Fig. 7
Expression of genes encoding nodule inception (a), leghemoglobin (b) and glutamine synthetase (c) in four alfalfa cultivars when compared with the uninoculated control. Expression levels were expressed as the Log2(fold change) of DEGs. G9,M. sativacv. Gannong No. 9; G3,M. sativacv. Gannong No. 3; Q,M. sativacv. Qingshui; L,M. sativacv. Longzhong