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  1. Stem Nematode, The: A Pest in Agriculture (1979 Film, Video)

    Director
    Chris C Doncaster
    Subject
    Agriculture; Biology
    Distribution
    Film (16mm)

    The stem nematode ‘Ditylenchus dipsaci’ causes serious yield losses in temperate regions. Being resistant to drought it is often distributed on seed. Control with chemicals is expensive, but the use of...

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