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Interrelationship betweenCoprinus lagopus andFusarium udum in soil in relation to competitive saprophytic ability and microbial antagonism

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The interrelationship between the growth ofCoprinus lagopus andFusarium udum on pigeon pea substrates in soil was studied at 22-2°C and 30±2°C in relation to their competitive saprophytic ability and antagonism.C. lagopus was observed to be a potent and frequent colonizer of pigeon pea substrates in soil along withF. udum. Saprophytic colonization of pigeon pea substrate byF. udum precolonized byC. lagopus was inhibited in all inoculum soil mixtures. Saprophytic colonization of the substrate byF. udum was better at 22°C than at 30°C and that byC. lagopus better at 30°C than at 22°C. The colonization of substrate by each fungus was suppressed by the other fungus depending upon the temperature used. Hyphal parasitism and colony interactions between these fungi and also with a number of other saprophytic fungi were investigated. No antagonistic reaction was observed betweenF. udum andC. lagopus. However, these fungi were observed to be potent antagonists against other microfungi tested. The formation of fruiting bodies ofC. lagopus was also observed in the laboratory on nutrient media but more frequently on pigeon pea substrates.

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Authors and Affiliations

  1. Department of Botany, Banaras Hindu University, 221005, Varanasi, India

    R. S. Upadhyay & Bharat Rai

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  1. R. S. Upadhyay
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  2. Bharat Rai
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Upadhyay, R.S., Rai, B. Interrelationship betweenCoprinus lagopus andFusarium udum in soil in relation to competitive saprophytic ability and microbial antagonism. Plant Soil 56, 169–173 (1980). https://doi.org/10.1007/BF02197966

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  • DOI: https://doi.org/10.1007/BF02197966

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