The most thoroughly studied of the known bacteria-plant interactions is the:

The most thoroughly studied of the known bacteria-plant interactions is the:
  1. cyanobacterial symbiosis with some aquatic ferns
  2. gall formation on certain angiosperms by Agrobacterium
  3. nodulation of Sesbania stems by nitrogen fixing bacteria
  4. plant growth stimulation by phosphate-solubilising bacteria.

Solution

The Agrobacterium crown gall phenomenon is extensively used as natural genetic engineer in plant genetic engineering.

Asked in: NEET 2004

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