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This work is in the public domain in the United States because it was published (or registered with the U.S. Copyright Office) before January 1, 1929.
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| current | 15:25, 22 January 2018 | | 431 × 639 (108 KB) | Awkwafaba | User created page with UploadWizard |
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