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Degradation and mineralization of wheat straw by some cellulolytic fungi in pure cultures


Microbiological Research 149(2): 157-161
Degradation and mineralization of wheat straw by some cellulolytic fungi in pure cultures
Decomposition and mineralization of wheat straw inoculated with 8 cellulolytic fungi was investigated in sand culture. Aspergillus fumigatus and Stachybotrys chartarum showed a great potential to degrade wheat straw and weight loss of straw was 35.3 and 27.5% of initial weight after 63 days incubation, respectively. CO-2 production was highest after 7 and 14 days for all tested fungi suggesting that the main contribution to CO-2 production arose from the water-soluble fraction which was decomposed rapidly. Carbon solubilization from wheat straw occurred, to some extent, in a manner similar to that of straw decomposition. Also, S. chartarum and A. fumigatus solubilized considerable amounts of straw Nitrogen but Gibberella fujikuroi was the best nitrogen dissolving organism.

Accession: 002590000

DOI: 10.1016/S0944-5013(11)80112-6

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