Table 2.

Staining of colonized roots with trypan blue (standard method) or with black ink (Shaeffer)

Plant% of roots stained witha:
Trypan blueInk
Wheat43 ± 345 ± 5
Bean60 ± 658 ± 3
Cucumber35 ± 437 ± 6
  • a Means (± standard errors) of root samples from five replicate plants per species and treatment.