Question:

A segment of nematode species differing from the rest of the species in some physiological characteristic such as pathogenicity is called:

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Nematode biotypes can develop resistance to host plants, making management challenging.
  • Biotype
  • Pathotype
  • Race
  • Pathovar
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The Correct Option is A

Solution and Explanation


Biotype:
Population with distinct biological characteristics
Same morphology but different physiology (e.g., virulence)
Other terms:
Pathotype: Subclassification based on pathogenicity
Race: Often used for fungi
Pathovar: Bacterial subspecies
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