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Fusarium moniliforme wasable to grow in the presence of different concentrations of sodium tellurite (0.1-2.0) but at 3.0% (w/v) the fungus morphology was completely distorted. Growth of the fungus was decreased greatly by the increase of metals concentrations. Dark colour colony and black reverse were formed in the presence of tellurite. The fungal biomass was slightly stimulated. The presence of tellurium in the growth medium increased the cellular contents of carbohydrates, proteins and lipids. Moreover, the presence of tellurium induced the biosynthesis of several types of low molecular weight proteins. Total phospholipids were decreased with increasing tellurium concentrations.
In this study, evaluation of the nematophagous fungi Pochonia chlamydosporia, Paecilomyces lilacinus and Arthrobotrys dactyloide as biological control agents for Meloidogyne incognita was investigated under greenhouse conditions. Experiments confirmed the effectiveness of these predatory and parasitic fungi that actively reduced the number of infective larvae of M. incognita. The killing effect of these fungi is similar to the synthetic chemical nematicide Furadan and significantly better than the commercial preparation of bioagent Nameless®. The fungi under consideration have the potentiality to reduce population density of M. incognita along the growing season of faba bean plant to 95.4 to 98.9%. These nematophagous fungi enhanced shoot and root growth of Faba bean.