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Survival ofFusarium moniliformeat controlled temperature and relative humidity

Authors
Journal
Transactions of the British Mycological Society
0007-1536
Publisher
Elsevier
Publication Date
Volume
84
Issue
1
Identifiers
DOI: 10.1016/s0007-1536(85)80225-4

Abstract

Microconidia survived in a dormant state for 900 days at 35% r.h. at 5° and 15 °C, and 75% r.h. at 5° and for at least 105 days in most other treatments, but survived for less than 70 days at 75% r.h. at 25° and 35° and 86% r.h. at 35°. Microconidia germinated during storage in some treatments (75% r.h. at 15°, 86% r.h. at 15°, 25° and 35°, and 100% r.h. at 5°, 15°, 75° and 35°) and produced hyphae and secondary microconidia which survived for 900 days in three treatments, 86% r.h. at 15° and 100% r.h. at 15° and 25°. Microconidia in all treatments survived at least 30 days. The fungus survived for 900 days under all conditions in colonized plant tissue in soil except at 75, 86 and 100% r.h. at 25° and 35°. Bacteria were the main colonists at 100% r.h. whereas Penicillium spp. and Aspergillus spp. were the dominant colonists at 75 % r.h. and 86 % r.h. Thickened hyphae of F. moniliforme were observed in some samples.

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