Trial Release Microorganisms Associated with Plants

5.1 What is the target species of plant?

Solanum tuberosum (potatoes).

5.2 Is the organism able to establish itself on/in nontarget species in the surrounding environment?

Not known, but possibly.

5.3 To what extent does the organism survive and reproduce on/in:

5.3.1 The target plant?

The GMO is a common pathogen of potatoes and survives effectively in potato fields. However, it decreases to nonpathogenic levels if the fields are not planted with potatoes for two to three years.

5.3.2 The rhizosphere of the target plant species?

5.3.3 Other plant species in the test site?

There will be no other plants in the release area.

5.3.4 And surrounding environment?

Not known.

5.4 What characteristics do you intend to impart to the target plant species?


5.5 Can these characteristics be imparted to nontarget plant species, especially those in the surrounding environment?

5.6 In the case of soil organisms, what are the likely effects on organisms in the test area that are known to be beneficial to plants (e.g., Rhizobium, Frankia, and mycorrhizal fungi)?

Ralstonia is not a dominant species unless potatoes are growing in the soil. While DNA can transfer between soil organisms, the genes are already endemic to most soils.

5.7 In the case of soil organisms, what are the effects expected on soil chemistry (e.g., pH, mineral leaching, chelation, nutrient levels)?


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