| Article Details : |
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| | | Article Name : | | | Effect of some physical factors on growth of five
fungal species
| | Author Name : | | | SADIQ R. M. ALI1, AHMED J. FRADI, ALAA M. AL-AARAJI | | Publisher : | | | Bridge Center | | Article URL : |  | | | Abstract : | | | Fungal growth responses to temperature, pH and incubation
period were studied. This studied provides the influence of different
temperature, pH and incubation period on the growth of fungi. A
uniform pH gradient, ranging from pH 3 to 11, temperature ranging
from 20°C to 40°C and incubation period ranging from 2 to 10 days.
Effects of temperature, pH and incubation period on the growth of
fungi were determined in vitro. The control isolates was incubated for
7 days at 29±2oC. Optimum temperature occurred between 25°C and
30°C, pH ranges between 5 and 6 and incubation period ranges
between 6 and 8 days. Four isolates of fungi grew at 35°C and all
isolates grew at 20, 25 and 30°C but no fungal isolates grew at 40°C.
Reports have shown that growth of fungi could be affected by pH, at
pH 5 and 7 all fungal isolates were grew, at pH 3 only Mucor spp. was
little grew and at pH 9-11 no fungal isolates grew. The influence of
incubation period on the growth of the fungi growing on sabouraud
dextrose agar, the results were Rizopus spp. and Fusarium spp. grew
after 2 days, while, after 4 days, all fungal isolates were showed initial
growth and between 6-10 days all fungal isolates were showed
Approached growth compared with control. The aim of this research is
provide detailed information for five fungal species "researchers often do their research" about the effect of some factors on the growth of
fungus. | | Keywords : | | | Fungi, pH, Temperature, Incubation period. |
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