Conidia production by <Emphasis Type="Italic">Beauveria bassiana</Emphasis> (for the biocontrol of a diamondback moth) during solid-state fermentation in a packed-bed bioreactor |
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| Authors: | SW?Kang SH?Lee CS?Yoon Email author" target="_blank">SW?KimEmail author |
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| Institution: | (1) Applied Rheology Center, Korea University, Korea;(2) Research Institute of Engineering and Technology, Korea University, Korea;(3) Department of Chemical and Biological Engineering, Korea University, 1, Anam-dong, Sungbuk-ku, Seoul, 136-701, Korea |
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| Abstract: | Conidia of Beauveria bassiana CS-1, which have the potential for the control of the diamondback moth (Plutella xylostella), were produced by solid-state fermentation (SSF) using a packed-bed bioreactor with rice straw and wheat bran. As the packing density and the bed height were increased, the production of conidia decreased. In a packed-bed bioreactor under no aeration and no addition of polypropylene (PP) foam (control), the total average of conidia was 4.9 × 108 g-1. The production of conidia was affected more by the addition of PP foam as an inert support than forced aeration and was approx. 23 times higher than that of the control. The total average of conidia produced by B. bassiana was 1.1–1.2 × 1010 g-1 .
Revisions requested 6 September 2004/2 November 2004; Revisions received 1 November 2004/8 December 2004 |
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| Keywords: | Beauveria bassiana packed-bed bioreactor polypropylene foam solid-state fermentation |
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