To control grass grubs biologically, a natural enemy or disease is artificially cultivated and introduced into the soil. This pasture soil has been drilled with the bacterium Serratia entomophila. The grub on the right has become infected with amber disease and will soon die, while the grub on the left is unaffected.
Te whakamahi i tēnei tūemi
Natural Sciences Image Library of New Zealand
Reference:
DSCH8036Smd
Photograph by Peter E. Smith
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