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| Titel: |
Evaluation of the desiccation tolerance of blastospores of Paecilomyces fumosoroseus (Deuteromycotina: Hyphomycetes) using a lab-scale, air-drying chamber with controlled relative humidity |
| Auteur: |
Jackson, Mark A. Payne, Angela R. |
| Verschenen in: |
Biocontrol science and technology |
| Paginering: | Jaargang 17 (2007) nr. 7 pagina's 709-719 |
| Jaar: |
2007 |
| Inhoud: |
The stabilization of living microbial agents for use as biological control agents is often accomplished through desiccation. Our air-drying studies with the entomopathogenic fungus Paecilomyces fumosoroseus have shown that the relative humidity (RH) of the drying air significantly affects the desiccation tolerance and the storage stability of blastospores. Drying air with a RH of more than 40% supported significantly higher rates of initial blastospore survival (68-82%) after drying compared to drying with lower relative humidity air. Drying air with a RH above 50% improved the shelf-life of the air-dried blastospore preparations. Adjustment of the pH or replacement of the spent medium with deionized water (d-H2O) in the blastospore suspension had no significant impact on blastospore desiccation tolerance or storage stability. We have developed and describe a lab-scale, air-drying chamber that delivers air flow over the sample and that can be operated at controlled relative humidity. |
| Uitgever: |
Taylor & Francis |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
Details van artikel 4 van 11 gevonden artikelen
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