Detection of an arbuscular mycorrhizal fungus in roots of different plant species with the PCR

PCR was used with the primer pair VANS1-NS21 to detect the arbuscular mycorrhizal fungus Glomus intraradices (commercial inoculum source) on roots of lettuce, zinnia, leek, pepper, and endive plants. The appropriate amplification product was obtained directly from roots without DNA extraction and purification.

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