Assertion: nodule | /r/HasProperty | long 1996
Facets:
Source sentences:
text: The key event in nodule formation is the synthesis and release by the bacteria of small molecules that are detected by the plant and that trigger the formation of the nodule (Long 1996; Downie 1998; Hadri and Bisseling 1998; Cullimore et al. 2001; Geurts and Bisseling 2002).