Genome sequence of Ensifer meliloti strain WSM1022; a highly effective microsymbiont of the model legume Medicago truncatula A17

Table 2. Nodulation and N₂ fixation properties of E. meliloti WSM1022 on selected Medicago spp. Data compiled from [7,11]^†

Species Name	Cultivar or Accession	Growth Habit	Nodulation	N₂ fixation	Comment
M. truncatula	A17	Annual	Nod⁺	Fix⁺	Highly effective
M. truncatula	Jemalong	Annual	Nod⁺	Fix⁺	Highly effective
M. truncatula	Caliph	Annual	Nod⁺	Fix⁺	Highly effective
M. littoralis	Harbinger	Annual	Nod⁺	Fix⁺	Highly effective
M. tornata	Tornafield	Annual	Nod⁺	Fix⁺	Highly effective
M. sphaerocarpos	Orion	Annual	Nod⁺	Fix⁺	Poorly effective
M. arabica	SA36043	Annual	Nod⁺	Fix⁻	No fixation
M. polymorpha	Santiago	Annual	Nod⁺	Fix⁻	No fixation
M. murex	Zodiac	Annual	Nod⁻	Fix⁻	No nodulation
M. sativa	Sceptre	Perennial	Nod⁺	Fix⁺	Highly effective

^†Note that ‘+’ and ‘−’ denote presence or absence, respectively, of nodulation (Nod) or N₂ fixation (Fix).

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