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- Hammerschmidt, Raymond [remove] 6
- 632 2
- Diseased plants -- Physiology -- Periodicals 2
- Phytopathogenic microorganisms -- Host plants -- Periodicals 2
- Plant diseases -- Periodicals 2
- 333.705 1
- 551.511 1
- 632.905 1
- 634.9 1
- Armillaria -- Rhizomorph -- Penetration -- Armillaria toxins 1
- Armillaria -- resistance screening -- root disease 1