Cost-effective multiplication of the entomopathogenic fungus Nomuraea rileyi (F) Samson |
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Authors: | Vimala Devi P.S. Chowdary Anitha Prasad Y.G. |
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Affiliation: | (1) Directorate of Oilseeds Research, 500 030 Rajendranagar, Hyderabad, India;(2) Central Research Institute for Dryland Agriculture, Santoshnagar, Hyderabad, 500 059, India |
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Abstract: | Cost-effective and rapid multiplication of Nomuraea rileyi is reported. The spore yields in semi-synthetic media were comparable or significantly higher to the standard medium. Maltose and peptone, carbon and nitrogen sources could be effectively replaced with 2% barley extract and 1% soybean extract respectively. However, replacement of yeast extract with dry yeast resulted in lower spore yields. Sporulation of the fungus multiplied on solid substrate was possible only when the bags used had a 0.2 m filter to facilitate passive exchange of sterile air. A high spore yield of 2.8 × 109/g of substrate was realized on crushed sorghum.This revised version was published online in October 2005 with corrections to the Cover Date. |
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Keywords: | cost-effective isolates media Nomuraea rileyi Spodoptera litura |
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