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[Microorganisms growing on the inner surfaces of prefabricated houses and their control]
1Ankara Universitesi, Ziraat Fakültesi, Fitopatoloji Anabilim Dah Araştirma Görevlisi.
Abstract:
Microorganisms which isolated from the plasters of prefabricated houses, constructed by Yübetaş company in Oran Ankara Were examined. As a result of isolations, Alternaria, Penicillium and Stemphylium species of fungi were founded on the plasters. The growth of the fungi was tested on Agrisan megess and Dyo Sadosan make plastic wall paints and it was found that these fungi showed a profuse growth in the former make paint, but not in the second one. When mancozeb (Dithan-M-45) in 0.2% and copper oxychloride (Mavi Bakir Sandoz) in 0.5% were added to the plaster the growth of the fungi were completely prevented, but Wettable powder sulfur in 0.4% did not prevent their growth but stimulated it.
Insights
Fungi like Alternaria, Penicillium, and Stemphylium were found on prefabricated house plasters. Specific fungicides, mancozeb and copper oxychloride, effectively prevented fungal growth on paints, while sulfur stimulated it.
Area of Science:
- Mycology
- Building Science
- Material Science
Context:
- Microorganisms, specifically fungi, were isolated from plasters of prefabricated houses.
- The study focused on fungal presence in building materials within a specific construction context (Yübetaş company, Oran Ankara).
Purpose:
- To identify fungal species colonizing prefabricated house plasters.
- To evaluate the efficacy of different plastic wall paints in inhibiting fungal growth.
- To assess the impact of specific fungicides (mancozeb, copper oxychloride, wettable powder sulfur) on fungal proliferation on plasters.
Summary:
- Alternaria, Penicillium, and Stemphylium species were identified on house plasters.
- Fungal growth was profuse on one type of plastic wall paint (Agrisan megess) but inhibited on another (Dyo Sadosan).
- Incorporating mancozeb (0.2%) or copper oxychloride (0.5%) into plaster completely prevented fungal growth.
- Wettable powder sulfur (0.4%) did not inhibit but rather stimulated fungal growth.
Impact:
- Identifies specific fungi posing a risk to prefabricated building materials.
- Provides data on the antifungal properties of different paint formulations.
- Demonstrates the effectiveness of mancozeb and copper oxychloride as preventative agents against plaster fungi.
- Highlights the potential adverse effect of wettable powder sulfur in such applications.