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Table 4 Percent nodule occupancy by different IGS types in 9 cowpea genotypes grown in Ghana, Botswana and South Africa

From: Symbiotic functioning and bradyrhizobial biodiversity of cowpea (Vigna unguiculataL. Walp.) in Africa

  Percent nodule occupancy per cowpea variety
IGS Type Omondaw IT82D-889 Bechuana white Glenda ITH98-46 Brown eye Mamlaka Fahari Apagbaala
I 33.3 0 0 0 0 0 0 0 0
II 44.4 0 15.8 0 0 0 0 0 0
III 0 28 0 16 68.2 83.3 15.8 13.3 28.6
IV 0 11 0 0 0 0 0 0 0
V 0 25 57.9 36 26.3 16.7 5.3 6.7 28.6
VI 0 0 0 8 0 0 0 6.7 0
VII 11.1 4 10.5 4 0 0 0 0 0
VIII 11.2 32 15.8 0 5.5 0 78.9 46.6 16.6
IX 0 0 0 16 0 0 0 0 0
X 0 0 0 4 0 0 0 0 0
XI 0 0 0 4 0 0 0 0 0
XII 0 0 0 4 0 0 0 0 0
XIII 0 0 0 0 0 0 0 13.3 16.6
XIV 0 0 0 0 0 0 0 0 4.8
XV 0 0 0 0 0 0 0 6.7 0
XVI 0 0 0 0 0 0 0 6.7 0
XVII 0 0 0 8 0 0 0 0 0
XVIII 0 0 0 0 0 0 0 0 4.8
  1. Values (Mean ± SE) with dissimilar letters in a column are statistically significant at p ≤ 0.001 (***); p ≤ 0.01 (**)