3.2. Root Dipping (F668 only)
At the 2 month sampling period radicle treatment with isolate F668 appeared to enable its. Establishment as an endophyte in boththe MC and Xan carriers B. Bassiana was isolated from 12 and five samples treated with. F668 MC and, F668 Xan respectively. For seedlings treated with F668, in MC four isolations
.Were from a single seedling (all samples except sterile needles),
while three samples (soil and unwashed and washed roots). Were
made from another seedling. Twice two isolations, were made
from a single tree (soil and washed roots; washed and sterile
roots).? At 4 months B. Bassiana was isolated eight times from
F668 MC treatments. Three isolations were from a single, seedling
(soilWashed and sterile roots), two isolations from another seedling (soil and washed roots), with the remaining three isolations
from. The soils of the three remaining seedlings. At, this time six
separate isolations were made from three individual seedlings
treated. With F668 Xan. B. Bassiana was isolated from, the soil unwashed
and washed roots associated with, one seedling and from
.Soil and the sterile roots of another seedling. Single isolations were
made from three seedlings (soil washed roots, and. Sterile roots). B.
bassiana was not isolated from any soil samples from the F668 MC
or Xan treatments at 9 months.
, B. Bassiana was isolated from three control MC treatment samples
as follows: one sterilised root sample (2 months), one washed
.Root sample (9 months) and a single soil sample (2 months). B. Bassiana
was not isolated from any other control samples.
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